8
3-1-2 Display
①
Liquid crystal display (LCD)
Displays gas concentration readings and
messages.
②
Power indication lamp
A lamp that keeps on when operating normally
after the instrument is turned on. It flashes hen
there is any trouble in the instrument.
③
Alarm indication lamp
A lamp that will flash and indicate during the
2nd gas alarm. It will keep on after the BZ. STOP
button is pressed.
④
Warning indication lamp
A lamp that will flash and indicate during the 1st
gas alarm. It will keep on after the BZ. STOP
button is pressed.
⑤
Maintenance indication lamp
A lamp that will flash during maintenance
mode.
⑥
Zero/
▲
button
A button used in zero, various adjustments
and to ascent numbers.
⑦
Test/
▼
button
A button used in the alarm test, various
adjustments and to descent numbers.
⑧
Alarm/Set button
A button to refer the alarm set point and to
confirm operations.
⑨
BZ.STOP button
A button to verify alarm conditions. It will stop
the buzzer sound.
⑩
Buzzer
It will make a sound to alarm people.
⑪
ESC switch
A button used in cancel operation.
11