User Manual

Chapter 4
Operation
47
Audio
Annunciation and alarms
When a keypad is programmed for site annunciation, it stacks as many as 32 call-in requests in the order in
which they are received. The numbers of the first three sites appear in the keypad’s display window
(Figure 60).
Figure 60. Normal operating display with annunciation
To call up the first site:
Press the 1st key. The site will be removed from the queue and the waiting requests will move up in order.
To call up any site in the queue:
Press 0 through 9 to enter a site number. The site will be removed from the queue and the waiting requests will
move up on order.
Note: When an annunciation call is received, a tone sounds every 15 seconds until the call is cleared by an operator. In
multiplexer mode, the tone sounds every 5 seconds.
Two-way audio
To establish two-way audio communication with a site:
1. Press 0 through 9 to enter a site number.
2. Use the vol (volume) keys to adjust the audio level.
3. Press aux 4 to talk to the site. The aux 4 key on the audio-version of the keypad automatically defaults
to the talk function.
CAM 000 1ST
2ND 3RD