Energizer PORTABLE GAS DETECTION INSTRUMENT - Manual (Page 13)

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sensor type has been changed or if the previous calibration was not suc-
cessful, the bottom line of the display will show “CALIBRATION REQUIRED”.
For Toxic Gases
0
MENU
For O
2
20.9% O
2
MENU
In the normal Operating Mode, the following information is displayed:
- Gas concentration in either ppm (toxic Gas) or % (oxygen)
- Battery life indication
- Backlight prompt
- Menu prompt
To turn OFF the instrument, depress and hold both push-buttons. The unit
will sound three successive “beeps” accompanied by flashes of the Red
LED. The instrument will then display the following screen:
DO YOU WANT TO TURN
THE UNIT OFF?
YES NO
ppm
<gas>