{"id":4805,"date":"2025-10-31T09:03:48","date_gmt":"2025-10-31T02:03:48","guid":{"rendered":"https:\/\/antoanhanghai.com\/?p=4805"},"modified":"2025-11-01T20:55:26","modified_gmt":"2025-11-01T13:55:26","slug":"su-dung-speed-log","status":"publish","type":"post","link":"https:\/\/antoanhanghai.com\/en\/su-dung-speed-log\/","title":{"rendered":"T\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng Doppler Speed Log \u2013 M\u1eb9o v\u00e0 kinh nghi\u1ec7m th\u1ef1c chi\u1ebfn t\u1eeb k\u1ef9 s\u01b0 h\u00e0ng h\u1ea3i"},"content":{"rendered":"<p data-start=\"255\" data-end=\"575\"><strong data-start=\"255\" data-end=\"282\">Doppler Speed Log (DSL)<\/strong> l\u00e0 thi\u1ebft b\u1ecb \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u qua n\u01b0\u1edbc v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb, d\u1eabn \u0111\u01b0\u1eddng v\u00e0 l\u01b0u tr\u1eef h\u00e0nh tr\u00ecnh. Tuy nhi\u00ean, d\u00f9 thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng hi\u1ec3u c\u00e1ch khai th\u00e1c t\u1ed1i \u0111a t\u00ednh n\u0103ng, hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh s\u1ebd kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i.<\/p>\n<p data-start=\"577\" data-end=\"747\">V\u1edbi h\u01a1n 10 n\u0103m l\u00e0m vi\u1ec7c trong ng\u00e0nh Nav &amp; Comm, t\u00f4i xin chia s\u1ebb 6 m\u1eb9o quan tr\u1ecdng gi\u00fap <strong data-start=\"663\" data-end=\"708\">t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng Speed Log<\/strong> trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf tr\u00ean t\u00e0u bi\u1ec3n.<\/p>\n<h3 data-start=\"754\" data-end=\"838\"><strong data-start=\"758\" data-end=\"838\">1. K\u00edch ho\u1ea1t ch\u1ebf \u0111\u1ed9 AUTO fallback \u2013 chuy\u1ec3n \u0111\u1ed5i linh ho\u1ea1t gi\u1eefa Doppler v\u00e0 GPS<\/strong><\/h3>\n<p data-start=\"840\" data-end=\"968\">\ud83d\udca1 M\u1ed9t thi\u1ebft b\u1ecb DSL t\u1ed1t n\u00ean h\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng gi\u1eefa \u0111o Doppler v\u00e0 t\u00edn hi\u1ec7u GPS (trong tr\u01b0\u1eddng h\u1ee3p t\u00edn hi\u1ec7u \u00e2m kh\u00f4ng \u0111\u1ee7).<\/p>\n<p data-start=\"970\" data-end=\"995\">\u2705 <strong data-start=\"972\" data-end=\"993\">Khi n\u00e0o c\u1ea7n AUTO:<\/strong><\/p>\n<ul data-start=\"996\" data-end=\"1123\">\n<li data-start=\"996\" data-end=\"1062\">\n<p data-start=\"998\" data-end=\"1062\">T\u00e0u v\u00e0o v\u00f9ng n\u01b0\u1edbc qu\u00e1 s\u00e2u (\u0111\u00e1y &gt;200m), n\u01b0\u1edbc l\u1ea1nh, plankton \u00edt.<\/p>\n<\/li>\n<li data-start=\"1063\" data-end=\"1123\">\n<p data-start=\"1065\" data-end=\"1123\">Nhi\u1ec1u b\u1ecdt kh\u00ed ho\u1eb7c nhi\u1ec5u sonar khi\u1ebfn Doppler m\u1ea5t t\u00edn hi\u1ec7u.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1125\" data-end=\"1259\">\ud83c\udfaf <strong data-start=\"1128\" data-end=\"1136\">M\u1eb9o:<\/strong> \u0110\u1ec3 thi\u1ebft b\u1ecb \u1edf ch\u1ebf \u0111\u1ed9 <strong data-start=\"1158\" data-end=\"1166\">AUTO<\/strong> m\u1eb7c \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c ngay c\u1ea3 khi t\u00edn hi\u1ec7u Doppler y\u1ebfu ho\u1eb7c m\u1ea5t.<\/p>\n<h3 data-start=\"1266\" data-end=\"1326\"><strong data-start=\"1270\" data-end=\"1326\">2. \u0110i\u1ec1u ch\u1ec9nh Speed Offset \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9<\/strong><\/h3>\n<p data-start=\"1328\" data-end=\"1457\">Trong th\u1ef1c t\u1ebf, c\u00f3 th\u1ec3 x\u1ea3y ra l\u1ec7ch gi\u1eefa t\u1ed1c \u0111\u1ed9 Doppler v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1eeb AIS\/GPS, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u quay v\u00f2ng ho\u1eb7c ch\u1ea1y d\u01b0\u1edbi s\u00f3ng ng\u01b0\u1ee3c.<\/p>\n<p data-start=\"1459\" data-end=\"1477\">\u2705 <strong data-start=\"1461\" data-end=\"1475\">Gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n<ul data-start=\"1478\" data-end=\"1643\">\n<li data-start=\"1478\" data-end=\"1554\">\n<p data-start=\"1480\" data-end=\"1554\">Sau khi l\u1eafp \u0111\u1eb7t v\u00e0 th\u1eed t\u00e0u, so s\u00e1nh t\u1ed1c \u0111\u1ed9 Doppler v\u1edbi GPS ho\u1eb7c log AIS.<\/p>\n<\/li>\n<li data-start=\"1555\" data-end=\"1643\">\n<p data-start=\"1557\" data-end=\"1643\">N\u1ebfu l\u1ec7ch \u00b10.1\u20130.3 knots \u2192 truy c\u1eadp menu k\u1ef9 thu\u1eadt, nh\u1eadp <strong data-start=\"1612\" data-end=\"1628\">Speed Offset<\/strong> \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1645\" data-end=\"1752\">\ud83d\udccc \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi d\u1eef li\u1ec7u DSL \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n CPA\/TCPA tr\u00ean radar ho\u1eb7c l\u01b0u tr\u1eef v\u00e0o VDR.<\/p>\n<h3 data-start=\"1759\" data-end=\"1833\"><strong data-start=\"1763\" data-end=\"1833\">3. S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 Debug ho\u1eb7c Simulation \u0111\u1ec3 ki\u1ec3m tra d\u1eef li\u1ec7u \u0111\u1ea7u ra<\/strong><\/h3>\n<p data-start=\"1835\" data-end=\"1935\">M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb DSL hi\u1ec7n \u0111\u1ea1i c\u00f3 t\u00ednh n\u0103ng <strong data-start=\"1877\" data-end=\"1891\">Debug Mode<\/strong> ho\u1eb7c <strong data-start=\"1897\" data-end=\"1918\">Simulation Output<\/strong>, cho ph\u00e9p k\u1ef9 s\u01b0:<\/p>\n<ul data-start=\"1937\" data-end=\"2063\">\n<li data-start=\"1937\" data-end=\"2001\">\n<p data-start=\"1939\" data-end=\"2001\">M\u00f4 ph\u1ecfng t\u00edn hi\u1ec7u \u0111o \u2192 ph\u1ee5c v\u1ee5 test h\u1ec7 th\u1ed1ng khi t\u00e0u n\u1eb1m b\u1edd.<\/p>\n<\/li>\n<li data-start=\"2002\" data-end=\"2063\">\n<p data-start=\"2004\" data-end=\"2063\">Ki\u1ec3m tra d\u1eef li\u1ec7u NMEA \u0111\u1ea7u ra: <code data-start=\"2034\" data-end=\"2042\">$IIVBW<\/code>, <code data-start=\"2044\" data-end=\"2052\">$IIVLW<\/code>, <code data-start=\"2054\" data-end=\"2062\">$IIVTG<\/code>\u2026<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2065\" data-end=\"2173\">\u2705 <strong data-start=\"2067\" data-end=\"2083\">M\u1eb9o th\u1ef1c t\u1ebf:<\/strong> S\u1eed d\u1ee5ng debug gi\u00fap b\u1ea1n test k\u1ebft n\u1ed1i v\u1edbi radar, autopilot, VDR\u2026 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ee3i t\u00e0u ch\u1ea1y.<\/p>\n<h3 data-start=\"2180\" data-end=\"2239\"><strong data-start=\"2184\" data-end=\"2239\">4. Theo d\u00f5i \u0111\u1ecbnh k\u1ef3 tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o &amp; relay l\u1ed7i<\/strong><\/h3>\n<p data-start=\"2241\" data-end=\"2399\">DSL th\u01b0\u1eddng c\u00f3 relay c\u1ea3nh b\u00e1o m\u1ea5t Doppler, l\u1ed7i ngu\u1ed3n, l\u1ed7i transducer. Tuy nhi\u00ean, tr\u00ean nhi\u1ec1u t\u00e0u, c\u1ea3nh b\u00e1o n\u00e0y <strong data-start=\"2350\" data-end=\"2398\">b\u1ecb t\u1eaft ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean<\/strong>.<\/p>\n<p data-start=\"2401\" data-end=\"2416\">\ud83d\udccc <strong data-start=\"2404\" data-end=\"2414\">G\u1ee3i \u00fd:<\/strong><\/p>\n<ul data-start=\"2417\" data-end=\"2623\">\n<li data-start=\"2417\" data-end=\"2485\">\n<p data-start=\"2419\" data-end=\"2485\">\u0110\u1ea5u relay c\u1ea3nh b\u00e1o v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng chung (BNWAS ho\u1eb7c ECR).<\/p>\n<\/li>\n<li data-start=\"2486\" data-end=\"2560\">\n<p data-start=\"2488\" data-end=\"2560\">M\u1ed7i tu\u1ea7n ki\u1ec3m tra tr\u1ea1ng th\u00e1i hi\u1ec3n th\u1ecb xem c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng l\u1ed7i n\u00e0o kh\u00f4ng.<\/p>\n<\/li>\n<li data-start=\"2561\" data-end=\"2623\">\n<p data-start=\"2563\" data-end=\"2623\">Ghi l\u1ea1i nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng n\u1ebfu thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 <strong data-start=\"2609\" data-end=\"2622\">Error Log<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2630\" data-end=\"2679\"><strong data-start=\"2634\" data-end=\"2679\">5. Ki\u1ec3m tra v\u00e0 v\u1ec7 sinh transducer \u0111\u1ecbnh k\u1ef3<\/strong><\/h3>\n<p data-start=\"2681\" data-end=\"2813\">B\u00e1m h\u00e0, rong bi\u1ec3n, b\u00f9n bi\u1ec3n\u2026 l\u00e0 k\u1ebb th\u00f9 th\u1ea7m l\u1eb7ng c\u1ee7a transducer. N\u1ebfu m\u1eb7t c\u1ea3m bi\u1ebfn b\u1ecb che ph\u1ee7, t\u00edn hi\u1ec7u Doppler s\u1ebd y\u1ebfu ho\u1eb7c sai l\u1ec7ch.<\/p>\n<p data-start=\"2815\" data-end=\"2829\">\u2705 Th\u1ef1c hi\u1ec7n:<\/p>\n<ul data-start=\"2830\" data-end=\"2985\">\n<li data-start=\"2830\" data-end=\"2874\">\n<p data-start=\"2832\" data-end=\"2874\">Khi t\u00e0u drydock, th\u00e1o ki\u1ec3m tra c\u1ea3m bi\u1ebfn.<\/p>\n<\/li>\n<li data-start=\"2875\" data-end=\"2929\">\n<p data-start=\"2877\" data-end=\"2929\">V\u1ec7 sinh b\u1eb1ng kh\u0103n m\u1ec1m, kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t \u0103n m\u00f2n.<\/p>\n<\/li>\n<li data-start=\"2930\" data-end=\"2985\">\n<p data-start=\"2932\" data-end=\"2985\">Ki\u1ec3m tra l\u1edbp epoxy b\u1ea3o v\u1ec7, ch\u1ed1ng n\u01b0\u1edbc c\u00f2n nguy\u00ean v\u1eb9n.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2987\" data-end=\"3106\">\ud83d\udca1 <strong data-start=\"2990\" data-end=\"2998\">M\u1eb9o:<\/strong> Ghi nh\u1eadt k\u00fd ng\u00e0y v\u1ec7 sinh g\u1ea7n nh\u1ea5t \u2013 nhi\u1ec1u t\u00e0u qu\u00ean v\u00e0 ph\u1ea3i thay c\u1ea3 transducer v\u00ec \u0111\u1ec3 qu\u00e1 l\u00e2u kh\u00f4ng ki\u1ec3m tra.<\/p>\n<h3 data-start=\"3113\" data-end=\"3169\"><strong data-start=\"3117\" data-end=\"3169\">6. Hu\u1ea5n luy\u1ec7n thuy\u1ec1n vi\u00ean s\u1eed d\u1ee5ng Speed Log \u0111\u00fang t\u00ednh n\u0103ng<\/strong><\/h3>\n<p data-start=\"3171\" data-end=\"3344\">Thi\u1ebft b\u1ecb c\u00e0ng hi\u1ec7n \u0111\u1ea1i, thao t\u00e1c c\u00e0ng c\u1ea7n \u0111\u01a1n gi\u1ea3n, r\u00f5 r\u00e0ng. Tuy nhi\u00ean, n\u1ebfu thuy\u1ec1n vi\u00ean kh\u00f4ng bi\u1ebft c\u00e1ch ki\u1ec3m tra tr\u1ea1ng th\u00e1i ho\u1eb7c chuy\u1ec3n ch\u1ebf \u0111\u1ed9 \u2192 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn v\u1eadn h\u00e0nh sai.<\/p>\n<p data-start=\"3346\" data-end=\"3358\">\u2705 N\u00ean l\u00e0m:<\/p>\n<ul data-start=\"3359\" data-end=\"3540\">\n<li data-start=\"3359\" data-end=\"3428\">\n<p data-start=\"3361\" data-end=\"3428\">H\u01b0\u1edbng d\u1eabn thuy\u1ec1n vi\u00ean thao t\u00e1c chuy\u1ec3n mode, xem t\u1ed1c \u0111\u1ed9, c\u1ea3nh b\u00e1o.<\/p>\n<\/li>\n<li data-start=\"3429\" data-end=\"3480\">\n<p data-start=\"3431\" data-end=\"3480\">In b\u1ea3ng h\u01b0\u1edbng d\u1eabn r\u00fat g\u1ecdn d\u00e1n g\u1ea7n m\u00e0n h\u00ecnh DSL.<\/p>\n<\/li>\n<li data-start=\"3481\" data-end=\"3540\">\n<p data-start=\"3483\" data-end=\"3540\">Kh\u00f3a menu k\u1ef9 thu\u1eadt n\u1ebfu kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3547\" data-end=\"3563\"><strong data-start=\"3551\" data-end=\"3563\">K\u1ebft lu\u1eadn<\/strong><\/h3>\n<p data-start=\"3565\" data-end=\"3850\"><strong data-start=\"663\" data-end=\"708\">S\u1eed d\u1ee5ng Speed Log<\/strong> ch\u1ec9 ph\u00e1t huy h\u1ebft gi\u00e1 tr\u1ecb khi ng\u01b0\u1eddi d\u00f9ng <strong data-start=\"3636\" data-end=\"3708\">hi\u1ec3u r\u00f5 t\u00ednh n\u0103ng, bi\u1ebft hi\u1ec7u ch\u1ec9nh ph\u00f9 h\u1ee3p v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang quy tr\u00ecnh<\/strong>. Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea7n g\u1ecdi k\u1ef9 s\u01b0 \u2013 \u0111\u00f4i khi ch\u1ec9 c\u1ea7n b\u1ea1n hi\u1ec3u thi\u1ebft b\u1ecb \u0111ang v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o l\u00e0 \u0111\u1ee7 \u0111\u1ec3 gi\u1eef h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3>Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn t\u01b0 v\u1ea5n chi ti\u1ebft !\u00a0<strong>097 800 1968 (DT\/Zalo)<\/strong><\/h3>\n<p>Link :<\/p>\n<p><a href=\"https:\/\/youtu.be\/Yx8801cnQCo?si=DvBhrVwu9mgRm30p\" target=\"_blank\" rel=\"noopener\">Video Unbox S\u1ea3n Ph\u1ea9m<\/a><\/p>\n<p><a href=\"https:\/\/antoanhanghai.com\/en\/product\/do-toc-do-ds-99\/\">S\u1ea3n ph\u1ea9m<\/a><\/p>\n<p><a href=\"https:\/\/www.imo.org\/en\" target=\"_blank\" rel=\"noopener\">IMO :<\/a><br \/>\n<a href=\"http:\/\/www.vr.org.vn\/\" target=\"_blank\" rel=\"noopener\">VR:<\/a><br \/>\n<a href=\"https:\/\/www.classnk.or.jp\/hp\/en\/index.html\" target=\"_blank\" rel=\"noopener\">NK<\/a><br \/>\n<a href=\"https:\/\/marine-offshore.bureauveritas.com\/marine\/ship-classification\" target=\"_blank\" rel=\"noopener\">BV<\/a><br \/>\n<a href=\"https:\/\/ww2.eagle.org\/en.html\" target=\"_blank\" rel=\"noopener\">ABS<\/a><br \/>\n<a href=\"https:\/\/www.ccs.org.cn\/ccswzen\/\" target=\"_blank\" rel=\"noopener\">CCS<\/a><\/p>\n<p>&nbsp;<\/p>\n<p data-start=\"3565\" data-end=\"3850\">","protected":false},"excerpt":{"rendered":"<p>Doppler Speed Log (DSL) l\u00e0 thi\u1ebft b\u1ecb \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u qua n\u01b0\u1edbc v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb, d\u1eabn \u0111\u01b0\u1eddng v\u00e0 l\u01b0u tr\u1eef h\u00e0nh tr\u00ecnh. Tuy nhi\u00ean, d\u00f9 thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng hi\u1ec3u c\u00e1ch khai th\u00e1c t\u1ed1i \u0111a t\u00ednh n\u0103ng, hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh s\u1ebd kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i. V\u1edbi h\u01a1n 10 n\u0103m l\u00e0m vi\u1ec7c trong ng\u00e0nh Nav &amp; Comm, t\u00f4i xin chia s\u1ebb 6 m\u1eb9o quan tr\u1ecdng gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng Speed Log trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf tr\u00ean t\u00e0u bi\u1ec3n. 1. K\u00edch ho\u1ea1t ch\u1ebf \u0111\u1ed9 AUTO fallback \u2013 chuy\u1ec3n \u0111\u1ed5i linh ho\u1ea1t gi\u1eefa Doppler v\u00e0 GPS \ud83d\udca1 M\u1ed9t thi\u1ebft b\u1ecb DSL t\u1ed1t n\u00ean h\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i t\u1ef1 \u0111\u1ed9ng gi\u1eefa \u0111o Doppler v\u00e0 t\u00edn hi\u1ec7u GPS (trong tr\u01b0\u1eddng h\u1ee3p t\u00edn hi\u1ec7u \u00e2m kh\u00f4ng \u0111\u1ee7). \u2705 Khi n\u00e0o c\u1ea7n AUTO: T\u00e0u v\u00e0o v\u00f9ng n\u01b0\u1edbc qu\u00e1 s\u00e2u (\u0111\u00e1y &gt;200m), n\u01b0\u1edbc l\u1ea1nh, plankton \u00edt. Nhi\u1ec1u b\u1ecdt kh\u00ed ho\u1eb7c nhi\u1ec5u sonar khi\u1ebfn Doppler m\u1ea5t t\u00edn hi\u1ec7u. \ud83c\udfaf M\u1eb9o: \u0110\u1ec3 thi\u1ebft b\u1ecb \u1edf ch\u1ebf \u0111\u1ed9 AUTO m\u1eb7c \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c ngay c\u1ea3 khi t\u00edn hi\u1ec7u Doppler y\u1ebfu ho\u1eb7c m\u1ea5t. 2. \u0110i\u1ec1u ch\u1ec9nh Speed Offset \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 Trong th\u1ef1c t\u1ebf, c\u00f3 th\u1ec3 x\u1ea3y ra l\u1ec7ch gi\u1eefa t\u1ed1c \u0111\u1ed9 Doppler v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1eeb AIS\/GPS, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u quay v\u00f2ng ho\u1eb7c ch\u1ea1y d\u01b0\u1edbi s\u00f3ng ng\u01b0\u1ee3c. \u2705 Gi\u1ea3i ph\u00e1p: Sau khi l\u1eafp \u0111\u1eb7t v\u00e0 th\u1eed t\u00e0u, so s\u00e1nh t\u1ed1c \u0111\u1ed9 Doppler v\u1edbi GPS ho\u1eb7c log AIS. N\u1ebfu l\u1ec7ch \u00b10.1\u20130.3 knots \u2192 truy c\u1eadp menu k\u1ef9 thu\u1eadt, nh\u1eadp Speed Offset \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh. \ud83d\udccc \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi d\u1eef li\u1ec7u DSL \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n CPA\/TCPA tr\u00ean radar ho\u1eb7c l\u01b0u tr\u1eef v\u00e0o VDR. 3. S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 Debug ho\u1eb7c Simulation \u0111\u1ec3 ki\u1ec3m tra d\u1eef li\u1ec7u \u0111\u1ea7u ra M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb DSL hi\u1ec7n \u0111\u1ea1i c\u00f3 t\u00ednh n\u0103ng Debug Mode ho\u1eb7c Simulation Output, cho ph\u00e9p k\u1ef9 s\u01b0: M\u00f4 ph\u1ecfng t\u00edn hi\u1ec7u \u0111o \u2192 ph\u1ee5c v\u1ee5 test h\u1ec7 th\u1ed1ng khi t\u00e0u n\u1eb1m b\u1edd. Ki\u1ec3m tra d\u1eef li\u1ec7u NMEA \u0111\u1ea7u ra: $IIVBW, $IIVLW, $IIVTG\u2026 \u2705 M\u1eb9o th\u1ef1c t\u1ebf: S\u1eed d\u1ee5ng debug gi\u00fap b\u1ea1n test k\u1ebft n\u1ed1i v\u1edbi radar, autopilot, VDR\u2026 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ee3i t\u00e0u ch\u1ea1y. 4. Theo d\u00f5i \u0111\u1ecbnh k\u1ef3 tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o &amp; relay l\u1ed7i DSL th\u01b0\u1eddng c\u00f3 relay c\u1ea3nh b\u00e1o m\u1ea5t Doppler, l\u1ed7i ngu\u1ed3n, l\u1ed7i transducer. Tuy nhi\u00ean, tr\u00ean nhi\u1ec1u t\u00e0u, c\u1ea3nh b\u00e1o n\u00e0y b\u1ecb t\u1eaft ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean. \ud83d\udccc G\u1ee3i \u00fd: \u0110\u1ea5u relay c\u1ea3nh b\u00e1o v\u1edbi h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng chung (BNWAS ho\u1eb7c ECR). M\u1ed7i tu\u1ea7n ki\u1ec3m tra tr\u1ea1ng th\u00e1i hi\u1ec3n th\u1ecb xem c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng l\u1ed7i n\u00e0o kh\u00f4ng. Ghi l\u1ea1i nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng n\u1ebfu thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 Error Log. 5. Ki\u1ec3m tra v\u00e0 v\u1ec7 sinh transducer \u0111\u1ecbnh k\u1ef3 B\u00e1m h\u00e0, rong bi\u1ec3n, b\u00f9n bi\u1ec3n\u2026 l\u00e0 k\u1ebb th\u00f9 th\u1ea7m l\u1eb7ng c\u1ee7a transducer. N\u1ebfu m\u1eb7t c\u1ea3m bi\u1ebfn b\u1ecb che ph\u1ee7, t\u00edn hi\u1ec7u Doppler s\u1ebd y\u1ebfu ho\u1eb7c sai l\u1ec7ch. \u2705 Th\u1ef1c hi\u1ec7n: Khi t\u00e0u drydock, th\u00e1o ki\u1ec3m tra c\u1ea3m bi\u1ebfn. V\u1ec7 sinh b\u1eb1ng kh\u0103n m\u1ec1m, kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t \u0103n m\u00f2n. Ki\u1ec3m tra l\u1edbp epoxy b\u1ea3o v\u1ec7, ch\u1ed1ng n\u01b0\u1edbc c\u00f2n nguy\u00ean v\u1eb9n. \ud83d\udca1 M\u1eb9o: Ghi nh\u1eadt k\u00fd ng\u00e0y v\u1ec7 sinh g\u1ea7n nh\u1ea5t \u2013 nhi\u1ec1u t\u00e0u qu\u00ean v\u00e0 ph\u1ea3i thay c\u1ea3 transducer v\u00ec \u0111\u1ec3 qu\u00e1 l\u00e2u kh\u00f4ng ki\u1ec3m tra. 6. Hu\u1ea5n luy\u1ec7n thuy\u1ec1n vi\u00ean s\u1eed d\u1ee5ng Speed Log \u0111\u00fang t\u00ednh n\u0103ng Thi\u1ebft b\u1ecb c\u00e0ng hi\u1ec7n \u0111\u1ea1i, thao t\u00e1c c\u00e0ng c\u1ea7n \u0111\u01a1n gi\u1ea3n, r\u00f5 r\u00e0ng. Tuy nhi\u00ean, n\u1ebfu thuy\u1ec1n vi\u00ean kh\u00f4ng bi\u1ebft c\u00e1ch ki\u1ec3m tra tr\u1ea1ng th\u00e1i ho\u1eb7c chuy\u1ec3n ch\u1ebf \u0111\u1ed9 \u2192 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn v\u1eadn h\u00e0nh sai. \u2705 N\u00ean l\u00e0m: H\u01b0\u1edbng d\u1eabn thuy\u1ec1n vi\u00ean thao t\u00e1c chuy\u1ec3n mode, xem t\u1ed1c \u0111\u1ed9, c\u1ea3nh b\u00e1o. In b\u1ea3ng h\u01b0\u1edbng d\u1eabn r\u00fat g\u1ecdn d\u00e1n g\u1ea7n m\u00e0n h\u00ecnh DSL. Kh\u00f3a menu k\u1ef9 thu\u1eadt n\u1ebfu kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean. K\u1ebft lu\u1eadn S\u1eed d\u1ee5ng Speed Log ch\u1ec9 ph\u00e1t huy h\u1ebft gi\u00e1 tr\u1ecb khi ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u r\u00f5 t\u00ednh n\u0103ng, bi\u1ebft hi\u1ec7u ch\u1ec9nh ph\u00f9 h\u1ee3p v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang quy tr\u00ecnh. Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea7n g\u1ecdi k\u1ef9 s\u01b0 \u2013 \u0111\u00f4i khi ch\u1ec9 c\u1ea7n b\u1ea1n hi\u1ec3u thi\u1ebft b\u1ecb \u0111ang v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o l\u00e0 \u0111\u1ee7 \u0111\u1ec3 gi\u1eef h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn t\u01b0 v\u1ea5n chi ti\u1ebft !\u00a0097 800 1968 (DT\/Zalo) Link : Video Unbox S\u1ea3n Ph\u1ea9m S\u1ea3n ph\u1ea9m IMO : VR: NK BV ABS CCS &nbsp;<\/p>","protected":false},"author":1,"featured_media":4806,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158],"tags":[],"class_list":["post-4805","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\/4805","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=4805"}],"version-history":[{"count":2,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4805\/revisions"}],"predecessor-version":[{"id":4844,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4805\/revisions\/4844"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media\/4806"}],"wp:attachment":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media?parent=4805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/categories?post=4805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/tags?post=4805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}