1. RADAR OPERATION
1-40
Note 1: If you wish to create a target alarm zone having a 360-degree coverage
around own ship, set point "B" in almost the same direction as point "A."
Note 2: Two target alarm zones may be set. Note however that the 2
nd
target
alarm zone is available only when the 1
st
target alarm zone is active.
Note 3: When the target alarm zone is not within the range in use the indication
UP RNG appears to the right of the TARGET ALARM box. In this case
select a range that will display the target alarm zone.
1.23.2 Acknowledging the target alarm
A target in the target alarm zone produces both visual (flashing) and audible
(beep) alarms. To silence the audio alarm select the appropriate TARGET
ALARM box then push the left button. The TARGET ALARM box shows "TGT
ALMx ACK." This will deactivate the audio alarm but will not stop the flashing of
the offending target. To reactivate the audio alarm, press the [ALARM ACK] key
again or select the TARGET ALARM box then push the left button. (When an
external buzzer is connected, the audio alarm does not stop until the alarm zone
itself is deactivated.) The TARGET ALARM box shows "TGT ALMx WORK."
1.23.3 Deactivating a target alarm
Left-click TARGET ALARM1 or TARGET ALARM 2 box, whichever alarm you
wish to deactivate, until the alarm status in the TARGET ALARM box disappears.
In this radar deactivation of the target alarm zone 1 deactivates target alarm
zone 2.
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