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Target Alarm Zone (TAZ)
A
B
When the radar has an ARPA board ARP-26, a total of
four alarm zones (2 each TAZ and GZ) may be set.
The 2nd TAZ or 2nd GZ is available only when the
1st TAZ or 1st GZ is valid.
Figure 1-24 How to set target alarm zone
1.21.2 Acknowledging alarm
A target entering the watch zone produces both visual (flashing) and audible (beeping)
alarms. To silence the audible alarm, press the [2] key shortly on the FUNCTIONS 1 menu
and the label TGT ALARM1 ACK replaces TGT ALARM1 on the display.
This will deactivate the audible alarm but will not stop the flashing of the target in the target
alarm zone. To reactivate the audible alarm, press the [2] key again on the FUNCTIONS 1
menu.
When an external buzzer is connected, the audible alarm does not stop until the target
alarm is deactivated.
1.21.3 Deactivating target alarm
Hold the [2] key depressed for at least five seconds on the FUNCTIONS 1 menu.
1.21.4 Inward and outward target alarms
An inward or outward target alarm can be selected on the RADAR 2 menu. The inward
target alarm generates visual and audible warnings when a target enters the guard zone
from any direction. The outward target alarm is produced when a target leaves the target
alarm zone.
(a) Inward target alarm (b) Outward target alar
m
Figure 1-25 Inward and outward target alarm zones