1) Power: green,blinking after power on and go out when alarming
Alarm: red or yellow light when alarming and go out when stop alarming
Test : press it down and green light turn off, alarm light turn on and buzzer sounds "D,D,D..."at same time
2) After power on,green light start blinking and last 3 minutes then the system enters normal working condition
3) When the concentration of gas reaches the alarm value,detector will start alarming,then green light turn off, alarm light turn
on and buzzer sounds "D,D,D..."at same time, it will stop after the concentration of gas under alarm value
4) If detector come with manipulator or magnetic valve ,when it alarming,they will shut the gas source valve at time
5) If detector come with wired networking funtion,monitoring station will receive NO/NC signal when alarming; wireless detector
will transmitting 2~3 signal