{"id":2512,"date":"2023-08-14T11:11:29","date_gmt":"2023-08-14T08:11:29","guid":{"rendered":"https:\/\/pq.rumblefishvietnam.com\/?p=2512"},"modified":"2024-08-04T11:14:26","modified_gmt":"2024-08-04T08:14:26","slug":"khi-nao-ban-can-mot-chiec-dong-ho-lan-tu-do","status":"publish","type":"post","link":"https:\/\/pq.rumblefishvietnam.com\/vi\/2023\/08\/14\/khi-nao-ban-can-mot-chiec-dong-ho-lan-tu-do\/","title":{"rendered":"Khi n\u00e0o b\u1ea1n c\u1ea7n m\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 l\u1eb7n t\u1ef1 do?"},"content":{"rendered":"<div data-breakout=\"normal\">\n<p id=\"viewer-9j6ah\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">Ai c\u0169ng bi\u1ebft trong l\u1eb7n b\u00ecnh kh\u00ed th\u00ec \u0111\u1ed3ng h\u1ed3 l\u1eb7n (dive computer) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ea3m b\u1ea3o an to\u00e0n ko th\u1ec3 thi\u1ebfu \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c ca l\u1eb7n \u0111\u1ed3ng th\u1eddi b\u00e1o \u0111\u1ed9ng c\u00e1c ranh gi\u1edbi an to\u00e0n cho ng\u01b0\u1eddi l\u1eb7n. Nh\u01b0ng trong l\u1eb7n t\u1ef1 do th\u00ec chi\u1ebfc \u0111\u1ed3ng h\u1ed3 l\u1eb7n c\u00f3 vai tr\u00f2 nh\u01b0 th\u1ebf n\u00e0o? <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">\u0110\u1ed3ng h\u1ed3 l\u1eb7n c\u00f3 lo\u1ea1i d\u00f9ng cho b\u00ecnh kh\u00ed, c\u00f3 lo\u1ea1i ch\u1ec9 d\u00f9ng cho l\u1eb7n t\u1ef1 do v\u00e0 c\u00f3 lo\u1ea1i t\u00edch h\u1ee3p 2 c\u1ea3 hai h\u00ecnh th\u1ee9c l\u1eb7n n\u00e0y. Khi n\u00e0o th\u00ec ch\u00fang ta c\u1ea7n ph\u1ea3i c\u00f3 1 chi\u1ebfc \u0111\u1ed3ng h\u1ed3 l\u1eb7n t\u1ef1 do chuy\u00ean bi\u1ec7t? <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">Ngo\u00e0i vi\u1ec7c ch\u00fang ta c\u1ea7n 1 chi\u1ebfc \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 khoe model m\u1edbi v\u00e0 logbook k\u1ef7 l\u1ee5c \u0111\u1ed9 s\u00e2u c\u1ee7a b\u1ea3n th\u00e2n th\u00ec th\u1ef1c t\u1ebf \u0111\u1ed3ng h\u1ed3 l\u1eb7n t\u1ef1 do c\u00f3 ch\u1ee9c n\u0103ng r\u1ea5t quan tr\u1ecdng kh\u00e1c. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1c thi\u1ebft l\u1eadp b\u00e1o \u0111\u1ed9ng tr\u00ean \u0111\u1ed3ng h\u1ed3:<\/span><\/p>\n<\/div>\n<div data-breakout=\"normal\">\n<ul class=\"dIfcd _8UBmS\">\n<li class=\"_3TiTE\" dir=\"auto\">\n<p id=\"viewer-88fha\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"\"><span class=\"zKS-7 WZ-z2\"><strong>Max dive time: <\/strong>th\u1eddi gian n\u00edn th\u1edf l\u1eb7n t\u1ed1i \u0111a, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi ng\u01b0\u1eddi ch\u01a1i s\u0103n c\u00e1 th\u01b0\u1eddng qu\u00ean m\u1ea5t gi\u1edbi h\u1ea1n c\u1ee7a b\u1ea3n th\u00e2n khi \u0111i theo con m\u1ed3i<\/span><\/p>\n<\/li>\n<li class=\"_3TiTE\" dir=\"auto\">\n<p id=\"viewer-9u5f7\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"\"><span class=\"zKS-7 WZ-z2\"><strong>Max depth: <\/strong>\u0111\u1ed9 s\u00e2u t\u1ed1i \u0111a kh\u1ea3 n\u0103ng ng\u01b0\u1eddi l\u1eb7n<\/span><\/p>\n<\/li>\n<li class=\"_3TiTE\" dir=\"auto\">\n<p id=\"viewer-seta\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"\"><span class=\"zKS-7 WZ-z2\"><strong>Surface time: <\/strong>th\u1eddi gian tr\u00ean m\u1eb7t n\u01b0\u1edbc gi\u1eefa c\u00e1c ca l\u1eb7n hay l\u00e0 th\u1eddi gian ngh\u1ec9 ng\u01a1i l\u1ea5y h\u01a1i<\/span><\/p>\n<\/li>\n<li class=\"_3TiTE\" dir=\"auto\">\n<p id=\"viewer-9gq36\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"\"><span class=\"zKS-7 WZ-z2\"><strong>Depth intervals: <\/strong>t\u1ea7n su\u1ea5t \u0111\u1ed9 s\u00e2u (v\u00ed d\u1ee5: 10m hay 20m s\u1ebd k\u00eau 1 l\u1ea7n)<\/span><\/p>\n<\/li>\n<li class=\"_3TiTE\" dir=\"auto\">\n<p id=\"viewer-ccp9j\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"\"><span class=\"zKS-7 WZ-z2\"><strong>Depth alarms: <\/strong>ch\u1ec9 b\u00e1o \u0111\u1ed9ng t\u1ea1i \u0111\u1ed9 s\u00e2u mong mu\u1ed1n (v\u00ed d\u1ee5: b\u00e1o 4 l\u1ea7n 10m, 15m, 25m, 40m) &#8211; ch\u1ee9c n\u0103ng n\u00e0y ch\u1ec9 c\u00f3 \u1edf \u0111\u1ed3ng \u0111\u1ed3 l\u1eb7n t\u1ef1 do chuy\u00ean d\u1ee5ng<\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<div data-breakout=\"normal\">\n<p id=\"viewer-bpdq5\" class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">(*) \u0110\u1ed3ng h\u1ed3 l\u1eb7n chuy\u00ean d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng ghi nh\u1edb \u0111\u1ed9 s\u00e2u (sampling rate) nhanh v\u00e0 nhi\u1ec1u h\u01a1n \u0111\u1ed3ng h\u1ed3 t\u00edch h\u1ee3p. V\u00ed d\u1ee5: Mares Smart l\u00e0 1.0s c\u00f2n Mares Apnea l\u00e0 1.0s, 0.5s v\u00e0 0.25s <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">L\u1eb7n t\u1ef1 do c\u1ea7n l\u00ean k\u1ebf ho\u1ea1ch chu\u1ea9n b\u1ecb v\u00e0 t\u00ednh to\u00e1n nghi\u00eam t\u00fac khi b\u01b0\u1edbc v\u00e0o cu\u1ed9c ch\u01a1i longer and deeper cho c\u00e1c ca l\u1eb7n t\u1eeb 40m tr\u1edf l\u00ean thay v\u00ec m\u1ee5c ti\u00eau \u201c\u0111\u01b0\u1ee3c bao nhi\u00eau t\u1ed1t b\u1ea5y nhi\u00eau\u201d. <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\"><strong>V\u00ed d\u1ee5 1: B\u1ea1n (master freediver) l\u00ean k\u1ebf ho\u1ea1ch chinh ph\u1ee5c \u0111\u1ed9 s\u00e2u 40m v\u1edbi th\u1eddi gian kho\u1ea3ng 90-100s.<\/strong> <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">1. \u0110\u1eb7t b\u00e1o \u0111\u1ed9 s\u00e2u (depth alarms): <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">&#8211; Alarm 1: 10m \u0111\u1ec3 free fall <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">&#8211; Alarm 2: 20m l\u1ea5y mouthfill <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">&#8211; Alarm 3: 40m b\u00e1o bottom \u0111\u1ec3 quay l\u00ean <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">2. Quan s\u00e1t th\u1eddi gian ngh\u1ec9 sau ca l\u1eb7n (surface time): <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">&#8211; Theo c\u00f4ng th\u1ee9c c\u1ee7a PADI: 10 ph\u00fat <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">&#8211; Theo c\u00f4ng th\u1ee9c c\u1ee7a Molchanovs: 7.5-8.0 ph\u00fat <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">3. Buddy t\u00ednh th\u1eddi gian l\u1eb7n xu\u1ed1ng sau diver 65-75s (tu\u1ef3 kinh nghi\u1ec7m) <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\"><strong>V\u00ed d\u1ee5 2: Th\u00e0nh t\u00edch l\u1eb7n t\u1ed1t nh\u1ea5t c\u1ee7a b\u1ea1n l\u00e0 30m, kh\u1ea3 n\u0103ng n\u00edn th\u1edf t\u1ed1t v\u00e0 mu\u1ed1n th\u1eed 30m+<\/strong> <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">1. Depth alarm: 30m v\u00e0 c\u1ed1 g\u1eafng th\u00eam 1-2 CWT kick ho\u1eb7c FIM pull r\u1ed3i quay l\u00ean (c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng interval) <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">2. Surface time <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">3. Buddy time <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\"><strong>V\u00ed d\u1ee5 3: B\u1ea1n \u0111i s\u0103n c\u00e1 \u1edf \u0111\u1ed9 s\u00e2u 20m, th\u1eddi gian n\u00edn th\u1edf v\u1eadn \u0111\u1ed9ng kho\u1ea3ng 3 ph\u00fat<\/strong> <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">1. Depth alarm: 15-18m ho\u1eb7c interval 5m <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">2. Max dive time: 2:30 (20s \u0111\u1ec3 b\u01a1i l\u00ean t\u1eeb 15m) <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\"><strong>V\u00ed d\u1ee5 4: t\u1eadp b\u1ea3ng CWT20x5, ngh\u1ec9 60s<\/strong> <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">1. Depth alarm: 20m <\/span><\/p>\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">2. Surface time: 60s <\/span><\/p>\n<p dir=\"auto\">\n<p class=\"bbl5c dkFHG WZ-z2 _-7CKp\" dir=\"auto\"><span class=\"zKS-7 WZ-z2\">Vi\u1ec7c c\u1ee7a deep diver l\u00e0 l\u1eb7n, c\u00f2n l\u1ea1i h\u00e3y \u0111\u1ec3 buddy v\u00e0 computer lo!<\/span><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ai c\u0169ng bi\u1ebft trong l\u1eb7n b\u00ecnh kh\u00ed th\u00ec \u0111\u1ed3ng h\u1ed3 [&hellip;]<\/p>","protected":false},"author":3,"featured_media":2513,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[],"class_list":["post-2512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diving-tips"],"_links":{"self":[{"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/comments?post=2512"}],"version-history":[{"count":1,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2512\/revisions"}],"predecessor-version":[{"id":2514,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2512\/revisions\/2514"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/media\/2513"}],"wp:attachment":[{"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/media?parent=2512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/categories?post=2512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pq.rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/tags?post=2512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}