1. OPERATIONAL OVERVIEW
1-21
1.19.2
Acknowledging the alarm
A target in the target alarm zone produces both visual (flashing) and audible (beep) alarms. To
silence the audible alarm, press the
CANCEL/HL OFF
key. The alarm status shows "ALARM1(or
2) ACK." This will deactivate the audible alarm but will not stop the flashing of the offending target.
To reactivate the audible alarm, press the
CANCEL/HL OFF
key The alarm status is then shown
as ALARM 1 (or 2) IN(or OUT).
1.19.3
Choosing alarm type
As noted earlier the target alarm may be set sound against targets entering or exiting the alarm.
Choose desired type as below.
In and Out alarms
1. Press the
MENU
key to shown the menu.
2. Choose the Mark menu and then press the
ENTER
key.
3. Choose Target Alarm1 Mode or Target Alarm2 Mode as appropriate and then press the
ENTER
key.
4. Choose In to get the alarm on targets entering target alarm zone or Out to get the alarm on
targets exiting a target alarm zone.
5. Press the
ENTER
key followed by the
MENU
key.
1.19.4
Deactivating a target alarm
1. Press the
TARGET ALARM
key to choose ALARM1 or ALARM2 indication at the bottom right
corner on the screen. The selected indication is circumscribed with a rectangle.
2. Press the
CANCEL/HL OFF
key.
3. Press the
TARGET ALARM
key again, and a dashed rectangle circumscribes the alarm indi-
cation selected.
4. Press the
CANCEL/HL OFF
key again. The target alarm zone and the alarm indication are
erased from the screen.
Inward target alarm
Outward target alarm
In
Out
