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8
Backlight
9
Alarm
10
Auto Power Off
Fig. 16: Deactivation of the auto power
off function
Press any key to activate the backlight for 10
seconds.
The meter features audible alarm to give warnings
when CO concentration exceeds the limit. For
setting the alarm threshold see chapter 11.2.
Press any key to stop the alarm beep (except
the ON/OFF key).
The alarm beep stops when the CO value falls
below the set value.
The meter turns off automatically after 20 minutes
of inactivity.
To override the function, press ON/OFF and
HOLD for 2 seconds until "n" appears on screen.
NOTE!
The Auto Power Off Function will be disabled dur-
ing the calibration mode.
Backlight
EN
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