Technical data

Backlight
51
EN
8 Backlight
 Press any key to activate the backlight for 10
seconds.
9 Alarm
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.
10 Auto Power Off
Fig. 16: Deactivation of the auto power
off function
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.