Dahua Technology IPC-HDW5842T-ZE, Руководство по эксплуатации

Страница: 459 / 473

Quick Start Guide
IV

Do not touch the image sensor (CMOS) directly. Dust and dirt could be removed with air blower,
or you can wipe the lens gently with soft cloth that moistened with alcohol.

You can clean the device body with soft dry cloth, and for stubborn stains, use the cloth with
mild detergent. To avoid possible damage on device body coating which could cause
performance decrease, do not use volatile solvent such as alcohol, benzene, diluent to clean the
device body, nor can strong, abrasive detergent be used.

Dome cover is an optical component. Do not touch or wipe the cover with your hands directly
during installation or operation. For removing dust, grease or fingerprints, wipe gently with
moistened oil-free cotton with diethyl or moistened soft cloth. You can also remove dust with an
air blower.
WARNING

Strengthen the protection of network, device data and personal information by adopting
measures which include but not limited to using strong password, changing password regularly,
upgrading firmware to the latest version, and isolating computer network. For some devices
with old firmware versions, the ONVIF password will not be changed automatically along with
changing the system password, and you need to upgrade the firmware or manually change the
ONVIF password.

Use standard components or accessories provided by manufacturer and make sure the device is
installed and maintained by professional engineers.

Do not expose the surface of the image sensor to laser beam radiation in an environment where
a laser beam device is used.

Do not provide two or more power supply sources for the device unless otherwise specified. A
failure to follow this instruction might cause damage to the device.