ECOTEST DKG-21 M Operating Manual page 89

5.1.3.4 Power supply switch off
Power supply should be switched off before the
long-term storage of the dosimeter. Do this as follows:
- switch the dosimeter off;
- open the lid of the battery compartment;
- remove the battery;
- examine the battery compartment, check the
contact clamps accuracy, clean the battery compartment
from contamination and contact clamps from oxides;
- make sure there is no humidity, no salt spots on the
surface of the battery, and no damages of the insulated
coating.
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