4. DISTRESS OPERATIONS

When receiving a DSC message, the following message may appear.

Change COM Frequency

Agree Disagree Count down xx sec. Pause

Choose "Pause".

Change COM Frequency

Agree

Disagree

 

Count down has been paused.

After 10 seconds passed or when "Agree" is chosen, the working frequency is changed with the message shown below.

Choose "Agree".

Accept New Working Freq

CANCEL: CLOSE WINDOW

Action for ships receiving distress alert on HF band

DSC Distress alert received.

Press CANCEL key to silence alarm.

Listen to associated RTF or NBDP channel(s) for 5 minutes.

HF DSC, RTF AND NBDP CHANNELS (kHz)

DSC

RTF*

NBDP

4207.5

4125

4177.5

6312.0

6215

6268

8414.5

8291

8376.5

12577.0

12290

12520

16804.5

16420

16695

 

 

 

* = Radiotelephone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is distress commu-

 

 

 

 

Transmit distress

 

 

Is the alert

 

 

nication in progress

 

 

 

 

 

 

 

 

 

 

 

 

relay on HF to CS

 

 

No

on associated RTF

No

 

 

acknowledged or

and inform RCC.

 

 

relayed by CS and

 

 

channels?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or RCC?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

Is own

 

 

 

 

 

 

 

 

Yes

Contact RCC via most

 

 

 

 

vessel able

 

 

 

 

 

 

 

 

 

 

efficient medium to offer

 

 

 

 

 

to assist?

 

 

 

 

 

 

 

 

 

 

 

 

 

assistance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

CS = Coast Station

RCC = Rescue Co-ordination Center

Enter details in log.

4-11

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Image 49
Furuno FS-5070 manual Action for ships receiving distress alert on HF band, Agree