dallmeier MDF4220HD, Commissioning

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Commissioning MDF4220HD
7 Maintenance
The device may only be opened by qualified personnel for commissioning,
inspection, maintenance and repair.
Cleaning
If it is necessary to clean the device, observe the following notes:
NOTICE
Damage to the surface of the device
➡ Clean the housing (outside) with a soft, dry and
antistatic cloth.
• Do not use detergents.
➡
If necessary, remove dust from the lens element
with a suitable bulb blower.
• Always beware not to touch the lens element in
order to avoid damages due to scratching or loss
of image quality due to fingerprints.
• Do not use canned air.
• Do not use organic solvents (alcohol, benzine) or
cotton buds for cleaning.