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DSC Tab
Use the DSC tab (Marine Mode only) to control and set up the
Digital Selective Calling (DSC) features. DSC uses marine VHF
radio and GPS to transmit and receive location information. DSC is
used by mariners for distress calls and position reporting.
For more information about DSC and Maritime Mobile Service
Identity (MMSI) numbers, see pages 116-117 in the “Appendix”.
DSC Page
DSC Call List
The Call List sub tab shows the 50 most recent calls, even if the unit
is left unattended. The Call List only shows the most recent call from
a vessel. If a second call is received, it replaces the rst call in the Call
List. Press MENU to sort the list and delete entries.
DSC Call List
DSC Log
When DSC calls are received, they are automatically stored in the
Log, with the most recent call at the top. The unit can store up to
100 calls; after 100 calls are received, the oldest log le is removed
when a new call is received.
GPSMAP 278 Owner’s Manual 69
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