Main features
1 single window corresponding detection
2 for the electrical automatic conversion
3 permanent clock shows
4 diagnosing
5 automatic control peripherals
Acousto-optic alarm 

6 Highlight LCD digital display
host
1 refers to the probe's poems

2corresponding to corresponding detection concentration his position of flammable gas concentrations
3points  time to show

4 alarm indicator   red detection of gas concentrations reach or exceed the alarm set the indicator

5 failure indicator  yellow detectors the communication failures occur indicator
For electric lights

6 the electricity doesn't work, automatic startup for electricity the indicator
The power indicator

7this light shows the electricity work normally
8 key  click this button  can undertake alarm concentration.
9 button click this button  can undertake time setting
10 inquires the key  concentration time adjusting button.
11 lock button  concentration/time adjust keys.
12 the mute button  click this button, the alarm sound or malfunction
13 reset button  alarm accident or fault accident processed, click this button into normal monitoring status
14 self-check key  machine self-inspection