5. OPERATION
5-23
5.18.4 How to sleep a target alarm temporarily
When you do not require a target alarm temporarily, you can sleep the target alarm.
The alarm zone remains on the screen, but any targets that enter (or exit) the alarm
zone do not trigger the audio and visual alarms.
1. Press the ALARM key to select the ALARM 1 or ALARM 2 indication at the upper-
right corner on the screen. The selected indication is in a rectangle.
2. Press the MENU/ESC key. The alarm indication now shows "ALM1(or 2)_ACK".
To activate a sleeping target alarm zone, press the ALARM key to select the ALARM
1 or ALARM 2 and press the ENTER key. The alarm indication then changes to
"ALM1(or 2)_IN(or OUT)".
5.18.5 How to deactivate a target alarm
1. Press the ALARM key to select the ALARM 1 or ALARM 2 indication at the upper-
right corner on the screen. The selected indication is in a rectangle.
2. Press the MENU/ESC key. The alarm indication now shows "ALM1(or 2)_ACK".
3. Press the ALARM key. The alarm indication "ALM1(or 2)_ACK" is shown in a
dashed-line rectangle.
4. Press the MENU/ESC key. The target alarm zone and the alarm indication are
erased from the screen.
5.18.6 How to select the target strength which triggers a target alarm
You can select the target strength which triggers the target alarm as follows:
1. Press the MENU/ESC key to open the menu.
2. Use the Cursorpad ( or ) to select [Alarm] and press the ENTER key.
3. Use the Cursorpad ( or ) to select [Alarm Level] and press the ENTER key.
Alarm Level options
4. Use the Cursorpad ( or ) to select the echo strength level.
5. Press the ENTER key followed by the MENU/ESC key.
5.18.7 How to turn the buzzer on/off
You can turn on/off the panel buzzer or external buzzer for target alarms. The panel
buzzer is for this equipment. The external buzzer is for the optional buzzer, which is
connected to this equipment to give the target alarm at a remote location.
1. Press the MENU/ESC key to open the menu.
2. Use the Cursorpad ( or ) to select [Alarm] and press the ENTER key.
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