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DSC SSB radiotelephone NBDP-FEC
2187.5 kHz
4207.5 kHz
6312.0 kHz
8414.5 kHz
12577.0 kHz
16804.5 kHz
2182.0 kHz
4125.0 kHz
6215.0 kHz
8291.0 kHz
12290.0 kHz
16420.0 kHz
2174.5 kHz
4177.5 kHz
6268.0 kHz
8376.5 kHz
12520.0 kHz
16695.0 kHz
11. Select appropriate DSC frequency and press the [ENT] key. The display now looks
something like the one below.
CALL TYPE : RELAY SEL
COAST ID :
001234567
ID IN DIST : NO INFO
NATURE : SINKING
POS
:
12˚34N 123˚45
***
Send message
***
DSC FREQ :
2187.5 KHZ
GO TO ALL VIEW
COM. TYPE
:
TELEPHONE
12. Press the [CALL] key to send the call.
Distress relay sel
call in progress!
DSC FREQ :
2187.5 KHZ
TO COAST :
001234567
SHIP IN DIST : NO INFO
POS :
12°34N 123°45 AT 12:34
TELEPHONE
2182.0 KHZ
TIME TO GO : 8S
13. The equipment then waits for acknowledgement of the distress relay, showing the following
message. If the distress relay is not acknowledged within five minutes the message “No
response. Try relay again.” appears. If this occurs send the relay again.
Wait for distress
relay acknowledge.
:
TIME TO GO : 4M59S
DSC FREQ
:
2187.5 KHZ
FROM COAST: 001234567
SHIP IN DIST: NO INFO
POS: 12˚34N 123˚45 AT 12:34
TELEPHONE: 2182.0 KHZ
14. The audio alarm sounds and the display looks something like the one below when the
distress relay acknowledge call is received.
Distress relay ack
call received.
SHIP IN DIST : NO INFO
POS :
12°34N 123°45 AT 12:34
TELEPHONE 2187.5 KHZ
FROM COAST : 001234567
NATURE : SINKING
STOP ALARM