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Revoking a Distress Call
You do not transmit a distress call until you hold DISTRESS for at least three seconds. If you inadvertently make
a distress call, or are no longer in distress, you should cancel the call immediately by transmitting a voice
message to all stations on channel 16.
1 Select CANCEL > YES, and wait until DISTRESS CANCEL HAS BEEN SENT appears on the screen.
2 Select OK.
3 Hold PTT on the handset, and transmit an appropriate voice message to cancel the distress call (Distress
Call Cancellation Script, page 13).
4 Select an option:
• Select END to complete the distress-call cancellation and return to normal radio operation.
• Select RESEND to resend the distress-call cancellation and start the process again.
Distress Call Cancellation Script
When you revoke a DSC distress call (Revoking a Distress Call, page 13), you should transmit an appropriate
cancellation message.
For example, "All stations, all stations, all stations, this is _____(vessel name), MMSI number ____, position
____(North or South), ____(West or East). Cancel my distress alert of ____(date and time). This is ____(vessel
name), MMSI number ____. Out."
Placing Calls
Placing Individual Calls
1 Select DSC > INDIVIDUAL.
2 Select an option:
• To enter the MMSI number manually, select MANUAL, enter the MMSI number, and select ACCEPT.
• To select an entry from the directory, select DIRECTORY, and select an entry.
• To select a recent call, select RECENT CALLS.
3 Select a channel (Individual Call or Group Call Channels, page 14).
The radio transmits the request with your call.
4 Select CALL.
The radio transmits the call on channel 70, and returns to the previous channel while listening for an
acknowledgment on channel 70. After an acknowledgment is received, the radio changes to the channel you
selected for the call.
Placing Group Calls
Before you can place a call to a group, you must enter the MMSI number of the group into the directory (Adding
a Group, page 18).
You can contact a group of specific vessels, such as a sailing club or flotilla, by making a group call.
1 Select DSC > GROUP > CALL.
2 Select a saved group.
3 Select a channel (Individual Call or Group Call Channels, page 14).
The radio transmits the channel request with your call.
4 Select CALL.
The radio transmits the call on channel 70, then changes to the selected channel.
Digital Selective Calling 13
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