Dahua A10306 Schnellstart-Handbuch - Seite 5
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It is recommended to use the device together with lightning arrester to improve lightning
protection effect.
It is recommended connect the grounding hole to the ground to enhance the reliability of
the device.
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.
Device body can be cleaned with soft dry cloth, which can also be used to remove
stubborn stains when moistened 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 and so on 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 moisten oil-free cotton with diethyl or moisten soft cloth. You can also air blower
to remove dust.
Please strengthen the protection of network, device data and personal information by
adopting measures which include but not limited to using strong password, modifying
password regularly, upgrading firmware to the latest version, and isolating computer
network. For some device with old firmware versions, the ONVIF password will not be
modified automatically along with the modification of the system password, and you need
to upgrade the firmware or manually update the ONVIF password.
Use standard components or accessories provided by manufacturer and make sure the
device is installed and maintained by professional engineers.
The surface of the image sensor should not be exposed 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.
Important Safeguards and Warnings IV