JRC JHS-32B - Page 72

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OPERATION
4.3 Communicating in DSC (Digital Selective Call) Mode
Press and hold
DISTRESS
key for
3 to 4 seconds.
When
DISTRESS
key is pressed, an intermittent
beeping tone sounds. If pressed continuously for
3 to 4 seconds, the beeping tone changes from
intermittent to continuous, and distress message
is transmitted.
If suspend pressing
DISTRESS
key while
intermittent beeping tone, distress message is not
transmitted.
"DISTRESS CALL" indication on LCD flashes
while intermittent beeping tone. If the key is
pressed continuously for 3 to 4 seconds, the
flashing "DISTRESS CALL" indication becomes
steady, and distress message is transmitted.
TIP
• A distress call has priority over all other operations.
• The distress message is transmitted 5 times consecutively, and then in random intervals of 3.5 to 4.5
minutes until it is acknowledged.
• When a navigation aid is connected, position and time data are added automatically to the distress
message.
• When no navigation aid is connected, the position and time data is transmitted as dummy data.
• When a printer is connected, the distress message is automatically printed out.
• Standby reception is carried out on CH16 during 3.5 min. to 4.5 min. pause between distress calls.
The DSC CH70 answer is received on the DSC Watchkeeping Receiver.
Press
STOP
to terminate trans-
mission.
Transmission is terminated and the CH16 Status
Display appears.
TIP
For any controller which does not have priority,
press
OPE
on the controller currently in use to
change OPE to OFF.
ITU CH 16
MODE: SIMP TEL OUTPUT: 25W
OPE : MASTER ALARM : ENABLE
SCAN: OFF SQL : CLOSE
SP : ON POWER : AC
21 JUL 1994 14:59 UTC
U
ITU CH 16
MODE: SIMP TEL OUTPUT: 25W
OPE : MASTER ALARM : ENABLE
SCAN: OFF SQL : CLOSE
SP : ON POWER : AC
21 JUL 1994 14:59 UTC
S: 12°34’ W: 123°45’ U
--DISTRESS CALL--
CH70 25W
FORMAT :DISTRESS
NATURE OF DIST :UNDESIGNATED DISTRESS
DIST-POSITION :S12.34 W123.45
DIST-UTC :14:59
TELECOMMAND :G3E SIMP TEL
END OF SEQUENCE:EOS
CALL CH :70
TRANSMITTING
PRESS STOP TO TERMINATE.
-DISTRESS CALL--
CH16 25W
FORMAT :DISTRESS
NATURE OF DIST :UNDESIGNATED DISTRESS
DIST-POSITION :S12.34 W123.45
DIST-UTC :14:59
TELECOMMAND :G3E SIMP TEL
END OF SEQUENCE:EOS
CALL CH :70
TRANSMITTED
NEXT DISTRESS CALL : AFTER 3.6MIN.
PRESS STOP TO TERMINATE.