9
After power on, firstly display the each parameter, then begin to the
self-test program as the following steps
：
1.
LCD display all fields, the white backlight is lit;
2.
LCD display full range value, the white backlight is lit;
3.
LCD display low alarm value, the orange backlight is lit;
；
4.
LCD display high alarm value, the red backlight is lit;
；
5.
Enter into pre-heat interface;
6.
After preheat, enter into the normal inspection mode.
Picture 3.2
、
Normal inspection interface
In the process of inspection, when the gas concentration exceed
the set level, AL1 and AL2 will display, meanwhile the red backlight
will light, means it alarm. When the gas detector occur obstacle will
display ERR.01, the orange backlight will light, then please check
and repair timely.
Remark
：
Before the inspection interface, if you want to skip the preheat,
then press “ok”. But our engineer suggest not do this, if skip the preheat
time will cause the unstable data.
3.2
、
Setting interface
Setting interface with the following item: Grade-I (AL1) alarm
