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4. DSC GENERAL MESSAGE CALLING, RECEIVING
4-8
1. Press the CANCEL key to silence the audio alarm and erase the pop-up mes-
sage. The channel is automatically tuned to the received channel.
2. Watch on the working channel. Communicate by radiotelephone.
3. After you have completed communications, rotate the CHANNEL/ENTER knob to
select [QUIT] in the user options area then push the knob.
4.3 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.
4.3.1 How to send a PSTN call
1. Press the OTHER DSC MSG key.
2. Rotate the CHANNEL/ENTER knob to select [MSG TYPE] then push the knob.
3. Rotate the CHANNEL/ENTER knob to select [PSTN MSG] then push the knob.
4. With [TO] selected, push the CHANNEL/ENTER knob.
5. Rotate the CHANNEL/ENTER knob to select [DIRECT INPUT], [ADDRESS
BOOK DATA] or [AIS TARGET DATA] then push the knob.
[DIRECT INPUT]: Enter the MMSI of coast station (seven digits) with the numeric
keys then push the CHANNEL/ENTER knob.
[ADDRESS BOOK DATA]: Select an MMSI from the [ADDRESS BOOK] (see
section 5.13) then push the CHANNEL/ENTER knob.
[AIS TARGET DATA]: Select an MMSI from the [AIS TARGET LIST] then push
the CHANNEL/ENTER knob.
6. With [TEL NO.] selected, push the CHANNEL/ENTER knob.
7. Enter telephone no. (up to 16 digits) with the numeric keys then push the CHAN-
NEL/ENTER knob.