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When receiving a DSC message, the following message may appear.<br />
Change COM Frequency<br />
Agree Disagree<br />
Count down xx sec. Pause<br />
Choose "Pause".<br />
After 10 seconds passed or when "Agree" is chosen,<br />
the working frequency is changed with the message<br />
shown below.<br />
Accept New<br />
Working Freq<br />
CANCEL: CLOSE WINDOW<br />
Act n r rece n d tre a ert n band<br />
DSC Distress alert received.<br />
Press CANCEL key to<br />
silence alarm.<br />
Listen to associated RTF or<br />
NBDP channel(s) for 5 minutes.<br />
Is the alert<br />
acknowledged or<br />
relayed by CS and<br />
or RCC?<br />
No<br />
Yes<br />
Is own<br />
vessel able<br />
to assist?<br />
Yes<br />
CS = Coast Station<br />
RCC = Rescue Co-ordination Center<br />
Enter details in log.<br />
Is distress communication<br />
in progress<br />
on associated RTF<br />
channels?<br />
No<br />
. DISTRESS OPERATIONS<br />
Change COM Frequency<br />
Agree Disagree<br />
Count down has been paused.<br />
HF DSC, RTF AND NBDP CHANNELS (kHz)<br />
DSC RTF* NBDP<br />
4207.5 4125 4177.5<br />
6312.0 6215 6268<br />
8414.5 8291 8376.5<br />
12577.0 12290 12520<br />
16804.5 16420 16695<br />
* = Radiotelephone<br />
Yes<br />
No<br />
Transmit distress<br />
relay on HF to CS<br />
and inform RCC.<br />
Contact RCC via most<br />
efficient medium to offer<br />
assistance.<br />
Choose "Agree".<br />
4-11
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