{"id":2200,"date":"2026-05-30T02:17:19","date_gmt":"2026-05-30T02:17:19","guid":{"rendered":"https:\/\/trieuminh.com\/?p=2200"},"modified":"2026-05-30T02:21:13","modified_gmt":"2026-05-30T02:21:13","slug":"bien-phap-thi-cong-he-thong-am-thanh-thong-bao","status":"publish","type":"post","link":"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/","title":{"rendered":"BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O (PA)"},"content":{"rendered":"<h1><span class=\"ez-toc-section\" id=\"BIEN_PHAP_THI_CONG_HE_THONG_AM_THANH_THONG_BAO_PA\"><\/span>BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O (PA)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"1_Gioi_thieu_ve_he_thong_am_thanh_thong_bao\"><\/span>1. Gi\u1edbi thi\u1ec7u v\u1ec1 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o (Public Address System \u2013 PA) l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 (ELV) quan tr\u1ecdng trong c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i nh\u01b0 trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, cao \u1ed1c v\u0103n ph\u00f2ng, kh\u00e1ch s\u1ea1n, b\u1ec7nh vi\u1ec7n, tr\u01b0\u1eddng h\u1ecdc, nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t v\u00e0 khu c\u00f4ng nghi\u1ec7p. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m truy\u1ec1n t\u1ea3i c\u00e1c b\u1ea3n tin th\u00f4ng b\u00e1o, ph\u00e1t nh\u1ea1c n\u1ec1n v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00e1t c\u00e1c th\u00f4ng \u0111i\u1ec7p kh\u1ea9n c\u1ea5p ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c s\u01a1 t\u00e1n khi x\u1ea3y ra s\u1ef1 c\u1ed1 ch\u00e1y n\u1ed5 ho\u1eb7c c\u00e1c t\u00ecnh hu\u1ed1ng nguy hi\u1ec3m kh\u00e1c.<\/p>\n<p>Trong c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i, h\u1ec7 th\u1ed1ng PA th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 (BMS), h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t an ninh v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m kh\u00e1c. Nh\u1edd kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh \u0111\u1ed3ng b\u1ed9, h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o g\u00f3p ph\u1ea7n n\u00e2ng cao m\u1ee9c \u0111\u1ed9 an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f4ng tr\u00ecnh \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd v\u00e0 v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#BIEN_PHAP_THI_CONG_HE_THONG_AM_THANH_THONG_BAO_PA\" >BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O (PA)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#1_Gioi_thieu_ve_he_thong_am_thanh_thong_bao\" >1. Gi\u1edbi thi\u1ec7u v\u1ec1 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#2_Muc_dich_cua_bien_phap_thi_cong\" >2. M\u1ee5c \u0111\u00edch c\u1ee7a bi\u1ec7n ph\u00e1p thi c\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#3_Pham_vi_cong_viec\" >3. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#4_Tieu_chuan_va_tai_lieu_ap_dung\" >4. Ti\u00eau chu\u1ea9n v\u00e0 t\u00e0i li\u1ec7u \u00e1p d\u1ee5ng<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#41_Ho_so_ky_thuat_ap_dung\" >4.1 H\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#42_Tieu_chuan_ky_thuat_ap_dung\" >4.2 Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#5_Cong_tac_chuan_bi_truoc_khi_thi_cong\" >5. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#51_Nghien_cuu_ho_so_thiet_ke\" >5.1 Nghi\u00ean c\u1ee9u h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#52_Khao_sat_hien_truong\" >5.2 Kh\u1ea3o s\u00e1t hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#53_Chuan_bi_vat_tu_va_thiet_bi\" >5.3 Chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 v\u00e0 thi\u1ebft b\u1ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#54_Chuan_bi_nhan_luc\" >5.4 Chu\u1ea9n b\u1ecb nh\u00e2n l\u1ef1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#6_Vat_tu_thiet_bi_lap_dat_he_thong_loa_thong_bao\" >6. V\u1eadt t\u01b0, thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng loa th\u00f4ng b\u00e1o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#61_Thiet_bi_trung_tam\" >6.1 Thi\u1ebft b\u1ecb trung t\u00e2m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#62_He_thong_loa_thong_bao\" >6.2 H\u1ec7 th\u1ed1ng loa th\u00f4ng b\u00e1o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#63_Cap_tin_hieu_am_thanh\" >6.3 C\u00e1p t\u00edn hi\u1ec7u \u00e2m thanh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#7_May_moc_va_dung_cu_thi_cong\" >7. M\u00e1y m\u00f3c v\u00e0 d\u1ee5ng c\u1ee5 thi c\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#8_Quy_trinh_thi_cong_he_thong_am_thanh_thong_bao\" >8. Quy tr\u00ecnh thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#81_Dinh_vi_vi_tri_lap_dat\" >8.1 \u0110\u1ecbnh v\u1ecb v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#82_Lap_dat_he_thong_ong_luon_day\" >8.2 L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#83_Thong_ong_va_moi_day\" >8.3 Th\u00f4ng \u1ed1ng v\u00e0 m\u1ed3i d\u00e2y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#84_Keo_cap_tin_hieu_am_thanh\" >8.4 K\u00e9o c\u00e1p t\u00edn hi\u1ec7u \u00e2m thanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#85_Kiem_tra_tuyen_cap_sau_khi_keo\" >8.5 Ki\u1ec3m tra tuy\u1ebfn c\u00e1p sau khi k\u00e9o<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#9_Lap_dat_tu_rack_trung_tam_cho_he_thong_am_thanh_thong_bao\" >9. L\u1eafp \u0111\u1eb7t t\u1ee7 rack trung t\u00e2m cho h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#91_Dinh_vi_va_co_dinh_tu_rack\" >9.1 \u0110\u1ecbnh v\u1ecb v\u00e0 c\u1ed1 \u0111\u1ecbnh t\u1ee7 rack<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#92_Lap_dat_thiet_bi_ben_trong_tu_rack\" >9.2 L\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb b\u00ean trong t\u1ee7 rack<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#93_Quan_ly_day_dan_trong_tu_rack\" >9.3 Qu\u1ea3n l\u00fd d\u00e2y d\u1eabn trong t\u1ee7 rack<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#94_Tiep_dia_va_chong_set\" >9.4 Ti\u1ebfp \u0111\u1ecba v\u00e0 ch\u1ed1ng s\u00e9t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#10_Lap_dat_dau_noi_he_thong_am_thanh_thong_bao\" >10. L\u1eafp \u0111\u1eb7t, \u0111\u1ea5u n\u1ed1i h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#101_Lap_dat_loa_am_tran\" >10.1 L\u1eafp \u0111\u1eb7t loa \u00e2m tr\u1ea7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#102_Lap_dat_loa_treo_tuong\" >10.2 L\u1eafp \u0111\u1eb7t loa treo t\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#103_Lap_dat_loa_cot_va_loa_nen\" >10.3 L\u1eafp \u0111\u1eb7t loa c\u1ed9t v\u00e0 loa n\u00e9n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#104_Dau_noi_loa\" >10.4 \u0110\u1ea5u n\u1ed1i loa<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#11_Cau_hinh_he_thong_am_thanh_thong_bao\" >11. C\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#111_Thiet_lap_vung_thong_bao\" >11.1 Thi\u1ebft l\u1eadp v\u00f9ng th\u00f4ng b\u00e1o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#112_Thiet_lap_nguon_phat_am_thanh\" >11.2 Thi\u1ebft l\u1eadp ngu\u1ed3n ph\u00e1t \u00e2m thanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#113_Tich_hop_voi_he_thong_bao_chay\" >11.3 T\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#12Kiem_tra_va_nghiem_thu\" >12.Ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#121_Kiem_tra_vat_tu_dau_vao\" >12.1 Ki\u1ec3m tra v\u1eadt t\u01b0 \u0111\u1ea7u v\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#123_Do_kiem_ky_thuat\" >12.3 \u0110o ki\u1ec3m k\u1ef9 thu\u1eadt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#14_Ket_luan\" >14. K\u1ebft lu\u1eadn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#TAI_FILE_BIEN_PHAP_THI_CONG_HE_THONG_AM_THANH_THONG_BAO\" >T\u1ea2I FILE BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#BIEN_PHAP_THI_CONG_HE_THONG_PA\" >BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG PA<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#TAI_FILE_BANG_TINH_HE_THONG_AM_THANH_THONG_BAO\" >T\u1ea2I FILE B\u1ea2NG T\u00cdNH H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#BANG_TINH_HE_THONG_AM_THANH_THONG_BAO\" >B\u1ea2NG T\u00cdNH H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-am-thanh-thong-bao\/#9_Lien_He\" >9. Li\u00ean H\u1ec7<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Do \u0111\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00f4ng t\u00e1c truy\u1ec1n th\u00f4ng tin v\u00e0 an to\u00e0n c\u1ee7a t\u00f2a nh\u00e0 n\u00ean qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo \u0111\u00fang h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u00e0 y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Vi\u1ec7c thi c\u00f4ng \u0111\u00fang quy tr\u00ecnh kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh m\u00e0 c\u00f2n gi\u00fap h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, h\u1ea1n ch\u1ebf s\u1ef1 c\u1ed1 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<p><em><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2204\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/PA-system.jpg\" alt=\"\" width=\"735\" height=\"321\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/PA-system.jpg 710w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/PA-system-18x8.jpg 18w\" sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/em><\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"2_Muc_dich_cua_bien_phap_thi_cong\"><\/span>2. M\u1ee5c \u0111\u00edch c\u1ee7a bi\u1ec7n ph\u00e1p thi c\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Bi\u1ec7n ph\u00e1p thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u0111\u01b0\u1ee3c l\u1eadp nh\u1eb1m m\u00f4 t\u1ea3 chi ti\u1ebft quy tr\u00ecnh thi c\u00f4ng, l\u1eafp \u0111\u1eb7t, \u0111\u1ea5u n\u1ed1i, ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu h\u1ec7 th\u1ed1ng PA t\u1ea1i c\u00f4ng tr\u00ecnh. \u0110\u00e2y l\u00e0 t\u00e0i li\u1ec7u l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 c\u00e1c b\u00ean tham gia d\u1ef1 \u00e1n th\u1ed1ng nh\u1ea5t ph\u01b0\u01a1ng ph\u00e1p tri\u1ec3n khai v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n<p>Vi\u1ec7c l\u1eadp bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00f2n nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ee5c ti\u00eau quan tr\u1ecdng nh\u01b0 tu\u00e2n th\u1ee7 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n, \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng, n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t v\u00e0 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c r\u1ee7i ro v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00f2n l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c nghi\u1ec7m thu, b\u00e0n giao v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng sau khi ho\u00e0n th\u00e0nh.<\/p>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"3_Pham_vi_cong_viec\"><\/span>3. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Bi\u1ec7n ph\u00e1p thi c\u00f4ng n\u00e0y \u00e1p d\u1ee5ng cho to\u00e0n b\u1ed9 c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o trong ph\u1ea1m vi d\u1ef1 \u00e1n, bao g\u1ed3m c\u00e1c h\u1ea1ng m\u1ee5c t\u1eeb chu\u1ea9n b\u1ecb v\u1eadt t\u01b0, l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y, k\u00e9o c\u00e1p t\u00edn hi\u1ec7u, l\u1eafp \u0111\u1eb7t loa, l\u1eafp \u0111\u1eb7t t\u1ee7 rack, \u0111\u1ea5u n\u1ed1i thi\u1ebft b\u1ecb, c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m cho \u0111\u1ebfn c\u00f4ng t\u00e1c ch\u1ea1y th\u1eed v\u00e0 nghi\u1ec7m thu b\u00e0n giao.<\/p>\n<p>C\u00e1c c\u00f4ng vi\u1ec7c ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li>Kh\u1ea3o s\u00e1t hi\u1ec7n tr\u01b0\u1eddng v\u00e0 nghi\u00ean c\u1ee9u h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/li>\n<li>Chu\u1ea9n b\u1ecb v\u1eadt t\u01b0, thi\u1ebft b\u1ecb v\u00e0 nh\u00e2n l\u1ef1c thi c\u00f4ng.<\/li>\n<li>L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y v\u00e0 m\u00e1ng c\u00e1p ph\u1ee5c v\u1ee5 tuy\u1ebfn c\u00e1p \u00e2m thanh.<\/li>\n<li>K\u00e9o c\u00e1p t\u00edn hi\u1ec7u v\u00e0 \u0111\u00e1nh d\u1ea5u nh\u1eadn d\u1ea1ng h\u1ec7 th\u1ed1ng.<\/li>\n<li>L\u1eafp \u0111\u1eb7t loa \u00e2m tr\u1ea7n, loa treo t\u01b0\u1eddng, loa c\u1ed9t ho\u1eb7c c\u00e1c ch\u1ee7ng lo\u1ea1i loa kh\u00e1c theo thi\u1ebft k\u1ebf.<\/li>\n<li>L\u1eafp \u0111\u1eb7t b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, micro g\u1ecdi v\u00f9ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li>\u0110\u1ea5u n\u1ed1i t\u00edn hi\u1ec7u, c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng v\u00e0 t\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y.<\/li>\n<li>Th\u1ef1c hi\u1ec7n \u0111o ki\u1ec3m, ch\u1ea1y th\u1eed, nghi\u1ec7m thu v\u00e0 b\u00e0n giao h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"4_Tieu_chuan_va_tai_lieu_ap_dung\"><\/span>4. Ti\u00eau chu\u1ea9n v\u00e0 t\u00e0i li\u1ec7u \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>To\u00e0n b\u1ed9 c\u00f4ng t\u00e1c thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"41_Ho_so_ky_thuat_ap_dung\"><\/span>4.1 H\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng bao g\u1ed3m b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt, b\u1ea3n v\u1ebd shop drawing, catalogue thi\u1ebft b\u1ecb, h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, c\u00e1c bi\u1ec7n ph\u00e1p thi c\u00f4ng li\u00ean quan v\u00e0 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ea7u t\u01b0 ph\u00ea duy\u1ec7t.<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t, th\u1ed1ng nh\u1ea5t v\u00e0 ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi tri\u1ec3n khai th\u1ef1c hi\u1ec7n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"42_Tieu_chuan_ky_thuat_ap_dung\"><\/span>4.2 Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f4ng t\u00e1c thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 ti\u00eau chu\u1ea9n Vi\u1ec7t Nam hi\u1ec7n h\u00e0nh nh\u01b0 ti\u00eau chu\u1ea9n IEC v\u1ec1 thi\u1ebft b\u1ecb \u00e2m thanh, ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y cho c\u00e1p \u0111i\u1ec7n, ti\u00eau chu\u1ea9n v\u1ec1 h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng, ti\u00eau chu\u1ea9n l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n trong c\u00f4ng tr\u00ecnh v\u00e0 c\u00e1c quy chu\u1ea9n an to\u00e0n ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/p>\n<p>Vi\u1ec7c tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng, \u0111\u1ed9 an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i.<\/p>\n<ul data-spread=\"false\">\n<li>IEC 60268 \u2013 Sound System Equipment.<\/li>\n<li>IEC 60332 \u2013 Ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y c\u00e1p.<\/li>\n<li>TCVN 9206 \u2013 Thi\u1ebft b\u1ecb \u0111i\u1ec7n trong c\u00f4ng tr\u00ecnh.<\/li>\n<li>TCVN 5738 \u2013 H\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y t\u1ef1 \u0111\u1ed9ng.<\/li>\n<li>QCVN 06 v\u1ec1 an to\u00e0n ch\u00e1y cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh.<\/li>\n<li>Quy \u0111\u1ecbnh nghi\u1ec7m thu c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/li>\n<\/ul>\n<hr \/>\n<h1><span class=\"ez-toc-section\" id=\"5_Cong_tac_chuan_bi_truoc_khi_thi_cong\"><\/span>5. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"51_Nghien_cuu_ho_so_thiet_ke\"><\/span>5.1 Nghi\u00ean c\u1ee9u h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u01b0\u1edbc khi tri\u1ec3n khai thi c\u00f4ng, k\u1ef9 s\u01b0 ph\u1ee5 tr\u00e1ch ph\u1ea3i nghi\u00ean c\u1ee9u to\u00e0n b\u1ed9 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t nh\u1eb1m hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, ph\u1ea1m vi ph\u1ee5c v\u1ee5 c\u1ee7a t\u1eebng v\u00f9ng loa, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb v\u00e0 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt li\u00ean quan.<\/p>\n<p>\u0110\u1eb7c bi\u1ec7t c\u1ea7n ki\u1ec3m tra k\u1ef9 s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd, s\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb, m\u1eb7t b\u1eb1ng b\u1ed1 tr\u00ed loa v\u00e0 s\u01a1 \u0111\u1ed3 li\u00ean \u0111\u1ed9ng v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y nh\u1eb1m tr\u00e1nh c\u00e1c sai s\u00f3t trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"52_Khao_sat_hien_truong\"><\/span>5.2 Kh\u1ea3o s\u00e1t hi\u1ec7n tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi nghi\u00ean c\u1ee9u h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t th\u1ef1c t\u1ebf t\u1ea1i c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng. C\u00f4ng t\u00e1c kh\u1ea3o s\u00e1t gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 cao \u0111\u1ed9 tr\u1ea7n, k\u1ebft c\u1ea5u t\u01b0\u1eddng, v\u1ecb tr\u00ed \u0111\u1eb7t t\u1ee7 rack, tuy\u1ebfn \u0111i c\u00e1p v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ed1i h\u1ee3p v\u1edbi nh\u1eefng h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n kh\u00e1c.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t, c\u00e1c v\u1ecb tr\u00ed c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t sinh xung \u0111\u1ed9t v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c, h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y ho\u1eb7c h\u1ec7 th\u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c ghi nh\u1eadn v\u00e0 \u0111\u1ec1 xu\u1ea5t ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd ph\u00f9 h\u1ee3p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"53_Chuan_bi_vat_tu_va_thiet_bi\"><\/span>5.3 Chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 v\u00e0 thi\u1ebft b\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u1ea5t c\u1ea3 v\u1eadt t\u01b0 tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. Nh\u1eefng thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u00fang ch\u1ee7ng lo\u1ea1i ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u1eafp \u0111\u1eb7t.<\/p>\n<p>C\u00e1c v\u1eadt t\u01b0 ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o th\u01b0\u1eddng bao g\u1ed3m loa \u00e2m tr\u1ea7n, loa h\u1ed9p treo t\u01b0\u1eddng, loa c\u1ed9t, loa n\u00e9n ngo\u00e0i tr\u1eddi, b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, b\u1ed9 ch\u1ecdn v\u00f9ng, micro th\u00f4ng b\u00e1o, b\u1ed9 ngu\u1ed3n d\u1ef1 ph\u00f2ng, c\u00e1p t\u00edn hi\u1ec7u ch\u1ed1ng ch\u00e1y v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1ea5u n\u1ed1i chuy\u00ean d\u1ee5ng.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, nh\u00e0 th\u1ea7u c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c v\u1eadt t\u01b0 ph\u1ee5 nh\u01b0 ty ren, thanh \u0111\u1ee1, t\u1eafc k\u00ea th\u00e9p, \u0111ai treo, \u0111\u1ea7u cos, tem nh\u00e3n nh\u1eadn d\u1ea1ng v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n c\u01a1 kh\u00ed ph\u1ee5c v\u1ee5 qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"54_Chuan_bi_nhan_luc\"><\/span>5.4 Chu\u1ea9n b\u1ecb nh\u00e2n l\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed9i ng\u0169 thi c\u00f4ng ph\u1ea3i bao g\u1ed3m k\u1ef9 s\u01b0 gi\u00e1m s\u00e1t, k\u1ef9 thu\u1eadt vi\u00ean \u0111i\u1ec7n nh\u1eb9 v\u00e0 c\u00f4ng nh\u00e2n l\u00e0nh ngh\u1ec1 c\u00f3 kinh nghi\u1ec7m thi c\u00f4ng h\u1ec7 th\u1ed1ng PA. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn l\u1eadp tr\u00ecnh v\u00e0 c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng, ph\u1ea3i b\u1ed1 tr\u00ed k\u1ef9 s\u01b0 chuy\u00ean m\u00f4n c\u00f3 kinh nghi\u1ec7m th\u1ef1c hi\u1ec7n c\u00e1c h\u1ec7 th\u1ed1ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u thi c\u00f4ng, to\u00e0n b\u1ed9 nh\u00e2n s\u1ef1 ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn bi\u1ec7n ph\u00e1p thi c\u00f4ng, n\u1ed9i quy c\u00f4ng tr\u01b0\u1eddng v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh tri\u1ec3n khai di\u1ec5n ra an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"6_Vat_tu_thiet_bi_lap_dat_he_thong_loa_thong_bao\"><\/span>6. V\u1eadt t\u01b0, thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng loa th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt t\u01b0 v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. V\u00ec v\u1eady, t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9, ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 t\u00ecnh tr\u1ea1ng ngo\u1ea1i quan nh\u1eb1m \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"61_Thiet_bi_trung_tam\"><\/span>6.1 Thi\u1ebft b\u1ecb trung t\u00e2m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Thi\u1ebft b\u1ecb trung t\u00e2m \u0111\u00f3ng vai tr\u00f2 \u0111i\u1ec1u khi\u1ec3n to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o. \u0110\u00e2y l\u00e0 n\u01a1i ti\u1ebfp nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n ph\u00e1t kh\u00e1c nhau, x\u1eed l\u00fd t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ebfn t\u1eebng khu v\u1ef1c loa theo ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb trung t\u00e2m th\u01b0\u1eddng bao g\u1ed3m b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, b\u1ed9 ch\u1ecdn v\u00f9ng loa, b\u1ed9 ma tr\u1eadn \u00e2m thanh, b\u1ed9 ghi th\u00f4ng b\u00e1o t\u1ef1 \u0111\u1ed9ng, b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ngu\u1ed3n d\u1ef1 ph\u00f2ng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1eadp trung trong t\u1ee7 rack k\u1ef9 thu\u1eadt nh\u1eb1m thu\u1eadn ti\u1ec7n cho vi\u1ec7c v\u1eadn h\u00e0nh, ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec sau n\u00e0y.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 quy m\u00f4 l\u1edbn nh\u01b0 trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, s\u00e2n bay ho\u1eb7c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t, h\u1ec7 th\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nhi\u1ec1u b\u1ed9 khu\u1ebfch \u0111\u1ea1i ho\u1ea1t \u0111\u1ed9ng song song nh\u1eb1m t\u0103ng kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng khi x\u1ea3y ra s\u1ef1 c\u1ed1 c\u1ee5c b\u1ed9.<\/p>\n<ul>\n<li>Micro: d\u00f9ng \u0111\u1ec3 th\u00f4ng b\u00e1o kh\u1ea9n khi c\u00f3 ho\u1ea3 ho\u1ea1n ho\u1eb7c nh\u1eefng tin kh\u1ea9n \u0111\u1ebfn c\u00e1c khu v\u1ef1c c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li>B\u00e0n g\u1ecdi v\u00f9ng(Call station): \u00a0Micro \u0111i\u1ec7n \u0111\u1ed9ng \u0111\u1ed9 nh\u1ea1y cao d\u1ea1ng c\u1ed5 ng\u1ed7ng, ki\u1ec3u l\u1eafp \u0111\u1eb7t \u0111\u1ec3 tr\u00ean b\u00e0n, c\u00f3 n\u00fat ch\u1ecdn v\u00f9ng, c\u00e1c b\u00e0n g\u1ecdi \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau theo ki\u1ec3u v\u00f2ng loop b\u1eb1ng c\u00e1p m\u1ea1ng UTP Cat6 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i ph\u00f2ng b\u1ea3o v\u1ec7, qu\u1ea7y ti\u1ebfp t\u00e2n, ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n,d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n tin th\u00f4ng b\u00e1o \u0111\u1ebfn c\u00e1c khu v\u1ef1c c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li>B\u1ed9 ngu\u1ed3n + charger + batery 2h gian l\u01b0u tr\u1eef cho ph\u00e9p l\u00e0 2h d\u00f9ng khi m\u1ea5t ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh.<\/li>\n<li>B\u1ed9 ch\u1ecdn loa \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m 10 Zone,<\/li>\n<li>B\u1ed9 giao di\u1ec7n k\u1ebft n\u1ed1i &amp; \u0111\u1ecbnh tuy\u1ebfn 10 v\u00f9ng.<\/li>\n<li>B\u00e0n ph\u00edm ch\u1ecdn v\u00f9ng 80 zone<\/li>\n<li>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u Audio<\/li>\n<li>B\u1ed9 ma tr\u1eadn audio 4&#215;10 ng\u00f5 v\u00e0o<\/li>\n<li>B\u1ed9 ghi th\u00f4ng b\u00e1o k\u1ef9 thu\u1eadt s\u1ed1<\/li>\n<li>B\u1ed9 khuy\u1ebfch \u0111\u1ea1i 660W, 360W<\/li>\n<li>\u0110\u1ea7u DVD: d\u00f9ng \u0111\u1ec3 ph\u00e1t nh\u1ea1c n\u1ec1n gi\u1ea3i tr\u00ed cho to\u00e0 nh\u00e0, \u0111\u1ecdc \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i \u0111\u0129a DVD, VCD, CD, MP3 v\u00e0 ph\u00e1t \u0111\u01b0\u1ee3c \u0111\u00e0i AM, FM.<\/li>\n<li>V\u00f9ng m\u1edf r\u1ed9ng (router):d\u00f9ng \u0111\u1ec3 b\u1ed5 xung 6 v\u00f9ng loa th\u00f4ng b\u00e1o cho trung t\u00e2m \u0111i\u1ec1u khi\u1ec3nv\u00e0 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi 12 \u0111\u01b0\u1eddng k\u00edch v\u00e0o t\u1eeb h\u1ec7 th\u1ed1ng kh\u00e1c: nh\u01b0 b\u00e1o ch\u00e1y, b\u00e1o gi\u1edd&#8230;<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"62_He_thong_loa_thong_bao\"><\/span>6.2 H\u1ec7 th\u1ed1ng loa th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Loa l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i tr\u1ef1c ti\u1ebfp truy\u1ec1n t\u1ea3i n\u1ed9i dung th\u00f4ng b\u00e1o \u0111\u1ebfn ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f4ng tr\u00ecnh. T\u00f9y theo \u0111\u1eb7c \u0111i\u1ec3m t\u1eebng khu v\u1ef1c m\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i loa kh\u00e1c nhau nh\u1eb1m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 truy\u1ec1n \u00e2m t\u1ed1t nh\u1ea5t.<\/p>\n<p>Loa \u00e2m tr\u1ea7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u0103n ph\u00f2ng, h\u00e0nh lang, trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c c\u00e1c khu v\u1ef1c c\u00f3 tr\u1ea7n gi\u1ea3. Lo\u1ea1i loa n\u00e0y c\u00f3 \u01b0u \u0111i\u1ec3m th\u1ea9m m\u1ef9 cao, v\u00f9ng ph\u1ee7 \u00e2m \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u1edbi ki\u1ebfn tr\u00fac c\u00f4ng tr\u00ecnh.<\/p>\n<p>Loa h\u1ed9p treo t\u01b0\u1eddng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i khu v\u1ef1c nh\u00e0 x\u01b0\u1edfng, b\u00e3i xe ho\u1eb7c c\u00e1c kh\u00f4ng gian c\u00f3 chi\u1ec1u cao l\u1edbn. V\u1edbi thi\u1ebft k\u1ebf h\u01b0\u1edbng t\u00ednh t\u1ed1t, lo\u1ea1i loa n\u00e0y gi\u00fap n\u00e2ng cao kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i th\u00f4ng b\u00e1o trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u ti\u1ebfng \u1ed3n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi khu v\u1ef1c ngo\u00e0i tr\u1eddi ho\u1eb7c c\u00e1c khu v\u1ef1c c\u00f3 di\u1ec7n t\u00edch l\u1edbn, loa n\u00e9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng do c\u00f3 c\u00f4ng su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n \u00e2m \u0111i xa. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn cho s\u00e2n v\u1eadn \u0111\u1ed9ng, qu\u1ea3ng tr\u01b0\u1eddng, nh\u00e0 m\u00e1y ho\u1eb7c khu c\u00f4ng nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"63_Cap_tin_hieu_am_thanh\"><\/span>6.3 C\u00e1p t\u00edn hi\u1ec7u \u00e2m thanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1p t\u00edn hi\u1ec7u l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng gi\u00fap truy\u1ec1n t\u1ea3i t\u00edn hi\u1ec7u \u00e2m thanh t\u1eeb thi\u1ebft b\u1ecb trung t\u00e2m \u0111\u1ebfn h\u1ec7 th\u1ed1ng loa. To\u00e0n b\u1ed9 c\u00e1p s\u1eed d\u1ee5ng ph\u1ea3i l\u00e0 lo\u1ea1i ch\u1ed1ng nhi\u1ec5u, ch\u1ed1ng ch\u00e1y v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>Trong c\u00e1c c\u00f4ng tr\u00ecnh y\u00eau c\u1ea7u cao v\u1ec1 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, c\u00e1p \u00e2m thanh th\u01b0\u1eddng s\u1eed d\u1ee5ng lo\u1ea1i ch\u1ed1ng ch\u00e1y lan v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c th\u00f4ng b\u00e1o kh\u1ea9n c\u1ea5p v\u1eabn \u0111\u01b0\u1ee3c ph\u00e1t \u0111i khi x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n<p>Ngo\u00e0i c\u00e1p loa, h\u1ec7 th\u1ed1ng c\u00f2n s\u1eed d\u1ee5ng c\u00e1p m\u1ea1ng, c\u00e1p \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c lo\u1ea1i c\u00e1p t\u00edn hi\u1ec7u chuy\u00ean d\u1ee5ng ph\u1ee5c v\u1ee5 cho vi\u1ec7c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 h\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p kh\u00e1c.<\/p>\n<ul>\n<li>C\u00e1p nh\u00e1nh t\u00edn hi\u1ec7u \u00e2m thanh (2C-1.0mm2) &#8211; ch\u1ed1ng nhi\u1ec5u; C\u00e1p tr\u1ee5c t\u00edn hi\u1ec7u \u00e2m thanh 2C-1.5mm2 &#8211; ch\u1ed1ng nhi\u1ec5u.<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"7_May_moc_va_dung_cu_thi_cong\"><\/span>7. M\u00e1y m\u00f3c v\u00e0 d\u1ee5ng c\u1ee5 thi c\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t, nh\u00e0 th\u1ea7u c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 m\u00e1y m\u00f3c v\u00e0 d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng ph\u1ee5c v\u1ee5 qu\u00e1 tr\u00ecnh thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m m\u00e1y khoan b\u00ea t\u00f4ng, m\u00e1y kho\u00e9t l\u1ed7 th\u1ea1ch cao, m\u00e1y b\u1eafn v\u00edt, m\u00e1y c\u1eaft kim lo\u1ea1i, m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n, \u0111\u1ed3ng h\u1ed3 VOM, m\u00e1y test c\u00e1p t\u00edn hi\u1ec7u, th\u01b0\u1edbc laser, thang nh\u00f4m v\u00e0 gi\u00e0n gi\u00e1o thi c\u00f4ng.<\/p>\n<p>Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng, to\u00e0n b\u1ed9 m\u00e1y m\u00f3c ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 h\u1ea1n ch\u1ebf c\u00e1c s\u1ef1 c\u1ed1 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n.<\/p>\n<ul>\n<li>Chu\u00e2\u0309n bi\u0323 v\u00e2\u0323t t\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c TVGS v\u00e0 C\u0110T ph\u00ea duy\u1ec7t:<\/li>\n<li>Loa, Micro, \u0111\u1ea7u DVD, b\u00e0n g\u1ecdi v\u00f9ng, b\u1ed9 l\u01b0u \u0111i\u1ec7n, b\u1ed9 t\u0103ng c\u00f4ng su\u1ea5t, c\u00f9ng m\u1edf r\u1ed9ng, trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n, c\u00e1p t\u00edn hi\u1ec7u&#8230;, phu\u0323 ki\u00ea\u0323n k\u00e8m theo.<\/li>\n<li>V\u1eadt t\u01b0 ph\u1ee5: T\u1eafc k\u00ea \u0111\u1ea1n, t\u1eafc k\u00ea nh\u1ef1a, t\u1eafc k\u00ea r\u00fat, d\u00e2y \u0111ai, v\u00edt &#8230;.<\/li>\n<li>Ke\u0323p gi\u01b0\u0303 \u00f4\u0301ng, ke\u0303m \u0111i\u0323nh vi\u0323 \u00f4\u0301ng, d\u00e2y m\u1ed3i.<\/li>\n<li>Thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 thi c\u00f4ng:<\/li>\n<li>M\u00e1y khoan, m\u0169i khoan, m\u0169i kho\u00e9t.<\/li>\n<li>Tu\u1ed1c v\u00edt ba ke, v\u00edt d\u1eb9t, th\u01b0\u1edbc th\u1ee7y, ki\u1ec1m, kh\u00f3a, m\u1ecf l\u1ebfch, tu\u00fdp t\u1ef1 \u0111\u1ed9ng&#8230;<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"8_Quy_trinh_thi_cong_he_thong_am_thanh_thong_bao\"><\/span>8. Quy tr\u00ecnh thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"81_Dinh_vi_vi_tri_lap_dat\"><\/span>8.1 \u0110\u1ecbnh v\u1ecb v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng vi\u1ec7c \u0111\u1ea7u ti\u00ean tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng. K\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng s\u1ebd d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd shop drawing \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t loa, tuy\u1ebfn c\u00e1p, h\u1ed9p \u0111\u1ea5u n\u1ed1i v\u00e0 v\u1ecb tr\u00ed \u0111\u1eb7t t\u1ee7 rack k\u1ef9 thu\u1eadt.<\/p>\n<p>Vi\u1ec7c \u0111\u1ecbnh v\u1ecb c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn nh\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng loa \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ph\u1ee7 \u00e2m v\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n kh\u00e1c \u0111ang \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00f9ng khu v\u1ef1c.<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed sau khi \u0111\u1ecbnh v\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi tri\u1ec3n khai c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"82_Lap_dat_he_thong_ong_luon_day\"><\/span>8.2 L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y c\u00f3 nhi\u1ec7m v\u1ee5 b\u1ea3o v\u1ec7 c\u00e1p t\u00edn hi\u1ec7u kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc, \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng kh\u00e1c trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n<p>\u1ed0ng lu\u1ed3n d\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u00e2m s\u00e0n, \u00e2m t\u01b0\u1eddng ho\u1eb7c tr\u00ean m\u00e1ng c\u00e1p t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m ki\u1ebfn tr\u00fac c\u1ee7a c\u00f4ng tr\u00ecnh. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u1ea7n \u0111\u1ea3m b\u1ea3o c\u00e1c tuy\u1ebfn \u1ed1ng \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, kh\u00f4ng b\u1ecb v\u00f5ng v\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y g\u1eadp l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c k\u00e9o c\u00e1p sau n\u00e0y.<\/p>\n<p>T\u1ea1i c\u00e1c v\u1ecb tr\u00ed xuy\u00ean t\u01b0\u1eddng ho\u1eb7c xuy\u00ean s\u00e0n ch\u1ed1ng ch\u00e1y ph\u1ea3i th\u1ef1c hi\u1ec7n bi\u1ec7n ph\u00e1p b\u1ecbt k\u00edn b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y lan nh\u1eb1m \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u v\u1ec1 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u1ee7a c\u00f4ng tr\u00ecnh.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2012\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/thi-cong-ong-dien.png\" alt=\"THI C\u00d4NG \u1ed0NG \u0110I\u1ec6N\" width=\"813\" height=\"457\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/thi-cong-ong-dien.png 1280w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/thi-cong-ong-dien-768x432.png 768w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/thi-cong-ong-dien-18x10.png 18w\" sizes=\"auto, (max-width: 813px) 100vw, 813px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"83_Thong_ong_va_moi_day\"><\/span>8.3 Th\u00f4ng \u1ed1ng v\u00e0 m\u1ed3i d\u00e2y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi ho\u00e0n th\u00e0nh c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t \u1ed1ng lu\u1ed3n d\u00e2y, \u0111\u1ed9i thi c\u00f4ng ti\u1ebfn h\u00e0nh ki\u1ec3m tra kh\u1ea3 n\u0103ng th\u00f4ng su\u1ed1t c\u1ee7a tuy\u1ebfn \u1ed1ng b\u1eb1ng d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng.<\/p>\n<p>C\u00e1c v\u1ecb tr\u00ed ph\u00e1t hi\u1ec7n ngh\u1eb9t ho\u1eb7c t\u1eafc ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd ngay tr\u01b0\u1edbc khi k\u00e9o c\u00e1p nh\u1eb1m tr\u00e1nh ph\u00e1t sinh kh\u00f3 kh\u0103n trong giai \u0111o\u1ea1n ti\u1ebfp theo. Sau khi ki\u1ec3m tra \u0111\u1ea1t y\u00eau c\u1ea7u, d\u00e2y m\u1ed3i \u0111\u01b0\u1ee3c lu\u1ed3n s\u1eb5n b\u00ean trong \u1ed1ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c k\u00e9o c\u00e1p t\u00edn hi\u1ec7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"84_Keo_cap_tin_hieu_am_thanh\"><\/span>8.4 K\u00e9o c\u00e1p t\u00edn hi\u1ec7u \u00e2m thanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f4ng t\u00e1c k\u00e9o c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi \u0111\u1ed9i ng\u0169 c\u00f4ng nh\u00e2n c\u00f3 kinh nghi\u1ec7m nh\u1eb1m tr\u00e1nh l\u00e0m h\u01b0 h\u1ecfng l\u1edbp v\u1ecf b\u1ea3o v\u1ec7 ho\u1eb7c l\u00f5i d\u1eabn \u0111i\u1ec7n b\u00ean trong c\u00e1p.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh k\u00e9o c\u00e1p, l\u1ef1c k\u00e9o ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t theo khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. C\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c k\u00e9o l\u00ea tr\u1ef1c ti\u1ebfp tr\u00ean s\u00e0n b\u00ea t\u00f4ng ho\u1eb7c c\u00e1c c\u1ea1nh s\u1eafc nh\u1ecdn v\u00ec c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng l\u1edbp c\u00e1ch \u0111i\u1ec7n.<\/p>\n<p>Sau khi k\u00e9o ho\u00e0n t\u1ea5t, to\u00e0n b\u1ed9 c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh g\u1ecdn g\u00e0ng b\u1eb1ng d\u00e2y r\u00fat ho\u1eb7c k\u1eb9p c\u00e1p chuy\u00ean d\u1ee5ng. Hai \u0111\u1ea7u c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u nh\u1eadn d\u1ea1ng r\u00f5 r\u00e0ng nh\u1eb1m ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c \u0111\u1ea5u n\u1ed1i v\u00e0 b\u1ea3o tr\u00ec sau n\u00e0y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"85_Kiem_tra_tuyen_cap_sau_khi_keo\"><\/span>8.5 Ki\u1ec3m tra tuy\u1ebfn c\u00e1p sau khi k\u00e9o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi ho\u00e0n th\u00e0nh c\u00f4ng t\u00e1c k\u00e9o c\u00e1p, k\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng ti\u1ebfn h\u00e0nh ki\u1ec3m tra to\u00e0n b\u1ed9 tuy\u1ebfn c\u00e1p nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ee9t ng\u1ea7m, ch\u1ea1m ch\u1eadp ho\u1eb7c \u0111\u1ea5u nh\u1ea7m tuy\u1ebfn.<\/p>\n<p>Vi\u1ec7c \u0111o ki\u1ec3m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng v\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ghi nh\u1eadn \u0111\u1ea7y \u0111\u1ee7 trong bi\u00ean b\u1ea3n ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng. Ch\u1ec9 nh\u1eefng tuy\u1ebfn c\u00e1p \u0111\u1ea1t y\u00eau c\u1ea7u m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p chuy\u1ec3n sang c\u00f4ng t\u00e1c \u0111\u1ea5u n\u1ed1i thi\u1ebft b\u1ecb.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"9_Lap_dat_tu_rack_trung_tam_cho_he_thong_am_thanh_thong_bao\"><\/span>9. L\u1eafp \u0111\u1eb7t t\u1ee7 rack trung t\u00e2m cho h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u1ee7 rack l\u00e0 trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o. \u0110\u00e2y l\u00e0 n\u01a1i t\u1eadp trung c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u01b0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t, b\u1ed9 ch\u1ecdn v\u00f9ng, b\u1ed9 ghi th\u00f4ng b\u00e1o t\u1ef1 \u0111\u1ed9ng, b\u1ed9 qu\u1ea3n l\u00fd ngu\u1ed3n, UPS d\u1ef1 ph\u00f2ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y.<\/p>\n<p>Do t\u1ee7 rack \u0111\u00f3ng vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 th\u1ed1ng n\u00ean c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"91_Dinh_vi_va_co_dinh_tu_rack\"><\/span>9.1 \u0110\u1ecbnh v\u1ecb v\u00e0 c\u1ed1 \u0111\u1ecbnh t\u1ee7 rack<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, k\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng ti\u1ebfn h\u00e0nh ki\u1ec3m tra k\u00edch th\u01b0\u1edbc ph\u00f2ng k\u1ef9 thu\u1eadt, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a s\u00e0n v\u00e0 kho\u1ea3ng kh\u00f4ng gian b\u1ea3o tr\u00ec xung quanh t\u1ee7.<\/p>\n<p>T\u1ee7 rack ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed t\u1ea1i v\u1ecb tr\u00ed kh\u00f4 r\u00e1o, th\u00f4ng tho\u00e1ng, tr\u00e1nh ngu\u1ed3n nhi\u1ec7t tr\u1ef1c ti\u1ebfp v\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 \u1ea9m cao. Kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1eb7t tr\u01b0\u1edbc t\u1ee7 v\u00e0 c\u00e1c v\u1eadt c\u1ea3n xung quanh ph\u1ea3i \u0111\u1ee7 \u0111\u1ec3 nh\u00e2n vi\u00ean k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 thao t\u00e1c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n.<\/p>\n<p>Sau khi x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed, t\u1ee7 rack \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn xu\u1ed1ng s\u00e0n b\u1eb1ng bulong n\u1edf ho\u1eb7c h\u1ec7 th\u1ed1ng ch\u00e2n \u0111\u1ebf chuy\u00ean d\u1ee5ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"92_Lap_dat_thiet_bi_ben_trong_tu_rack\"><\/span>9.2 L\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb b\u00ean trong t\u1ee7 rack<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb trong t\u1ee7 rack ph\u1ea3i tu\u00e2n th\u1ee7 s\u01a1 \u0111\u1ed3 b\u1ed1 tr\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t. C\u00e1c thi\u1ebft b\u1ecb c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn nh\u01b0 amplifier th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed t\u1ea1i c\u00e1c v\u1ecb tr\u00ed c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t t\u1ed1t nh\u1eb1m tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t khi v\u1eadn h\u00e0nh li\u00ean t\u1ee5c.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf khu v\u1ef1c trung t\u00e2m c\u1ee7a t\u1ee7 nh\u1eb1m thu\u1eadn ti\u1ec7n cho c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ea7n \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch h\u1ee3p l\u00fd gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb nh\u1eb1m t\u0103ng hi\u1ec7u qu\u1ea3 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed v\u00e0 h\u1ea1n ch\u1ebf \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn tu\u1ed5i th\u1ecd linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-804\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/thi-cong-he-thong-dien-nhe-1.png\" alt=\"\" width=\"824\" height=\"549\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/thi-cong-he-thong-dien-nhe-1.png 1536w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/thi-cong-he-thong-dien-nhe-1-768x512.png 768w\" sizes=\"auto, (max-width: 824px) 100vw, 824px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"93_Quan_ly_day_dan_trong_tu_rack\"><\/span>9.3 Qu\u1ea3n l\u00fd d\u00e2y d\u1eabn trong t\u1ee7 rack<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To\u00e0n b\u1ed9 d\u00e2y t\u00edn hi\u1ec7u, d\u00e2y ngu\u1ed3n v\u00e0 d\u00e2y \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng nh\u1eb1m h\u1ea1n ch\u1ebf nhi\u1ec5u \u0111i\u1ec7n t\u1eeb v\u00e0 n\u00e2ng cao t\u00ednh th\u1ea9m m\u1ef9 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>C\u00e1c tuy\u1ebfn d\u00e2y \u0111\u01b0\u1ee3c b\u00f3 g\u1ecdn b\u1eb1ng ph\u1ee5 ki\u1ec7n chuy\u00ean d\u1ee5ng v\u00e0 \u0111\u00e1nh s\u1ed1 nh\u1eadn d\u1ea1ng theo s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd. Vi\u1ec7c qu\u1ea3n l\u00fd d\u00e2y d\u1eabn khoa h\u1ecdc gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian x\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 thu\u1eadn ti\u1ec7n cho c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"94_Tiep_dia_va_chong_set\"><\/span>9.4 Ti\u1ebfp \u0111\u1ecba v\u00e0 ch\u1ed1ng s\u00e9t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i \u0111\u1ea7y \u0111\u1ee7 cho t\u1ee7 rack v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed b\u00ean trong nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111i\u1ec7n v\u00e0 h\u1ea1n ch\u1ebf h\u01b0 h\u1ecfng do d\u00f2ng \u0111i\u1ec7n r\u00f2.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 quy m\u00f4 l\u1edbn ho\u1eb7c khu v\u1ef1c th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra gi\u00f4ng s\u00e9t, c\u1ea7n l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho ngu\u1ed3n \u0111i\u1ec7n v\u00e0 c\u00e1c tuy\u1ebfn t\u00edn hi\u1ec7u quan tr\u1ecdng nh\u1eb1m b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng \u00e2m thanh kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 \u00e1p \u0111\u1ed9t bi\u1ebfn.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"10_Lap_dat_dau_noi_he_thong_am_thanh_thong_bao\"><\/span>10. L\u1eafp \u0111\u1eb7t, \u0111\u1ea5u n\u1ed1i h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Loa l\u00e0 thi\u1ebft b\u1ecb tr\u1ef1c ti\u1ebfp ph\u00e1t \u00e2m thanh \u0111\u1ebfn ng\u01b0\u1eddi s\u1eed d\u1ee5ng n\u00ean ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a to\u00e0n h\u1ec7 th\u1ed1ng.<\/p>\n<ul>\n<li>Tu\u1ef3 theo ch\u1ee7ng lo\u1ea1i Loa m\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t s\u1ebd kh\u00e1c nhau: Loa l\u1eafp \u00e2m tr\u1ea7n th\u1ea1ch cao, l\u1eafp tren c\u1ed9t, v\u00e1ch b\u00ea t\u00f4ng v.v&#8230;<\/li>\n<li>X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed, l\u1ea5y d\u1ea5u Loa chu\u1ea9n b\u1ecb l\u1eafp d\u1ef1a v\u00e0o b\u1ea3n v\u1ebd \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/li>\n<li>D\u00f9ng khoan, m\u0169i kho\u00e9t ngay v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ea5y d\u1ea5u, \u0111\u00f3ng t\u1eafc k\u00ea nh\u1ef1a, r\u00fat, \u0111\u1ea1n tu\u1ef3 thu\u1ed9c v\u00e0o v\u1ecb tr\u00ed l\u1eafp (\u00e2m tr\u1ea7n, tr\u00ean t\u01b0\u1eddng, c\u1ed9t b\u00ea t\u00f4ng&#8230;), sau \u0111\u00f3 c\u1ed1 \u0111\u1ecbnh loa t\u1ea1i v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t (xem chi ti\u1ebft 1)<\/li>\n<li>D\u1ef1a v\u00e0o catalogue t\u1eebng lo\u1ea1i \u0111\u1ec3 \u0111\u1ea5u n\u1ed1i d\u00e2y t\u00edn hi\u1ec7u v\u00e0o c\u00e1c ch\u00e2n loa cho ch\u00ednh x\u00e1c, do loa ph\u1ee5c v\u1ee5 cho \u00e2m thanh c\u00f4ng c\u1ed9ng n\u00ean ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng k\u1ebft n\u1ed1i tr\u1edf kh\u00e1ng cao. Trong t\u1ea5t c\u1ea3 c\u00e1c loa c\u00f3 bi\u1ebfn \u00e1p s\u1ebd \u0111\u01b0\u1ee3c m\u1eafc song song, tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng loa n\u00e0y v\u1edbi loa kh\u00f4ng c\u00f3 bi\u1ebfn \u00e1p.\u1ede k\u1ebft n\u1ed1i tr\u1edf kh\u00e1ng cao, khi b\u1ea1n m\u1eafc c\u00e1c loa song song, n\u00f3 s\u1ebd r\u1ea5t h\u1eefu hi\u1ec7u khi thi\u1ebft k\u1ebf sao cho t\u1ed5ng \u0111\u1ea7u v\u00e0o loa nh\u1ecf h\u01a1n c\u00f4ng su\u1ea5t ra c\u1ee7a t\u1ea7ng \u00e2m. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap lo\u1ea1i b\u1ecf t\u00ednh to\u00e1n tr\u1edf kh\u00e1ng ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<p><strong><em><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2203\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/Lap-dat-Loa.png\" alt=\"Bi\u1ec7n ph\u00e1p thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o (PA)\" width=\"714\" height=\"476\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/Lap-dat-Loa.png 825w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/Lap-dat-Loa-768x512.png 768w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/Lap-dat-Loa-18x12.png 18w\" sizes=\"auto, (max-width: 714px) 100vw, 714px\" \/><\/em><\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"101_Lap_dat_loa_am_tran\"><\/span>10.1 L\u1eafp \u0111\u1eb7t loa \u00e2m tr\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Loa \u00e2m tr\u1ea7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i khu v\u1ef1c v\u0103n ph\u00f2ng, trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, h\u00e0nh lang, kh\u00e1ch s\u1ea1n v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 tr\u1ea7n th\u1ea1ch cao.<\/p>\n<p>Sau khi x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed theo b\u1ea3n v\u1ebd, k\u1ef9 thu\u1eadt vi\u00ean ti\u1ebfn h\u00e0nh kho\u00e9t l\u1ed7 tr\u00ean tr\u1ea7n v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7ng lo\u1ea1i loa \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Vi\u1ec7c kho\u00e9t l\u1ed7 c\u1ea7n th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn nh\u1eb1m tr\u00e1nh l\u00e0m h\u01b0 h\u1ecfng h\u1ec7 th\u1ed1ng tr\u1ea7n ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt kh\u00e1c ph\u00eda tr\u00ean tr\u1ea7n.<\/p>\n<p>Sau khi ho\u00e0n th\u00e0nh \u0111\u1ea5u n\u1ed1i d\u00e2y t\u00edn hi\u1ec7u, loa \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn b\u1eb1ng ng\u00e0m gi\u1eef chuy\u00ean d\u1ee5ng v\u00e0 ki\u1ec3m tra kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc khi b\u00e0n giao cho c\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n ki\u1ebfn tr\u00fac.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2201\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/word-image-2200-1.png\" width=\"483\" height=\"238\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/word-image-2200-1.png 668w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/word-image-2200-1-18x9.png 18w\" sizes=\"auto, (max-width: 483px) 100vw, 483px\" \/><\/p>\n<p><strong>Chi ti\u1ebft 1:<\/strong><em> L\u1eafp \u0111\u1eb7t loa \u00e2m tr\u1ea7n<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"102_Lap_dat_loa_treo_tuong\"><\/span>10.2 L\u1eafp \u0111\u1eb7t loa treo t\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi loa treo t\u01b0\u1eddng, c\u00f4ng t\u00e1c \u0111\u1ecbnh v\u1ecb c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o g\u00f3c ph\u1ee7 \u00e2m ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian s\u1eed d\u1ee5ng.<\/p>\n<p>Gi\u00e1 \u0111\u1ee1 loa \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng t\u1eafc k\u00ea th\u00e9p ho\u1eb7c bulong n\u1edf nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u00e2u d\u00e0i. Sau khi l\u1eafp \u0111\u1eb7t ho\u00e0n thi\u1ec7n, h\u01b0\u1edbng ph\u00e1t \u00e2m c\u1ee7a loa \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p nh\u1eb1m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 truy\u1ec1n t\u1ea3i \u00e2m thanh t\u1ed1t nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"103_Lap_dat_loa_cot_va_loa_nen\"><\/span>10.3 L\u1eafp \u0111\u1eb7t loa c\u1ed9t v\u00e0 loa n\u00e9n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Loa c\u1ed9t v\u00e0 loa n\u00e9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i nh\u00e0 x\u01b0\u1edfng, s\u00e2n v\u1eadn \u0111\u1ed9ng, b\u00e3i \u0111\u1ed7 xe ho\u1eb7c c\u00e1c khu v\u1ef1c ngo\u00e0i tr\u1eddi c\u00f3 di\u1ec7n t\u00edch l\u1edbn.<\/p>\n<p>Qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng rung, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng \u1ea3nh h\u01b0\u1edfng c\u1ee7a th\u1eddi ti\u1ebft. C\u00e1c gi\u00e1 \u0111\u1ee1 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"104_Dau_noi_loa\"><\/span>10.4 \u0110\u1ea5u n\u1ed1i loa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To\u00e0n b\u1ed9 c\u00f4ng t\u00e1c \u0111\u1ea5u n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo \u0111\u00fang s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 truy\u1ec1n t\u1ea3i 70V ho\u1eb7c 100V, c\u00e1c loa th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i song song nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng.<\/p>\n<p>Sau khi \u0111\u1ea5u n\u1ed1i ho\u00e0n th\u00e0nh, k\u1ef9 thu\u1eadt vi\u00ean ti\u1ebfn h\u00e0nh ki\u1ec3m tra c\u1ef1c t\u00ednh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i nh\u1eb1m \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 loa ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 v\u00e0 kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng l\u1ec7ch pha \u00e2m thanh.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"11_Cau_hinh_he_thong_am_thanh_thong_bao\"><\/span>11. C\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi ho\u00e0n th\u00e0nh c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t c\u01a1 kh\u00ed v\u00e0 \u0111\u1ea5u n\u1ed1i \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c chuy\u1ec3n sang giai \u0111o\u1ea1n c\u1ea5u h\u00ecnh v\u00e0 l\u1eadp tr\u00ecnh.<\/p>\n<p>\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 y\u00eau c\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi k\u1ef9 s\u01b0 chuy\u00ean ng\u00e0nh c\u00f3 kinh nghi\u1ec7m.<\/p>\n<p><em><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2205\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/So-do-nguyen-ly-he-thong-am-thanh-thong-bao.png\" alt=\"\" width=\"554\" height=\"608\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/So-do-nguyen-ly-he-thong-am-thanh-thong-bao.png 547w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/05\/So-do-nguyen-ly-he-thong-am-thanh-thong-bao-11x12.png 11w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/>\u00a0\u00a0<\/em><\/p>\n<p><strong>Chi ti\u1ebft 2:<\/strong><em> M\u00f4 h\u00ecnh h\u1ec7 th\u1ed1ng \u00e2m thanh \u0111i\u1ec3n h\u00ecnh<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"111_Thiet_lap_vung_thong_bao\"><\/span>11.1 Thi\u1ebft l\u1eadp v\u00f9ng th\u00f4ng b\u00e1o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u v\u00f9ng loa kh\u00e1c nhau d\u1ef1a tr\u00ean c\u00f4ng n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<p>Vi\u1ec7c ph\u00e2n v\u00f9ng gi\u00fap ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 ph\u00e1t th\u00f4ng b\u00e1o \u0111\u1ebfn t\u1eebng khu v\u1ef1c ri\u00eang bi\u1ec7t ho\u1eb7c ph\u00e1t \u0111\u1ed3ng th\u1eddi cho to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh t\u00f9y theo nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n<p>C\u00e1c v\u00f9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia theo t\u1ea7ng, khu ch\u1ee9c n\u0103ng, khu v\u1ef1c c\u00f4ng c\u1ed9ng ho\u1eb7c khu v\u1ef1c s\u1ea3n xu\u1ea5t nh\u1eb1m t\u0103ng t\u00ednh linh ho\u1ea1t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"112_Thiet_lap_nguon_phat_am_thanh\"><\/span>11.2 Thi\u1ebft l\u1eadp ngu\u1ed3n ph\u00e1t \u00e2m thanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 ti\u1ebfp nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau nh\u01b0 micro th\u00f4ng b\u00e1o, \u0111\u1ea7u ph\u00e1t nh\u1ea1c n\u1ec1n, b\u1ed9 ghi th\u00f4ng b\u00e1o t\u1ef1 \u0111\u1ed9ng ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m.<\/p>\n<p>M\u1ed7i ngu\u1ed3n t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp m\u1ee9c \u01b0u ti\u00ean ph\u00f9 h\u1ee3p nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c th\u00f4ng b\u00e1o kh\u1ea9n c\u1ea5p lu\u00f4n \u0111\u01b0\u1ee3c ph\u00e1t tr\u01b0\u1edbc c\u00e1c t\u00edn hi\u1ec7u th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"113_Tich_hop_voi_he_thong_bao_chay\"><\/span>11.3 T\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 ch\u1ee9c n\u0103ng quan tr\u1ecdng nh\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng PA trong c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>Khi nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m s\u1ebd t\u1ef1 \u0111\u1ed9ng ng\u1eaft nh\u1ea1c n\u1ec1n v\u00e0 k\u00edch ho\u1ea1t b\u1ea3n tin s\u01a1 t\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c ghi \u00e2m s\u1eb5n. N\u1ed9i dung th\u00f4ng b\u00e1o s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t \u0111\u1ebfn c\u00e1c khu v\u1ef1c li\u00ean quan nh\u1eb1m h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi s\u1eed d\u1ee5ng tho\u00e1t n\u1ea1n an to\u00e0n.<\/p>\n<p>Qu\u00e1 tr\u00ecnh t\u00edch h\u1ee3p ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u1ecdi t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"12Kiem_tra_va_nghiem_thu\"><\/span>12.Ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ed9i dung quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o.<\/p>\n<p>M\u1ecdi h\u1ea1ng m\u1ee5c thi c\u00f4ng \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra, nghi\u1ec7m thu n\u1ed9i b\u1ed9 tr\u01b0\u1edbc khi chuy\u1ec3n sang b\u01b0\u1edbc ti\u1ebfp theo nh\u1eb1m h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c sai s\u00f3t ph\u00e1t sinh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"121_Kiem_tra_vat_tu_dau_vao\"><\/span>12.1 Ki\u1ec3m tra v\u1eadt t\u01b0 \u0111\u1ea7u v\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 xu\u1ea5t x\u1ee9, model, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 t\u00ecnh tr\u1ea1ng ngo\u1ea1i quan.<\/p>\n<p>Ch\u1ec9 nh\u1eefng v\u1eadt t\u01b0 \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p l\u1eafp \u0111\u1eb7t.<\/p>\n<p>12.2 Ki\u1ec3m tra c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t<\/p>\n<p>C\u00f4ng t\u00e1c ki\u1ec3m tra bao g\u1ed3m:<\/p>\n<ul>\n<li>Ki\u1ec3m tra v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t loa.<\/li>\n<li>Ki\u1ec3m tra tuy\u1ebfn c\u00e1p t\u00edn hi\u1ec7u.<\/li>\n<li>Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y.<\/li>\n<li>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea5u n\u1ed1i.<\/li>\n<li>Ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba v\u00e0 ch\u1ed1ng s\u00e9t.<\/li>\n<\/ul>\n<p>To\u00e0n b\u1ed9 k\u1ebft qu\u1ea3 ki\u1ec3m tra ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh bi\u00ean b\u1ea3n v\u00e0 l\u01b0u tr\u1eef trong h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng d\u1ef1 \u00e1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"123_Do_kiem_ky_thuat\"><\/span>12.3 \u0110o ki\u1ec3m k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c ph\u00e9p \u0111o c\u1ea7n th\u1ef1c hi\u1ec7n bao g\u1ed3m:<\/p>\n<ul>\n<li>Ki\u1ec3m tra th\u00f4ng m\u1ea1ch c\u00e1p.<\/li>\n<li>Ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li>Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p ngu\u1ed3n c\u1ea5p.<\/li>\n<li>Ki\u1ec3m tra tr\u1edf kh\u00e1ng tuy\u1ebfn loa.<\/li>\n<li>Ki\u1ec3m tra m\u1ee9c \u00e1p su\u1ea5t \u00e2m thanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<p>Nh\u1eefng k\u1ebft qu\u1ea3 \u0111o ki\u1ec3m n\u00e0y l\u00e0 c\u01a1 s\u1edf quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t v\u00e0 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c nghi\u1ec7m thu sau n\u00e0y.<\/p>\n<ul>\n<li>\u0110o ki\u1ec3m tra th\u00f4ng m\u1ea1ch: y\u00eau c\u1ea7u kh\u1ed1ng ch\u1ebf t\u1eebng zone d\u00f9ng VOM ki\u1ec3m tra th\u00f4ng ngu\u1ed3n t\u1ea1i v\u1ecb tr\u00ed \u0111\u1ea5u n\u1ed1i c\u00e1p t\u00edn hi\u1ec7u. Vi\u1ec7c ki\u1ec3m tra y\u00eau c\u1ea7u k\u1ef9 s\u01b0 c\u00f3 chuy\u00ean m\u00f4n tr\u1ef1c ti\u1ebfp th\u1ef1c hi\u1ec7n.<\/li>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1eebng loa: ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i r\u00f5, ch\u1ed1ng nhi\u1ec5u, kh\u00f4ng b\u1ecb r\u00e8.<\/li>\n<li>Ki\u1ec3m tra t\u00edn hi\u1ec7u li\u00ean \u0111\u1ed9ng gi\u1eefa b\u00e0n \u0111i\u1ec1u khi\u1ec3n (Khu ti\u1ebfp t\u00e2n) v\u1edbi t\u00edn hi\u1ec7u h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y ph\u1ea3i ph\u00e1t \u00e2m thanh c\u1ea3nh b\u00e1o.<\/li>\n<li>Ti\u1ebfn h\u00e0nh nghi\u1ec7m thu n\u1ed9i b\u1ed9 v\u00e0 sau \u0111\u00f3 m\u1eddi TVGS v\u00e0 C\u0110T nghi\u1ec7m thu b\u00e0n giao c\u00f4ng vi\u1ec7c ho\u00e0n t\u1ea5t.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"14_Ket_luan\"><\/span>14. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 quan tr\u1ecdng, g\u00f3p ph\u1ea7n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u1eadn h\u00e0nh v\u00e0 m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a c\u00f4ng tr\u00ecnh. Vi\u1ec7c thi c\u00f4ng \u0111\u00fang quy tr\u00ecnh, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt t\u01b0, l\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 c\u00e1c b\u01b0\u1edbc ch\u1ea1y th\u1eed, nghi\u1ec7m thu s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh v\u00e0 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1eadn h\u00e0nh l\u00e2u d\u00e0i c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<h3 data-section-id=\"1g4ps65\" data-start=\"12338\" data-end=\"12382\"><span class=\"ez-toc-section\" id=\"TAI_FILE_BIEN_PHAP_THI_CONG_HE_THONG_AM_THANH_THONG_BAO\"><\/span><strong>T\u1ea2I FILE BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4 data-start=\"321\" data-end=\"462\"><span class=\"ez-toc-section\" id=\"BIEN_PHAP_THI_CONG_HE_THONG_PA\"><\/span><div style=\"margin:8px 0;\">\n            <a href=\"#\" class=\"dl-item\"\n               data-link=\"https:\/\/drive.google.com\/file\/d\/1H8NrJewWevkY9GODD5PVzr7DGOb1ljxu\/view\"\n               data-time=\"45\"\n               data-text=\"BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG PA\"\n               style=\"color:#007bff;font-weight:bold;text-transform:uppercase;text-decoration:none;\">\n               BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG PA\n            <\/a>\n        <\/div><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h3 data-section-id=\"1g4ps65\" data-start=\"12338\" data-end=\"12382\"><span class=\"ez-toc-section\" id=\"TAI_FILE_BANG_TINH_HE_THONG_AM_THANH_THONG_BAO\"><\/span><strong>T\u1ea2I FILE B\u1ea2NG T\u00cdNH H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4 data-start=\"321\" data-end=\"462\"><span class=\"ez-toc-section\" id=\"BANG_TINH_HE_THONG_AM_THANH_THONG_BAO\"><\/span><div style=\"margin:8px 0;\">\n            <a href=\"#\" class=\"dl-item\"\n               data-link=\"https:\/\/drive.google.com\/file\/d\/1K8xcvAlzKbehv_fEjU4xFbjAu8VJLVqb\/view\"\n               data-time=\"45\"\n               data-text=\"B\u1ea2NG T\u00cdNH H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O\"\n               style=\"color:#007bff;font-weight:bold;text-transform:uppercase;text-decoration:none;\">\n               B\u1ea2NG T\u00cdNH H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O\n            <\/a>\n        <\/div><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h1 data-section-id=\"1m9w8px\" data-start=\"7620\" data-end=\"7633\"><span class=\"ez-toc-section\" id=\"9_Lien_He\"><\/span>9. Li\u00ean H\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><strong>N\u1ebfu b\u1ea1n c\u00f3 nhu c\u1ea7u v\u1ec1 thi\u1ebft k\u1ebf, thi c\u00f4ng h\u1ec7 th\u1ed1ng camera v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n- \u0111i\u00ean nh\u1eb9 vui l\u00f2ng li\u00ean h\u1ec7 th\u00f4ng tin b\u00ean d\u01b0\u1edbi<\/strong><\/p>\n<p><strong>TRIEU MINH ENGINEERING COMPANY<\/strong><\/p>\n<p><strong>\u0110\u1ecaA CH\u1ec8: 109 NGUY\u1ec4N TH\u1eca NHUNG. P. HI\u1ec6P B\u00ccNH, TP. H\u1ed2 CH\u00cd MINH<\/strong><\/p>\n<p><strong>MAIL: TRIEUMINH@TRIEUMINH.COM<\/strong><\/p>\n<p><strong>\u0110I\u1ec6N THO\u1ea0I (ZALO): 0976.422.223<\/strong><\/p>\n<p>More<\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/thi-cong-he-thong-dien-dien-nhe\/\">ELECTRICAL AND ELV SYSTEM INSTALLATION\u00a0<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/tong-thau-co-dien\/\">T\u1ed4NG TH\u1ea6U C\u01a0 \u0110I\u1ec6N<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/cong-ty-ky-thuat-cong-nghe-trieu-minh\/\">ABOUT TRIEU MINH ENGINEERING<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/thi-cong-he-thong-dieu-hoa-khong-khi-va-thong-gio\/\">THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u0110I\u1ec0U H\u00d2A KH\u00d4NG KH\u00cd V\u00c0 TH\u00d4NG GI\u00d3<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/lap-dat-he-thong-may-lanh-vrv-vrf\/\">L\u1eaeP \u0110\u1eb6T H\u1ec6 TH\u1ed0NG M\u00c1Y L\u1ea0NH VRV, VRF<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/thi-cong-lap-dat-he-thong-cap-thoat-nuoc\/\">INSTALLATION OF WATER SUPPLY AND DRAINAGE SYSTEMS<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-dien-dien-nhe\/\">BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u0110I\u1ec6N \u2013 \u0110I\u1ec6N NH\u1eb8<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/quy-trinh-thi-cong-he-thong-thong-gio-nha-xuong\/\" target=\"_blank\" rel=\"noopener\">QUY TR\u00ccNH THI C\u00d4NG H\u1ec6 TH\u1ed0NG TH\u00d4NG GI\u00d3 NH\u00c0 X\u01af\u1edeNG<\/a><\/p>\n<p><a title=\"Fanpage Tri\u1ec1u Minh\" href=\"https:\/\/www.facebook.com\/profile.php?id=61586129903680\" target=\"_blank\" rel=\"noopener\">FANPAGE TRI\u1ec0U MINH<\/a><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG \u00c2M THANH TH\u00d4NG B\u00c1O (PA) 1. Gi\u1edbi thi\u1ec7u v\u1ec1 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o (Public Address System \u2013 PA) l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 (ELV) quan tr\u1ecdng trong c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i nh\u01b0 trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, cao<\/p>","protected":false},"author":1,"featured_media":2203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,2],"tags":[1153,1156,1149,1150,1152,1151,944,1155,1154],"class_list":["post-2200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-tai-lieu","tag-am-thanh-thong-bao","tag-bang-tinh-am-thanh-thong-bao","tag-bien-phap-thi-cong-he-thong-am-thanh-thong-bao","tag-bien-phap-thi-cong-he-thong-pa","tag-lap-dat-he-thong-am-thanh","tag-pa-system","tag-thi-cong-he-thong-dien-nhe","tag-thi-cong-he-thong-pa","tag-thiet-ke-am-thanh-thong-bao"],"_links":{"self":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/2200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/comments?post=2200"}],"version-history":[{"count":4,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/2200\/revisions"}],"predecessor-version":[{"id":2209,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/2200\/revisions\/2209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media\/2203"}],"wp:attachment":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media?parent=2200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/categories?post=2200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/tags?post=2200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}