{"id":4754,"date":"2025-09-24T08:47:22","date_gmt":"2025-09-24T01:47:22","guid":{"rendered":"https:\/\/antoanhanghai.com\/?p=4754"},"modified":"2025-09-24T08:47:22","modified_gmt":"2025-09-24T01:47:22","slug":"loi-vhf-dsc","status":"publish","type":"post","link":"https:\/\/antoanhanghai.com\/en\/loi-vhf-dsc\/","title":{"rendered":"Sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi ch\u1ecdn\/l\u1eafp thi\u1ebft b\u1ecb VHF DSC v\u00e0 c\u00e1ch tr\u00e1nh"},"content":{"rendered":"<h3 data-start=\"380\" data-end=\"459\">L\u1eafp \u0111\u1eb7t sai thi\u1ebft b\u1ecb g\u00e2y l\u1ed7i VHF DSC c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u c\u1ea5p c\u1ee9u kh\u00f4ng \u0111\u1ebfn n\u01a1i<\/h3>\n<p data-start=\"461\" data-end=\"624\">R\u1ea5t nhi\u1ec1u s\u1ef1 c\u1ed1 tr\u00ean bi\u1ec3n b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c <strong data-start=\"505\" data-end=\"566\">ch\u1ecdn sai lo\u1ea1i thi\u1ebft b\u1ecb ho\u1eb7c l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang ti\u00eau chu\u1ea9n<\/strong>, d\u1eabn \u0111\u1ebfn h\u1ec7 th\u1ed1ng DSC kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang l\u00fac c\u1ea7n thi\u1ebft.<\/p>\n<p data-start=\"626\" data-end=\"753\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng <strong data-start=\"644\" data-end=\"710\">l\u1ed7i sai ph\u1ed5 bi\u1ebfn nh\u1ea5t khi ch\u1ecdn mua v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb VHF DSC<\/strong>, c\u00f9ng c\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u1ec3 b\u1ea1n tr\u00e1nh l\u1eb7p l\u1ea1i.<\/p>\n<h3 data-start=\"760\" data-end=\"833\">\u274c <strong data-start=\"766\" data-end=\"833\">1. Ch\u1ecdn thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u1ea1t chu\u1ea9n GMDSS \/ kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 MED<\/strong><\/h3>\n<p data-start=\"835\" data-end=\"964\">M\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb v\u00ec ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb VHF kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng DSC ho\u1eb7c s\u1eed d\u1ee5ng h\u00e0ng tr\u00f4i n\u1ed5i kh\u00f4ng c\u00f3 ch\u1ee9ng nh\u1eadn.<\/p>\n<p data-start=\"966\" data-end=\"1087\">\u27a1\ufe0f <strong data-start=\"969\" data-end=\"981\">H\u1eadu qu\u1ea3:<\/strong> Kh\u00f4ng ph\u00e1t \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u distress theo k\u00eanh 70, kh\u00f4ng t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c v\u1edbi MRCC, kh\u00f4ng h\u1ee3p l\u1ec7 khi \u0111\u0103ng ki\u1ec3m.<\/p>\n<p data-start=\"1089\" data-end=\"1221\">\u2705 <strong data-start=\"1091\" data-end=\"1105\">Gi\u1ea3i ph\u00e1p:<\/strong> Lu\u00f4n ki\u1ec3m tra gi\u1ea5y ch\u1ee9ng nh\u1eadn GMDSS, MED, CCS\u2026 khi mua thi\u1ebft b\u1ecb. \u01afu ti\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ki\u1ec3m \u0111\u1ecbnh qu\u1ed1c t\u1ebf r\u00f5 r\u00e0ng.<\/p>\n<h3 data-start=\"1228\" data-end=\"1285\">\u274c <strong data-start=\"1234\" data-end=\"1285\">2. Kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi GPS ho\u1eb7c \u0111\u1ea5u sai c\u1ed5ng NMEA<\/strong><\/h3>\n<p data-start=\"1287\" data-end=\"1419\">Nhi\u1ec1u thi\u1ebft b\u1ecb DSC hi\u1ec7n \u0111\u1ea1i y\u00eau c\u1ea7u t\u00edn hi\u1ec7u GPS \u0111\u1ec3 ch\u00e8n v\u1ecb tr\u00ed v\u00e0o g\u00f3i tin DSC. Tuy nhi\u00ean, do thi\u1ebfu ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt, m\u1ed9t s\u1ed1 t\u00e0u:<\/p>\n<ul data-start=\"1421\" data-end=\"1521\">\n<li data-start=\"1421\" data-end=\"1442\">\n<p data-start=\"1423\" data-end=\"1442\">Kh\u00f4ng k\u1ebft n\u1ed1i GPS<\/p>\n<\/li>\n<li data-start=\"1443\" data-end=\"1486\">\n<p data-start=\"1445\" data-end=\"1486\">K\u1ebft n\u1ed1i sai ch\u00e2n NMEA (NMEA+ v\u1edbi NMEA\u2013)<\/p>\n<\/li>\n<li data-start=\"1487\" data-end=\"1521\">\n<p data-start=\"1489\" data-end=\"1521\">D\u00f9ng GPS ngo\u00e0i kh\u00f4ng t\u01b0\u01a1ng th\u00edch<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1523\" data-end=\"1621\">\u27a1\ufe0f <strong data-start=\"1526\" data-end=\"1538\">H\u1eadu qu\u1ea3:<\/strong> Tin nh\u1eafn Distress kh\u00f4ng c\u00f3 t\u1ecda \u0111\u1ed9 \u2192 MRCC kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed ng\u01b0\u1eddi c\u1ea7n c\u1ee9u.<\/p>\n<p data-start=\"1623\" data-end=\"1730\">\u2705 <strong data-start=\"1625\" data-end=\"1639\">Gi\u1ea3i ph\u00e1p:<\/strong> Ki\u1ec3m tra t\u00edn hi\u1ec7u GPS hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. Test th\u1eed tin DSC \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00f3 ch\u00e8n v\u1ecb tr\u00ed.<\/p>\n<h3 data-start=\"1737\" data-end=\"1814\">\u274c <strong data-start=\"1743\" data-end=\"1814\">3. L\u1eafp sai anten \u2013 d\u00e2y d\u1eabn k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c v\u1ecb tr\u00ed anten b\u1ecb ch\u1eafn<\/strong><\/h3>\n<p data-start=\"1816\" data-end=\"1902\">DSC d\u00f9ng anten VHF ri\u00eang, ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng anten.<\/p>\n<p data-start=\"1904\" data-end=\"1923\">C\u00e1c l\u1ed7i VHF DSC\u00a0 th\u01b0\u1eddng g\u1eb7p:<\/p>\n<ul data-start=\"1925\" data-end=\"2073\">\n<li data-start=\"1925\" data-end=\"1973\">\n<p data-start=\"1927\" data-end=\"1973\">D\u00f9ng chung anten v\u1edbi VHF th\u01b0\u1eddng \u2192 nhi\u1ec5u s\u00f3ng<\/p>\n<\/li>\n<li data-start=\"1974\" data-end=\"2020\">\n<p data-start=\"1976\" data-end=\"2020\">D\u00e2y c\u00e1p \u0111\u1ed3ng tr\u1ee5c ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p, qu\u00e1 d\u00e0i<\/p>\n<\/li>\n<li data-start=\"2021\" data-end=\"2073\">\n<p data-start=\"2023\" data-end=\"2073\">L\u1eafp anten d\u01b0\u1edbi boong, b\u1ecb che b\u1edfi c\u1ea9u, container&#8230;<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2075\" data-end=\"2161\">\u27a1\ufe0f <strong data-start=\"2078\" data-end=\"2090\">H\u1eadu qu\u1ea3:<\/strong> T\u00edn hi\u1ec7u DSC y\u1ebfu, kh\u00f4ng ph\u00e1t xa \u2192 kh\u00f4ng ai nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u c\u1ea7u c\u1ee9u.<\/p>\n<p data-start=\"2163\" data-end=\"2294\">\u2705 <strong data-start=\"2165\" data-end=\"2179\">Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng anten chuy\u00ean d\u1ee5ng VHF DSC, d\u00e2y RG-58 ho\u1eb7c RG-213 ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3, anten l\u1eafp \u1edf v\u1ecb tr\u00ed cao \u2013 kh\u00f4ng b\u1ecb ch\u1eafn.<\/p>\n<h3 data-start=\"2301\" data-end=\"2355\">\u274c <strong data-start=\"2307\" data-end=\"2355\">4. Kh\u00f4ng n\u1ed1i ti\u1ebfp \u0111\u1ecba \u0111\u00fang chu\u1ea9n (grounding)<\/strong><\/h3>\n<p data-start=\"2357\" data-end=\"2446\">Thi\u1ebft b\u1ecb DSC c\u1ea7n n\u1ed1i \u0111\u1ea5t \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec3 tr\u00e1nh t\u0129nh \u0111i\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o truy\u1ec1n s\u00f3ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<p data-start=\"2448\" data-end=\"2561\">Nhi\u1ec1u t\u00e0u ch\u1ec9 n\u1ed1i d\u00e2y \u201ccho c\u00f3\u201d, kh\u00f4ng ki\u1ec3m tra th\u00f4ng m\u1ea1ch, ho\u1eb7c kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba chu\u1ea9n tr\u00ean t\u00e0u<\/p>\n<p data-start=\"2563\" data-end=\"2629\">\u27a1\ufe0f <strong data-start=\"2566\" data-end=\"2578\">H\u1eadu qu\u1ea3:<\/strong> D\u1ec5 h\u1ecfng thi\u1ebft b\u1ecb, t\u00edn hi\u1ec7u y\u1ebfu, nguy c\u01a1 ch\u1eadp ch\u00e1y.<\/p>\n<p data-start=\"2631\" data-end=\"2730\">\u2705 <strong data-start=\"2633\" data-end=\"2647\">Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng thanh ti\u1ebfp \u0111\u1ecba \u0111\u1ed3ng, ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean (n\u00ean &lt; 1 ohm).<\/p>\n<h3 data-start=\"2737\" data-end=\"2815\">\u274c <strong data-start=\"2743\" data-end=\"2815\">5. B\u1ecf qua ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 sau khi l\u1eafp \u2013 thi\u1ebft b\u1ecb b\u1ecb \u201cch\u1ebft l\u00e2m s\u00e0ng\u201d<\/strong><\/h3>\n<p data-start=\"2817\" data-end=\"2933\">R\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb DSC l\u1eafp xong nh\u01b0ng kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c test l\u1ea1i. M\u1ed9t s\u1ed1 l\u1ed7i ch\u1ec9 ph\u00e1t hi\u1ec7n sau\u2026 khi t\u00e0u \u0111\u00e3 r\u1eddi b\u1ebfn:<\/p>\n<ul data-start=\"2935\" data-end=\"3047\">\n<li data-start=\"2935\" data-end=\"2954\">\n<p data-start=\"2937\" data-end=\"2954\">Kh\u00f4ng l\u00ean ngu\u1ed3n<\/p>\n<\/li>\n<li data-start=\"2955\" data-end=\"2980\">\n<p data-start=\"2957\" data-end=\"2980\">Kh\u00f4ng hi\u1ec3n th\u1ecb t\u1ecda \u0111\u1ed9<\/p>\n<\/li>\n<li data-start=\"2981\" data-end=\"3011\">\n<p data-start=\"2983\" data-end=\"3011\">Kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c qua k\u00eanh 70<\/p>\n<\/li>\n<li data-start=\"3012\" data-end=\"3047\">\n<p data-start=\"3014\" data-end=\"3047\">Ph\u00edm Distress k\u1eb9t, kh\u00f4ng ph\u1ea3n h\u1ed3i<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3049\" data-end=\"3169\">\u2705 <strong data-start=\"3051\" data-end=\"3065\">Gi\u1ea3i ph\u00e1p:<\/strong> Sau l\u1eafp \u0111\u1eb7t, th\u1ef1c hi\u1ec7n ki\u1ec3m tra to\u00e0n b\u1ed9 ch\u1ee9c n\u0103ng. N\u00ean t\u1ea1o checklist test DSC \u0111\u1ecbnh k\u1ef3 (h\u00e0ng th\u00e1ng\/qu\u00fd).<\/p>\n<h3 data-start=\"3176\" data-end=\"3218\">\ud83d\udccc <strong data-start=\"3183\" data-end=\"3218\">T\u1ed5ng h\u1ee3p: B\u1ea3ng l\u1ed7i &amp; c\u00e1ch tr\u00e1nh<\/strong><\/h3>\n<div class=\"_tableContainer_80l1q_1\">\n<div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 278px;\" width=\"783\" data-start=\"3220\" data-end=\"3609\">\n<thead data-start=\"3220\" data-end=\"3259\">\n<tr data-start=\"3220\" data-end=\"3259\">\n<th style=\"text-align: center;\" data-start=\"3220\" data-end=\"3235\" data-col-size=\"sm\">L\u1ed7i VHF DSC ph\u1ed5 bi\u1ebfn<\/th>\n<th data-start=\"3235\" data-end=\"3245\" data-col-size=\"sm\">H\u1eadu qu\u1ea3<\/th>\n<th data-start=\"3245\" data-end=\"3259\" data-col-size=\"sm\">C\u00e1ch tr\u00e1nh<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3301\" data-end=\"3609\">\n<tr data-start=\"3301\" data-end=\"3375\">\n<td data-start=\"3301\" data-end=\"3328\" data-col-size=\"sm\">Thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u1ea1t chu\u1ea9n<\/td>\n<td data-col-size=\"sm\" data-start=\"3328\" data-end=\"3346\">Kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c<\/td>\n<td data-col-size=\"sm\" data-start=\"3346\" data-end=\"3375\">Mua thi\u1ebft b\u1ecb c\u00f3 GMDSS\/MED<\/td>\n<\/tr>\n<tr data-start=\"3376\" data-end=\"3432\">\n<td data-start=\"3376\" data-end=\"3396\" data-col-size=\"sm\">Kh\u00f4ng k\u1ebft n\u1ed1i GPS<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"3396\" data-end=\"3409\">M\u1ea5t t\u1ecda \u0111\u1ed9<\/td>\n<td data-col-size=\"sm\" data-start=\"3409\" data-end=\"3432\">K\u1ebft n\u1ed1i &amp; test NMEA<\/td>\n<\/tr>\n<tr data-start=\"3433\" data-end=\"3491\">\n<td data-start=\"3433\" data-end=\"3454\" data-col-size=\"sm\">Sai anten \/ v\u1ecb tr\u00ed<\/td>\n<td data-col-size=\"sm\" data-start=\"3454\" data-end=\"3465\">S\u00f3ng y\u1ebfu<\/td>\n<td data-col-size=\"sm\" data-start=\"3465\" data-end=\"3491\">D\u00f9ng anten chuy\u00ean d\u1ee5ng<\/td>\n<\/tr>\n<tr data-start=\"3492\" data-end=\"3549\">\n<td data-start=\"3492\" data-end=\"3509\" data-col-size=\"sm\">Kh\u00f4ng ti\u1ebfp \u0111\u1ecba<\/td>\n<td data-col-size=\"sm\" data-start=\"3509\" data-end=\"3523\">H\u01b0 thi\u1ebft b\u1ecb<\/td>\n<td data-col-size=\"sm\" data-start=\"3523\" data-end=\"3549\">Ki\u1ec3m tra n\u1ed1i \u0111\u1ea5t chu\u1ea9n<\/td>\n<\/tr>\n<tr data-start=\"3550\" data-end=\"3609\">\n<td data-start=\"3550\" data-end=\"3571\" data-col-size=\"sm\">Kh\u00f4ng test sau l\u1eafp<\/td>\n<td data-col-size=\"sm\" data-start=\"3571\" data-end=\"3589\">Kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td data-col-size=\"sm\" data-start=\"3589\" data-end=\"3609\">Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 data-start=\"3616\" data-end=\"3634\">\u2705 <strong data-start=\"3622\" data-end=\"3634\">K\u1ebft lu\u1eadn<\/strong><\/h3>\n<p data-start=\"3636\" data-end=\"3846\">M\u1ed9t thi\u1ebft b\u1ecb VHF DSC ch\u1ec9 ph\u00e1t huy \u0111\u00fang hi\u1ec7u qu\u1ea3 <strong data-start=\"3684\" data-end=\"3741\">khi \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u00fang \u2013 l\u1eafp \u0111\u00fang \u2013 v\u00e0 ki\u1ec3m tra \u0111\u00fang c\u00e1ch<\/strong>.<br data-start=\"3742\" data-end=\"3745\" \/><strong data-start=\"3745\" data-end=\"3845\">L\u1ed7i nh\u1ecf trong l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u c\u1ea5p c\u1ee9u kh\u00f4ng bao gi\u1edd \u0111\u1ebfn \u0111\u01b0\u1ee3c v\u1edbi trung t\u00e2m c\u1ee9u n\u1ea1n<\/strong>.<\/p>\n<p data-start=\"3848\" data-end=\"3976\">\ud83d\udc49 Ch\u1ee7 t\u00e0u v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u1ea7n coi tr\u1ecdng ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt, kh\u00f4ng v\u00ec ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 \u0111\u00e1nh \u0111\u1ed5i s\u1ef1 an to\u00e0n c\u1ee7a c\u1ea3 con t\u00e0u.<\/p>\n<h3><strong>Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i, Hotline: 097 800 1968 (\u0110T\/Zalo), \u0111\u1ec3 c\u00f3 th\u00eam th\u00f4ng tin !<\/strong><\/h3>\n<div>LINK<\/div>\n<div>\n<div><a href=\"https:\/\/www.dnv.com\/maritime\/ship-classification\/\" target=\"_blank\" rel=\"noopener\">DNV<\/a><\/div>\n<div><a href=\"https:\/\/ww2.eagle.org\/en.html\" target=\"_blank\" rel=\"noopener\">ABS<\/a><\/div>\n<div><a href=\"https:\/\/www.classnk.or.jp\/hp\/en\/index.html\" target=\"_blank\" rel=\"noopener\">NK<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/tieu-chuan-cho-phan-xa-radar-msc-510105\/\" target=\"_blank\" rel=\"noopener\">CCS<\/a><\/div>\n<div><a href=\"http:\/\/www.vr.org.vn\/\" target=\"_blank\" rel=\"noopener\">VR<\/a><\/div>\n<div><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/bo-phan-vhf-dsc\/\">C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a VHF<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/tieu-chi-lua-chon-vhf-dsc-la-gi\/\">Ti\u00eau ch\u00ed l\u1ee5a ch\u1ecdn VHF DSC Class A<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/tieu-chuan-imo-vhf-dsc-class-a-msc-511105\/\">Ti\u00eau chu\u1ea9n IMO v\u1ec1 VHF Class A<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/yeu-cau-cua-imo-ve-vhf-dsc-class-a\/\">C\u1eadp nh\u1eadt y\u00eau c\u1ea7u c\u1ee7a IMO t\u1eeb 2024<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/nvr-3000-ads5\/\">5 l\u00fd do l\u1ef1a chon NVR-3000<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/nvr-3000-specification\/\">Specification c\u1ee7a SP<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/dsc\/\">DSC l\u00e0 g\u00ec ?<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/may-bo-dam-hang-hai-truc-canh-vhf-gmdss-dsc-la-gi\/\">B\u1ed9 \u0111\u00e0m tr\u1ef1c canh l\u00e0 g\u00ec ?<\/a><\/div>\n<div><a href=\"https:\/\/youtu.be\/EoovsRCde0I?si=-c00-L_sU7ZtKHh9\" target=\"_blank\" rel=\"noopener\">Video Unbox S\u1ea3n Ph\u1ea9m<\/a><\/div>\n<div><a href=\"https:\/\/youtu.be\/KgdQ6CIBsDY?si=uFh83yJEZOtUI8AB\" target=\"_blank\" rel=\"noopener\">Th\u1ee7y th\u1ee7 S\u01a1n Boong test S\u1ea3n Ph\u1ea9m<\/a><\/div>\n<div><a href=\"https:\/\/youtu.be\/Ru_-TLwcF5U?si=Ftrlpl_X3VJNBe-T\" target=\"_blank\" rel=\"noopener\">Video c\u00e1ch test DSC<\/a><\/div>\n<div><a href=\"https:\/\/youtu.be\/PtOuBbDI2pg?si=343izpZdlz0Tsq11\" target=\"_blank\" rel=\"noopener\">Video C\u00e1ch Test DSC weekly\u00a0<\/a><\/div>\n<div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>L\u1eafp \u0111\u1eb7t sai thi\u1ebft b\u1ecb g\u00e2y l\u1ed7i VHF DSC c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u c\u1ea5p c\u1ee9u kh\u00f4ng \u0111\u1ebfn n\u01a1i R\u1ea5t nhi\u1ec1u s\u1ef1 c\u1ed1 tr\u00ean bi\u1ec3n b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c ch\u1ecdn sai lo\u1ea1i thi\u1ebft b\u1ecb ho\u1eb7c l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang ti\u00eau chu\u1ea9n, d\u1eabn \u0111\u1ebfn h\u1ec7 th\u1ed1ng DSC kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang l\u00fac c\u1ea7n thi\u1ebft. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i sai ph\u1ed5 bi\u1ebfn nh\u1ea5t khi ch\u1ecdn mua v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb VHF DSC, c\u00f9ng c\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u1ec3 b\u1ea1n tr\u00e1nh l\u1eb7p l\u1ea1i. \u274c 1. Ch\u1ecdn thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u1ea1t chu\u1ea9n GMDSS \/ kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 MED M\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb v\u00ec ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb VHF kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng DSC ho\u1eb7c s\u1eed d\u1ee5ng h\u00e0ng tr\u00f4i n\u1ed5i kh\u00f4ng c\u00f3 ch\u1ee9ng nh\u1eadn. \u27a1\ufe0f H\u1eadu qu\u1ea3: Kh\u00f4ng ph\u00e1t \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u distress theo k\u00eanh 70, kh\u00f4ng t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c v\u1edbi MRCC, kh\u00f4ng h\u1ee3p l\u1ec7 khi \u0111\u0103ng ki\u1ec3m. \u2705 Gi\u1ea3i ph\u00e1p: Lu\u00f4n ki\u1ec3m tra gi\u1ea5y ch\u1ee9ng nh\u1eadn GMDSS, MED, CCS\u2026 khi mua thi\u1ebft b\u1ecb. \u01afu ti\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ki\u1ec3m \u0111\u1ecbnh qu\u1ed1c t\u1ebf r\u00f5 r\u00e0ng. \u274c 2. Kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi GPS ho\u1eb7c \u0111\u1ea5u sai c\u1ed5ng NMEA Nhi\u1ec1u thi\u1ebft b\u1ecb DSC hi\u1ec7n \u0111\u1ea1i y\u00eau c\u1ea7u t\u00edn hi\u1ec7u GPS \u0111\u1ec3 ch\u00e8n v\u1ecb tr\u00ed v\u00e0o g\u00f3i tin DSC. Tuy nhi\u00ean, do thi\u1ebfu ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt, m\u1ed9t s\u1ed1 t\u00e0u: Kh\u00f4ng k\u1ebft n\u1ed1i GPS K\u1ebft n\u1ed1i sai ch\u00e2n NMEA (NMEA+ v\u1edbi NMEA\u2013) D\u00f9ng GPS ngo\u00e0i kh\u00f4ng t\u01b0\u01a1ng th\u00edch \u27a1\ufe0f H\u1eadu qu\u1ea3: Tin nh\u1eafn Distress kh\u00f4ng c\u00f3 t\u1ecda \u0111\u1ed9 \u2192 MRCC kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed ng\u01b0\u1eddi c\u1ea7n c\u1ee9u. \u2705 Gi\u1ea3i ph\u00e1p: Ki\u1ec3m tra t\u00edn hi\u1ec7u GPS hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. Test th\u1eed tin DSC \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00f3 ch\u00e8n v\u1ecb tr\u00ed. \u274c 3. L\u1eafp sai anten \u2013 d\u00e2y d\u1eabn k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c v\u1ecb tr\u00ed anten b\u1ecb ch\u1eafn DSC d\u00f9ng anten VHF ri\u00eang, ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng anten. C\u00e1c l\u1ed7i VHF DSC\u00a0 th\u01b0\u1eddng g\u1eb7p: D\u00f9ng chung anten v\u1edbi VHF th\u01b0\u1eddng \u2192 nhi\u1ec5u s\u00f3ng D\u00e2y c\u00e1p \u0111\u1ed3ng tr\u1ee5c ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p, qu\u00e1 d\u00e0i L\u1eafp anten d\u01b0\u1edbi boong, b\u1ecb che b\u1edfi c\u1ea9u, container&#8230; \u27a1\ufe0f H\u1eadu qu\u1ea3: T\u00edn hi\u1ec7u DSC y\u1ebfu, kh\u00f4ng ph\u00e1t xa \u2192 kh\u00f4ng ai nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u c\u1ea7u c\u1ee9u. \u2705 Gi\u1ea3i ph\u00e1p: S\u1eed d\u1ee5ng anten chuy\u00ean d\u1ee5ng VHF DSC, d\u00e2y RG-58 ho\u1eb7c RG-213 ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3, anten l\u1eafp \u1edf v\u1ecb tr\u00ed cao \u2013 kh\u00f4ng b\u1ecb ch\u1eafn. \u274c 4. Kh\u00f4ng n\u1ed1i ti\u1ebfp \u0111\u1ecba \u0111\u00fang chu\u1ea9n (grounding) Thi\u1ebft b\u1ecb DSC c\u1ea7n n\u1ed1i \u0111\u1ea5t \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec3 tr\u00e1nh t\u0129nh \u0111i\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o truy\u1ec1n s\u00f3ng \u1ed5n \u0111\u1ecbnh. Nhi\u1ec1u t\u00e0u ch\u1ec9 n\u1ed1i d\u00e2y \u201ccho c\u00f3\u201d, kh\u00f4ng ki\u1ec3m tra th\u00f4ng m\u1ea1ch, ho\u1eb7c kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba chu\u1ea9n tr\u00ean t\u00e0u \u27a1\ufe0f H\u1eadu qu\u1ea3: D\u1ec5 h\u1ecfng thi\u1ebft b\u1ecb, t\u00edn hi\u1ec7u y\u1ebfu, nguy c\u01a1 ch\u1eadp ch\u00e1y. \u2705 Gi\u1ea3i ph\u00e1p: S\u1eed d\u1ee5ng thanh ti\u1ebfp \u0111\u1ecba \u0111\u1ed3ng, ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean (n\u00ean &lt; 1 ohm). \u274c 5. B\u1ecf qua ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 sau khi l\u1eafp \u2013 thi\u1ebft b\u1ecb b\u1ecb \u201cch\u1ebft l\u00e2m s\u00e0ng\u201d R\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb DSC l\u1eafp xong nh\u01b0ng kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c test l\u1ea1i. M\u1ed9t s\u1ed1 l\u1ed7i ch\u1ec9 ph\u00e1t hi\u1ec7n sau\u2026 khi t\u00e0u \u0111\u00e3 r\u1eddi b\u1ebfn: Kh\u00f4ng l\u00ean ngu\u1ed3n Kh\u00f4ng hi\u1ec3n th\u1ecb t\u1ecda \u0111\u1ed9 Kh\u00f4ng g\u1ecdi \u0111\u01b0\u1ee3c qua k\u00eanh 70 Ph\u00edm Distress k\u1eb9t, kh\u00f4ng ph\u1ea3n h\u1ed3i \u2705 Gi\u1ea3i ph\u00e1p: Sau l\u1eafp \u0111\u1eb7t, th\u1ef1c hi\u1ec7n ki\u1ec3m tra to\u00e0n b\u1ed9 ch\u1ee9c n\u0103ng. N\u00ean t\u1ea1o checklist test DSC \u0111\u1ecbnh k\u1ef3 (h\u00e0ng th\u00e1ng\/qu\u00fd). \ud83d\udccc T\u1ed5ng h\u1ee3p: B\u1ea3ng l\u1ed7i &amp; c\u00e1ch tr\u00e1nh L\u1ed7i VHF DSC ph\u1ed5 bi\u1ebfn H\u1eadu qu\u1ea3 C\u00e1ch tr\u00e1nh Thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u1ea1t chu\u1ea9n Kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c Mua thi\u1ebft b\u1ecb c\u00f3 GMDSS\/MED Kh\u00f4ng k\u1ebft n\u1ed1i GPS M\u1ea5t t\u1ecda \u0111\u1ed9 K\u1ebft n\u1ed1i &amp; test NMEA Sai anten \/ v\u1ecb tr\u00ed S\u00f3ng y\u1ebfu D\u00f9ng anten chuy\u00ean d\u1ee5ng Kh\u00f4ng ti\u1ebfp \u0111\u1ecba H\u01b0 thi\u1ebft b\u1ecb Ki\u1ec3m tra n\u1ed1i \u0111\u1ea5t chu\u1ea9n Kh\u00f4ng test sau l\u1eafp Kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u2705 K\u1ebft lu\u1eadn M\u1ed9t thi\u1ebft b\u1ecb VHF DSC ch\u1ec9 ph\u00e1t huy \u0111\u00fang hi\u1ec7u qu\u1ea3 khi \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u00fang \u2013 l\u1eafp \u0111\u00fang \u2013 v\u00e0 ki\u1ec3m tra \u0111\u00fang c\u00e1ch.L\u1ed7i nh\u1ecf trong l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u c\u1ea5p c\u1ee9u kh\u00f4ng bao gi\u1edd \u0111\u1ebfn \u0111\u01b0\u1ee3c v\u1edbi trung t\u00e2m c\u1ee9u n\u1ea1n. \ud83d\udc49 Ch\u1ee7 t\u00e0u v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u1ea7n coi tr\u1ecdng ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt, kh\u00f4ng v\u00ec ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 \u0111\u00e1nh \u0111\u1ed5i s\u1ef1 an to\u00e0n c\u1ee7a c\u1ea3 con t\u00e0u. Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i, Hotline: 097 800 1968 (\u0110T\/Zalo), \u0111\u1ec3 c\u00f3 th\u00eam th\u00f4ng tin ! LINK DNV ABS NK CCS VR C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a VHF Ti\u00eau ch\u00ed l\u1ee5a ch\u1ecdn VHF DSC Class A Ti\u00eau chu\u1ea9n IMO v\u1ec1 VHF Class A C\u1eadp nh\u1eadt y\u00eau c\u1ea7u c\u1ee7a IMO t\u1eeb 2024 5 l\u00fd do l\u1ef1a chon NVR-3000 Specification c\u1ee7a SP DSC l\u00e0 g\u00ec ? B\u1ed9 \u0111\u00e0m tr\u1ef1c canh l\u00e0 g\u00ec ? Video Unbox S\u1ea3n Ph\u1ea9m Th\u1ee7y th\u1ee7 S\u01a1n Boong test S\u1ea3n Ph\u1ea9m Video c\u00e1ch test DSC Video C\u00e1ch Test DSC weekly\u00a0<\/p>","protected":false},"author":1,"featured_media":4756,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158],"tags":[],"class_list":["post-4754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-update-news"],"_links":{"self":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/comments?post=4754"}],"version-history":[{"count":2,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4754\/revisions"}],"predecessor-version":[{"id":4757,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4754\/revisions\/4757"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media\/4756"}],"wp:attachment":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media?parent=4754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/categories?post=4754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/tags?post=4754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}