Illuminated steady if any of the alarm devices (sounders
and/or strobes) have been disabled and flashes if any of the alarm devices (sounders and/or
strobes) are in fault. Disable has priority over fault
Illuminated steady if the fire output has been disabled and flashes if the fire
output is in fault (open or short circuit condition). Disable has priority over fault
Illuminated when the associated zone1-32 is in alarm.
7.3 Liquid Crystal Display
LCD is used to display abnormal conditions and for interrogation, control and programming activities.
When the FACP is in its normal state a default screen is displayed.
Backlight (refer to EN54.2:1997: 12.8.5):
The associated backlight is energised;
In access level 1 during initialisation
for 1 hour if a new fire or fault event occurs
for 25 seconds following any key press, otherwise it shall be switched OFF.
In access level 2 or higher the backlight shall always be ON.
Alarm, Fault and Isolate information is accessed through the Main Menu.
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