4 DISTRESS OPERATIONS

2.The display changes as below. It takes about 40 seconds to transmit the distress alert, and the number of seconds until transmission is completed is shown at the bottom of the display. At this time the output power of the radiotelephone is automatically set to maximum.

Distress

call in progress!

NATURE: UNDESIGNATED

POS: 12° 34N 123° 45E AT 12:34

TELEPHONE

2182.0 KHZ

 

DSC FREQ :

2187.5 KHZ

 

TIME TO GO :

38S

 

Time to go until distress

alert is completely transmitted.

3.After the distress alert has been sent, the display changes as below and the audio alarm is stopped. Wait to receive the distress acknowledge call from a coast station, which usually takes 1 to 2 min 45 seconds. (The [DISTRESS] button remains lit until the equipment receives the distress acknowledge call from a coast station.) The timer counts down the number of minutes before next retransmission (if necessary), from 3.5 to 4.5 minutes, randomly set.

At this time, the equipment cannot receive any calls except the distress alert acknowledge call. The distress alert you sent is recorded in the TX log.

Wait for distress acknowledgement.

NATURE: UNDESIGNATED

POS: 12° 34N 123° 45E AT 12:34

TELEPHONE

2182.0 KHZ

DSC FREQ :

2187.5 KHZ

TIME TO GO:

2M10S

4.When the distress acknowledge call is received, the audio alarm sounds and the display changes as below.

Distress acknowledge call received.

FROM COAST: 001234567

SHIP IN DIST: 123456789

NATURE: UNDESIGNATED

POS: 12° 34N 123° 45E AT 12:34

TELEPHONE

2182.0 KHZ

 

 

 

STOP ALARM

 

Note: If you do not receive the distress alert acknowledge call, the equipment automatically re-transmits the distress alert and then awaits the distress alert acknowledge call. This is repeated until the distress alert is acknowledged.

5.Silence the alarm with the [CANCEL] key. The contents of the distress acknowledge call appear.

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Furuno FS-2570, FS-1570 manual Distress Operations