5 How to Operate
5-9. How to exit
- 38 -
5-8-4. Backup point selection function
On GP-147, whether to perform backup can be selected for each indicator using the selector switch.
Power can be supplied only to the necessary point in the event of a blackout to perform continuous
monitoring of gas leakage efficiently.
<How to Select a Backup Point>
(1) Open the front cover of the main unit to find the selector switch for backup located on the PCB of each
indicator unit (CH1/CH2).
(2) Select ON/OFF for each channel using the selector switch for backup. Select ON to perform backup in
the event of a blackout, or select OFF when backup is not required.
Front
Inside
5-9. How to exit
To turn off the alarm system, open the front cover of the base unit and turn "OFF" the power switch.
Then, turn off the power supply (100 - 240 VAC) to the alarm system.
The selector switch for backup is
located on the PCB of each
indicator unit.
WARNING
When the alarm system is turned off, an alarm may be activated on the upper (central) system.
Before turning off the alarm system, the inhibit (point skip) on the upper (central) system must
be activated.
Decide whether the power can be turned off by checking the operation of the devices
connected to the external output or external contact output terminal of the alarm system.