sewerin Snooper Mini - Automatic Power-Off; Display Illumination

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4.4 Automatic power-off
SNOOPER mini switches itself off automatically,
z as soon as the battery charge is no longer sufcient. (BATwillbeindicatedbrieyonthedisplay.)
The automatic power-off may also occur immediately after switching on the device! Exchange or
recharge batteries (see chapter 7.4).
z if the device is not operated for 20 minutes (i. e. no key is pressed) or if the display is not chang-
ing. (APFwillbeindicatedbrieyonthedisplay.)
4.5 Display illumination
The device automatically switches on the display illumination:
z if a key is pressed (duration of illumination 20 s),
z if the gas concentration is higher than 25 ppm.