Function
Alarm indicator is installed in the engine control console for repeating general emergency alarm, telegraph signal, telephone call, main engine fault, Co2 release alarm, fire alarm, personnel alarm and water mist alarm so that duty crew could take measures immediately.
Input signal display color:
(Milky white): telephone call, telegraph signal
(Red): fire alarm, CO2 release alarm
(Green): general emergency alarm
(Amber): main engine fault, personnel alarm and water mist alarm.

Power supply: SGF-6/7/8  DC24V

                       SGF-6A/7A/8A  AC220V±10%

Color: Sea gray（RAL 9005）

IP class: IP20/44

Weight: 1.5/2.2Kg

Power loss: 5W

Stuffing box cable entrance hole size:2- Φ18mm

Identified signal:

General emergency alarm, telegraph signal, telephone call, main engine fault, CO2 release alarm, fire alarm, personnel alarm and water mist alarm

Mode of communication: Serial communication 

Alarm signal loudness: 70dB～90dB

Telephone call or telegraph alarm:

600Hz Intermittent alarm tone

Main engine fault:

800Hz/1000Hz Conversion alarm tone 

General emergency alarm:

1000Hz Seven short and one long alarm tone

CO2 Release alarm: 1000Hz Continuous alarm tone

Fire alarm: 500～1200Hz Continuous FM alarm tone

Personnel alarm: 500～1000Hz Intermittent FM alarm tone in equal changes

Water mist alarm: 1000Hz Continuous alarm tone