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9. Maintaining the device
9.1 Cleaning
WARNING
Danger of electric shock
Do not bring the device into contact with moisture or water.
NOTICE
Remove light and intractable dirt with a dry micro-fibre cloth.
9.2 Battery replacement
NOTICE
For this device use only accessories and batteries which comply with the
prescribed specification. (See technical specifications.)
1. Pull off the battery compartment cover on the bottom side of the device.
2. Replace the battery. Ensure correct polarity.
3. Close the battery compartment again.