5
LED indicators, Push buttons, etc.
The functions of the LEDs, push buttons, display and buzzer are described
below.
5.1
Alert Annunciation Unit 1736
Fire
Acknowledge
Extinguishing
Acknowledge
Fire brigade aborted
Operation
Acknowledge
Test
Figure 2. Alert Annunciation Unit (AAU) 1736 front
The following is valid in quiescent (normal) condition:
LED "L6" is turned on if the alert annunciation function is enabled
else turned off.
Buzzer is silent.
No text in the display and no back-light.
No control button can be used.
2
The AA function is normally enabled (during daytime) / disabled (during night-time)
via a time channel.
3
Press "P5" (Test) for a test of the LEDs, the buzzer and the display (back-light and
dots). NOTE! This must be done only in quiescent condition.
Alarm queued
3
10
Technical Description
AAU 1736 – Rev 1
Acknowledge
Silence alarm devices
Reset
2
,