8)Manual Calling 在手动呼叫时,设置TX模式和用户ID码 9)Set Frequency 在手动呼叫时,设置发射和接收频率 功能键[F4]:WINDOW窗口,内容如下: 1)Calendar 显示日历,可以改变年月 2)Distress Frequency Table 显示国际(电话、NBDP、DSC)遇险频率表 功能键[F5]:STATION设置台功能,菜单内容如下: 1)Station Entry 登记...
题目题型:单选题 难度:★★★4.2万热度 Distress frequency for HF is___ A 2182 B 2430 C 8354 D 11290 正确答案 点击免费查看答案 试题上传试题纠错 TAGS 关键词试题汇总大全 本题目来自[12题库]本页地址:https://www.12tiku.com/newtiku/919880/39553975.html...
GMDSS系统凭借陆海空天一体化“立体”通信链路,将航行船舶、卫星、岸台和岸上搜救机构连成一体,确保船对岸、船对船、岸对船的全海域遇险报警。MF/HF/VHF无线电波的超级英雄MF(Medium Frequency)、HF(High Frequency)、VHF(Very High Frequency...
In summary, AM can be used to transmit on the International distress frequency of 2182 KHz, for public correspondence on marine frequencies, and for radiotelephony with stations that may not yet be equipped with SSB equipment. Also, it can be used to receive shortwave broadcasts and time signal...
设置TX模式和用户ID码 9)Set Frequency 在手动呼叫时,设置发射和接收频率功能键[F4]:WINDOW窗口,内容如下: 1)Calendar 显示日历,可以改变年月 2)Distress Frequency Table 显示国际(电话、NBDP、DSC)遇险频率表功能键[F5]:STATION设置台功能,菜单内容如下: 1)Station Entry 登记台名 2)Timer Operation Entry ...
Medium & High Frequency - SSB Page Menu Introduction to MF/HF-SSB Marine Radio MF/HF-SSB Simplex Frequencies MF/HF-SSB Distress Frequencies MF/HF-SSB Duplex Frequencies NEXT -Marine MF/HF SSB Radio - Distress Frequencies
DISTRESS和SEND发射电文 址栏中选择ALLSHIP按NEXT键输入DSC通险呼叫频 TX8414.5按NEXT键选择迪险性质按上下键例SINKING沉没按NEXT 键选择UNKNOW不名或MID即他船识曾码按NEXT键输入他船的时间和 位置例0830N2300El12234按NEXT键选搓通信类别按上下键例H3E按 ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供If the DSC controller is configured for MF/HF operation, the distress will be sent on().A.double frequenciesB.single frequencyC.dedicated frequencyD.multiple frequencies的答案解析,
GMDSS设备操作 第四章MF/HF通信设备操作 第一节MF/HF通信设备概述 一、MF/HF通信的业务种类 •（一）无线电话 •在海上无线电通信中，用于电话传输的发射模式是J3E(抑制载波单边带)。在国际遇险通信频率2182kHz上，AM模式用于没有安装GMDSS设备的船舶进行通信，还可以用于接收广播。在高频波段，用于无线电话遇险...
mode and the distress frequency are set, keep watch under such a condition. Keep watch for five minutesor more, and executes the report to the coast station etc. as appropriate ID 431001234W V : MENU + 9 Pos 89゜59.0123'N 1 7 9 ゜ 5 9 . 6 7 8 9 ' E @ 2 3 : 5 9 GPS...