Dahua HAC-HDW1220R, Руководство пользователя, Страница: 4 / 16

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It is recommended to use the device with thunder proof device in order to improve thunder proof effect.
The grounding holes of the product are recommended to be grounded to further enhance the reliability
of the camera.
Do not touch the CCD (CMOS) optic component directly. You can use the blower to clean the dust or
dirt on the lens surface. Please use a dry cloth wetted by alcohol to wipe away the dust gently if it is
necessary to clean.
Always use the dry soft cloth to clean the device. If there is too much dust, please use the water to
dilute the mild detergent first and then use it to clean the device. Finally use the dry cloth to clean the
device. Don’t use volatile solvent like alcohol, benzene, thinner and etc or strong detergent with
abrasiveness, otherwise it will damage the surface coating or reduce the working performance of the
device.
Dome cover is an optical device, please don’t touch or wipe cover surface directly during installation
and use, please refer to the following methods to deal with once dirt is found:
Stained with dirt
Use oil-free soft brush or hair dries to remove it gently.
Stained with grease or fingerprint
Use soft cloth to wipe the water drop or oil gently to make it dry, then use oil-free cotton cloth or paper
soaked with alcohol or detergent to wipe from the lens center to outward. It is ok to change the cloth
and wipe several times if it is not clean enough.
Warning
Please use the standard accessories provided by manufacturer and make sure the device is installed
and fixed by professional engineers.
Please prevent the device surface from the radiation of laser beam when using laser beam device.
Please do not provide two or more power supply modes for the device, otherwise it may cause damage
to the device.
Statement
Please refer to the actual product for more details; the manual is just for reference.
The manual will be regularly upgraded according to the product update; the upgraded content will be
added in the manual without prior announcement.
Please contact the supplier or customer service if there is any problem occurred when using the device.
Please contact the customer service for the latest procedure and supplementary documentation.
There may be deviation between the actual value of some data and the value provided in the manual
due to the reasons such as the real environment is not stable and so on. Please refer to the company’s
final explanation if there is any doubt or dispute.
The company is not liable for any loss caused by the operation which is not followed by the manual.