4. AIS OPERATION
4-9
4.13 Proximity Alarm
The proximity alarm alerts you when an AIS target (or ARP target) is within the range you specify,
by the audio alarm and flashing the offending target.
1. Press the MENU key to open the menu.
2. Choose Target and press the ENTER key.
3. Choose Proximity Alarm and press the ENTER key.
4. Choose appropriate range and press the ENTER key.
5. Press the MENU key to close the menu.
When an AIS target comes within the range set here its symbol flashes and the audio alarm
sounds. Press the CANCEL/HL OFF key to silence the audio alarm. The flashing continues
until the target is no longer within the range set, the alarm range is changed to exclude the
offending target or the proximity alarm is disabled.
Off
0.5nm
1nm
2nm
3nm
5nm
6nm
12nm
24nm
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