Operational Warnings - Furuno FA Manual

3. ARP OPERATION
3.14

Operational Warnings

There are six main situations which cause the ARP to trigger visual and audible
alarms:
Collision alarm
Guard zone alarm
Lost target alarm
Target full alarm for manual acquisition
Target full alarm for automatic acquisition
System failure
Collision (CPA/TCPA) alarm
Visual (COLLISION) and audible alarms are generated a target falls with a
preset limits. To acknowledge the audible alarm, press the [ALARM ACK] key, or
choose the ALARM ACK box and then push the left button.
Guard zone alarm
Visual ("GUARD") and audible alarms are generated when a target transits the
operator-set guard zone. To acknowledge and silence the guard alarm, press the
[ALARM ACK] key, or choose the ALARM ACK box and then push the left button.
Lost target alarm
When the system detects a loss of a tracked target, the target symbol becomes
a flashing diamond ( ) and the label "LOST" appears at the screen bottom. At
the same time, an audible alarm is produced for one second.
To acknowledge and silence the lost target audible alarm, press the [ALARM
ACK] key, or choose the ALARM ACK box and then push the left button. Then,
the lost target mark disappears.
Target full alarm
When the memory becomes full, the memory full status is indicated by
"TARGET-FULL(AUTO+MAN)" and the relevant indication appears on the
screen and a short beep sounds.
Manually acquired targets
The indication "TARGET-FULL(MAN)" appears at the screen bottom and a short
beep tone sounds when the capacity for manually acquired targets, as set on the
menu, is reached.
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