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5. ROUTINE MESSAGE CALLING, RECEVING
5-30
3. Rotate the ENTER knob to choose ANSWER and then push the ENTER knob. Your
display should now look something like the one below.
MSG TYPE: POSITION
ACKNOWLEDGEMENT
POS:
35 00 N
135 00 E AT 23:01
DSC FREQ :
2187.5 kHz
GO TO VIEW
Compose msg.
4. Confirm the position shown and then press the CALL to send the position data
(transmission time: approx. 7 sec.). The display changes as below.
Position acknowledge
message in progress!
TIME TO GO: 7S
DSC FREQ :
2187.5 kHz
DESTINATION ID :
123456789
POS:
35 00N
135 00E AT 23:01
PRIORITY: SAFETY
messsage transmitted.
Position acknowledge
PLEASE PUSH CANCEL KEY
Radiotelephone screen
Press the CANCEL key twice.
5.8 PSTN Call
The PSTN call allows the making and receiving of telephone calls over public switched
telephone networks. To use the PSTN call feature, use a handset which has a HOOK
ON/OFF function. The standard supply handset has this feature.
5.8.1 Sending a PSTN call, receiving acknowledge back (ACK BQ)
1. Press the 2/DSC key.
Select Message
PSTN MESSAGE
TEST MESSAGE
GROUP MESSAGE
AREA MESSAGE
POSITION
RELAY AREA
RELAY COAST
DISTRESS
SPECIAL
INDIVIDUAL
GENERAL DISTRESS
MMSI I23456789
POS 12 34.5678N
123 45.6789E
UTC 01:53
MAN 01:54
2. Rotate the ENTER knob to choose PSTN MESSAGE and then push the ENTER knob.