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(7) Alarm set value selection
The figures of alarm set value start blinking by pressing ENTER switch for 5 seconds,
alarm set value can be selectable.
Available alarm set values are following 3 kinds. 1000ppm ・ 5000ppm ・ OFF
① 700 ppm
(Gas concentration indication.)
Press BAT/AL switch.
② BATT.:E ---|-- F
(Sample indication.)
Press BAT/AL switch.
③ ALARM: 1000 ppm
(Alarm set value indication.)
Keep pressing ENTER switch.
④ HOLD ENTER KEY
Press ENTER switch for 5 seconds.
⑤ ALARM: 1000 ppm
(Figures blinking.)
By + - switches, alarm set value can be
selectable.
⑥ ALARM: OFF
(Figures blinking.)
Press ENTER switch, alarm set value selected newly.
Press ESC switch, previous alarm set value is kept.
⑦ ALARM: OFF
(Alarm set value indication.)
Press BAT/AL switch.
⑧ 700 ppm
(Gas concentration indication.)
2-4 How to finish
How to turn off.
By pressing ON/OFF switch for 5 seconds, the power turns off.
The buzzer alarms approx. 15 times while pressing ON/OFF switch.