Bosch B9512G Owner's Manual page 125

Control Panels
GAS. The blue GAS indicates a gas alarm.
– Flashing. An area has a gas alarm. You should leave
the premises immediately when there is a gas alarm.
– OFF. A gas alarm does not exist within the keypad's
scope.
Power. The blue power plug whether the control panel
has AC power.
– ON Steady. The AC (mains) power to the control
panel is present.
– Flashing. AC (mains) power to the control panel is
not present and the control panel is operating from
the battery.
– OFF. There is no power to the control panel.
Bosch Security Systems, Inc.
B92x keypad operation overview | en 125
2015.01 | 02 | F.01U.307.371