Unverified50% confidenceDecision RuleTime unknown
海上救援优先选EPIRB(自动漂浮激活+自扶正天线),陆地徒步登山选PLB(手动激活+更轻便),二者不可互相替代——PLB无浮力设计入水后无法保证天线朝天发射
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Unverified手动激活设计,落水昏迷或无法操作时无法自动求救,需要自动激活的场景应选带浮力包的EPIRB或自动PLB76% similarUnverified采用手动激活,无自动落水触发功能,落水后无法自动求救的场景(如独自航海落水昏迷)应考虑带自动激活的EPIRB76% similarUnverified远洋航行或救生筏配置应选带静水压力释放器(HRU)的Category I自动浮动释放EPIRB,可在船只沉没时自动脱出并入水激活;沿岸小船可用Category II手动激活型75% similarUnverifiedCategory 1 EPIRB配备静水压力释放装置(HRU),可在沉船下沉1-4米时自动脱离并浮起激活,适合远洋航行;Category 2需手动取出激活,仅适合近岸或有人值守场景75% similarUnverifiedPLB仅支持手动激活,落水昏迷或无法操作时无法自动求救,需要自动触发建议选择带浮力和自动激活的EPIRB或对应机型73% similar
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