Navman VHF 7000 Owner's Manual
Also see for VHF 7000: Operation manualService manualTheory of operationInstallation guide
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Contents
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27Chapter 5 - Sending and Receiving DSC Calls5.1 WHAT IS DSC?DSC (Digital Selective Calling) is a semi-automated method of establishing VHF,MF, and HF radio calls. It has been designated as an international standard bythe IMO (International Maritime Organization) and is part of the GMDSS (GlobalMaritime Distress and Safety System).Currently, you are required to monitor Distress Channel 16, but DSC willeventually replace listening watches on distress frequencies and will be usedto broadcast routine and urgent maritime safety information.DSC enables you to send and receive calls from any vessel or coast station thatis equipped with DSC functionality, and within geographic range. Calls can becategorised as distress, urgency, safety, or routine, and DSC selects a workingchannel automatically.5.2 SENDING DSC CALLS1. Press CALL MENU to show the types of DSC call that canbe made.Note that only four DSC call types can be shown at anyone time on the LCD menu.2. Press + or - to scroll up and down the DSC call typesuntil the cursor is postioned at the desired option.Then press ENT. The DSC call types are:These DSC facilities are available only on theVHF7100 USA and VHF7100 EC models, and a validuser MMSID must have been entered to access theINDIVIDUALINDIV ACKLASTGROUPALL SHIPSCALL LOGDISTRESS LOGMake a manual call or reply to a new caller or a buddy.See Section 5.2.1 and 5.2.2.Make a call to one of your three groups.See Section 5.2.5.Show the details of the most recent incoming call.See Section 5.2.4.Make an urgent, safety, or routine call to all ships USA??See Section 5.2.6.Show the details of the 20 most recent incoming calls.See Section 5.2.7.Show the details of the 20 most recent distress calls.See Section 5.2.8.See Section 5.2.3 TBS |
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