DF4510HD | DF4910HD | DDF4510HDV-IM/-SM | DDF4910HDV-IM/-SM
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16 Maintenance
The housings of the units may only be opened by qualified personnel for commissioning,
inspection, maintenance and repair.
Cleaning
If it is necessary to clean the devices, observe the following notes:
Notice
Damage to the surface of the devices
Clean the housings (outside) with a soft, dry and antistatic cloth.
Do not use detergents.
Clean the plastic bubbles with water and some dishwashing agent us-
ing a soft, non-linting cloth or sponge.
Do not wipe the bubbles dry.
Do not use common glass cleaners.
Avoid excessive rubbing.
Dry gently with a clean dry cloth to avoid scratching the surface.
Damage to the image sensor
Only use approved methods and products for sensor cleaning.
For more information, contact the Dallmeier Support.
Always beware not to touch the image sensor or sensor glass in order
to avoid damages due to scratching or loss of image quality due to
fingerprints.
