6/28/2011 DOC.NO.: 150D - 1
P/N RE 150D Rev. No. 1
20
Chapter 4: Operating Instruction
4.1
Switch Functions
ACK Key:
This key is used in Fire / Fault Condition. To acknowledge
the external sounder / internal buzzer press this key. During fire
condition, after silencing the silence LED glows to indicate that
external Sounders (NAC) are silenced and authorized person is
accessed.
RESET Key:
This key is also used in only Fire Condition. The panel is
reset by pressing this key and during reset condition, all the
detector input voltages are cut off up to 3 seconds for Detectors
and MCP’s, Then voltages are put on to the loop.
LAMP TEST Key:
This key is used to check the all LED’s in panel is in
good condition with continuous buzzer tone.
SELECT Key:
This key is used to select the particular zone for the self
test and isolation purpose.
