Ravel RE-2504 Installation, Commissioning & Operating User Manual page 41

4.2.1.2.1 Alarm Zone:
The zones circuit is designed for the class-B
wiring. The style of wiring can be changed using this
option. The Style of class-B can be changed as Style-
B or Style-C by pressing '#' key from the panel key
pad.
4.2.1.2.2 Supervisory Mode:
The preset supervisory zones can be selected
as resettable / latching mode. Press '#' to toggle
between options. A supervisory zone, programmed
for latching, requires manual reset to restore after
the supervisory alarm is cleared. A supervisory zone,
programmed for resettable, will be automatically
restored after the supervisory alarm is cleared.
4.2.1.2.3 Walk Test:
In this mode the NAC's can programmed as
Audible / Silenced by using the key '#' in the feature
sceen.
For an audible walktest, the panel detects any fire
then after 4 seconds the panel will get automatically
silenced. After 2 seconds, the panel will go to reset.
This reset is done for only that particular zone.
For an silenced walktest, the panel will not activate
the NAC's but buzzer tone is activated.
4.2.1.2.4 Auto Silence:
Auto-silence is the program feature that will
automatically silence the Notification Appliance
Circuits, if they are programmed as silenceable
circuits, after a programmed time interval. The
factory default setting is auto-silence disabled. Press
'#' to toggle between enabled / disabled option.
The Auto silence timing can be set from 001 to
999 seconds. After setting the required time press
Enter key to accept the time. When you enter into
this mode the screen will be as below.
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RE / DD / UM / 2508 V1.2- 01