Garmin gpsmap 182c Manual De Usuario

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Digital Selective Calling (DSC)
Appendix B
with the MMSI number attached to the call (if the user has DSC support). Any DSC-equipped mariner 
(on sea or land) within range can receive the call. 
When the Garmin GPSMAP 182/182C/232 is connected to a VHF with DSC support, the GPS unit 
displays a Call List, Log, and a Directory available to store incoming information received from another 
user’s DSC capable VHF/GPS combination. Basic wiring is required for the Garmin unit and VHF radio 
to send and receive NMEA data from each other (pg.87). 
Distress Call
With a Garmin DSC capable chartplotter/sounder properly connected to a VHF radio with DSC 
output, the user may receive any DSC Distress Call within range. A window will pop up and a message 
will display when a Distress Call is received. To notify the user a Distress Call has been received, an 
alarm will sound (if enabled). The alarm only sounds on a Distress Call, and it will not sound on a 
Position Report. Distress Calls are broadcasted to all DSC users in radio range.
Options available from this screen are:
•    Show on Map: If the user immediately wants to see the caller’s position they select ‘Show on 
Map’.
•    Create Waypoint: If the user wanted to create a waypoint of that posistion they highlight 
‘Create Waypoint’ and press ENTER/MARK.
The user also has the ability to input the user’s name, if it is known. (NOTE: The user’s name 
replaces the MMSI number as a reference once it is entered.)
DSC Position Report
The Position Report operates similarly to the Distress Call. Remember this type of contact is like a 
phone call, but no emergency alarms are set off and the call is specifi c to the receiver. Position Reports 
are not broadcasted to all DSC users.
Distress Call Message
Position Report Message
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6/4/2003, 2:54:24 PM