Maintenance - Dahua HAC-HFW1801C-A User Manual

C.amara hdcvi
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To maintain image quality and correct device operation,
Please read the following maintenance instructions carefully and keep a
strong adhesion.
Disassembly and replacement of the desiccant
Carefully follow the instructions in the manual when performing any device disassembly
-
operations; Otherwise, it may cause water leakage or poor image quality due to
unprofessional disassembly.
Please contact after-sales service for desiccant replacement if condensation appears on
-
the lens after taking it out of the box or when the desiccant turns green. (Not all models
include desiccant.)
Lens and lens protector maintenance
The lens and lens protector are covered with an anti-reflective coating that may become
-
contaminated or damaged, resulting in lens scratches or blurred images, if they come in
contact with dust, grease, fingerprints, or other similar substances.
Do not directly touch the image sensor (CCD or CMOS). Dust and dirt can be removed
-
with an air blower, or you can wipe the lens gently with a soft cloth moistened with
alcohol.
Device Body Maintenance
The device casing can be cleaned with a dry cloth, which can be slightly moistened with
-
mild detergent to remove stubborn stains.
To avoid possible damage to the coating of the device casing which could cause a
-
decrease in performance, do not use volatile solvents such as alcohol, benzene, white
spirit, etc. to clean the device casing, nor can you use a strong abrasive detergent .

11 Maintenance

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