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3 DSC OVERVIEW
3-7
3.4.2 Send calls
Below are sample distress and individual send calls. The content of other types of send
calls is similar to that of the individual call.
Distress send call
Distress
call in progress!
TIME TO GO : 30S
NATURE: UNDESIGNATED
POS:
12°34N 123°45E AT 12:34
TELEPHONE
2182.0 KHZ
DSC FREQ
:
2187.5 KHZ
Time to go until distress alert is transmitted
Nature of Distress (Undesignated, Fire, Flooding,
Collision, Grounding, Listing, Sinking, Disable,
Abandoning, Piracy, Man Overboard)
Position of ship in distress (your ship)
DSC frequency used to send distress call
Working frequency to use
Individual send call
COM. FREQ : CH 401
PRIORITY
: ROUTINE
COM. TYPE : TELEPHONE
CALL TYPE: INDIVIDUAL
STATION ID: 123456789
GO TO ALL VIEW
DSC FREQ : 2M-INTL
Rotate [ENTER] knob to
choose GO TO ALL VIEW
and then push it.
**
Compose message
**
GO TO EASY VIEW
DSC FREQUENCY TX: 2177.0 KHZ
RX: 2177.0 KHZ
WORKING FREQ. : CH 401
END OF SEQUENCE: ACK. RQ
ID of station where message is to be sent
Mode of communication (Telephone, NBPD-ARQ, NBDP-FEC)
Working channel (or frequency)
Call type (Individual)
Working frequency
Priority (Routine, Business, Safety, Urgency)
DSC frequency
End of sequence (Acknowledge request)
DSC frequency used
**
Compose message
**
Calling format
Own ship ID
Communications category
1st telecommand
2nd telecommand
ID no. of transmitting station
Rotate [ENTER] knob.
FORMAT : INDIVIDUAL
ADDRESS : 987654321
CATEGORY : ROUTINE
SELF-IDENTITY : 123456789
1ST TELECOMMAND: J3E TELEPHONE
2ND TELECOMMAND : NO INFORMATION
*
Compose message
*