Standard Horizon QUANTUM AIS GX6000 Owner's Manual page 101

4. Press the [CALL] soft key
5. In the INTERSHIP CH list, rotate the DIAL/ENT knob
to select the operating channel on which you want to
communicate, then press the [SELECT] soft key. To
select operating channels from all voice channels,
press the [MANUAL] soft key.
6. To transmit an individual DSC call to the select AIS
ship, press the [YES] soft key.
After the GX6000 transmits, the radio waits for the
DSC radio on the AIS ship to transmit a reply, at which
time the radio will ring like a telephone. Pick up the
mic, press the PTT switch and talk to the AIS vessel.
7. Press the [QUIT] soft key to return to AIS screen.
8. Press the CLEAR key to return to radio operation.
13.2.4 CPA/TCPA Alarm Functions
The CPA (Closest Point of Approach) alarm sounds when other AIS vessels
enter within the range set as the CPA Limit. For details, refer to section "13.3.1
CPA".
The TCPA (Time to Closest Point of Approach) alarm sounds according to the
time set as the TCPA Limit which is the time taken until other AIS vessels enter
within the range set as the CPA Limit. For details, refer to section "13.3.2 TCPA".
1. If other AIS vessels approach your ship, the alarm
sounds according to the CPA Limit and TCPA Limit
that you set in advance.
2. Press any key to stop the alarm.
The targets for the CPA/TCPA alarm will appear with
" " and flash.
Up to 15 targets for the CPA/TCPA alarm can be shown on the screen.
Note: If the display is in a mode other than AIS, the radio automatically
switches to the AIS mode.
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