Garmin GPSMAP 296 사용자 설명서

The DSC page of the Main Menu allows you to control and set up 

the Digital Selective Calling (DSC) features on the GPSMAP 296. 
DSC uses marine VHF radio and GPS technologies to transmit 

and receive location information. The chartplotter repeats the call 

properties received from the VHF radio on the chartplotter. The 

GPSMAP 296 requires input from a DSC enabled VHF radio to 

show position, and to sound/show alerts from a Distress Call or 

Position Report. Conversely, the VHF radio requires input from a 

GPS to transmit position coordinates for a Distress Call or Position 

Report. For connection information, refer to 

and Data Cable”

 on 

page 134

.

An emergency DSC Distress Call allows a vessel in trouble to 

transmit a substantial amount of information in a single transmission 

or call, without the need for voice communication. When any 

nearby rescuer receives the DSC signal, an alarm sounds and they 

immediately receive the location of the caller. The rescuer can then 

choose to navigate to the caller’s location to assist, or forward the 

call on to the Coast Guard. When the Coast Guard receives the call, 

they can immediately access the caller’s information (such as who 

they are and the type of vessel) in their database while they are in 

transit to the caller’s location.

A non-emergency DSC Position Report allows mariners to exchange 

and show the positions of one another. When a DSC position is 

received, the mariner can choose to create a waypoint or to show the 

received location on an electronic map. 
Anytime a vessel receives a DSC call, they can store and quickly 

navigate to that location using a Go To. This makes DSC a time 

saver, especially in an emergency situation. In order to use DSC, 

users must first register their VHF radio with the FCC and receive a 

Maritime Mobile Service Identity (MMSI) number. 
For more information about Digital Selective Calling and Maritime 

Mobile Service Identity (MMSI) numbers, refer to 

page 143

 in the 

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AND

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EATURES

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DSC