Only replace by the same type or similar types recommended by the manufacturer.
Remove empty battery in accordance with the instructions of the manufacturer.
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Insert one 9 V block and make sure that the poles are correct.
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Replace the compartment cover.
Batteries are hazardous waste and should not be disposed of with regular domestic waste!
Please take discharged batteries to a collection center near you.
5.2 Calibration
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Remove the battery cover and fold up the housing cover. Adjust the trimming control by means of a screw
driver unit the display indicates 94.0 dB.
The unit was calibrated before leaving the factory. The suggested adjustment cycle is one year.
CAUTION!
Danger of explosion when battery is replaced improperly.
BATTERY DISPOSAL NOTICE
Please dispose of discharged batteries properly.
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