Status indicator light of fire engine
L alarm start light: red, when the alarm is on, the light is lit, and when the alarm or alarm is stopped, the lamp goes out.
the machine alarm) when a fault occurs, it can be masked, to be repaired or replaced, then cancel the shielding function recover equipment
L shielding light: yellow, when the external device (detector, module or fire display panel
Monitor light: red, this light indicates that the controller detects the monitoring signal of external equipment, and the system is in the state of supervision
