ECOTEST DKG-21 M Operating Manual page 45

4.2 Preparation of the dosimeter for operation
4.2.1 Scope and order of external examination
4.2.1.1 Before using the dosimeter, unpack it and
check if the delivery kit is complete. Examine for
mechanical damages.
4.2.2 Rules and order of examination for operational
readiness
4.2.2.1 Examine the control buttons before switching
the dosimeter on.
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