NV-DVR1004 / NV-DVR1004NET ver. 1.0 - User’s manual
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5
WARNINGS AND PRECAUTIONS
1. Installation and servicing of
NV-
DVR1004 or NV-DVR1004NET should only be carried out by
qualified service personnel and conform to all local regulations.
2. Do not place the Multiplexer in areas where ventilation openings might be blocked or covered.
3. There are no user-serviceable parts inside this unit. Only authorized service personnel may open the
unit. The equipment should be protected from mechanical damage and kept clean at all times.
4. Protect this device from being exposed to dust and moisture. In the event of the Multiplexer coming
into direct contact with water unplug the device immediately and contact qualified service
personnel. Dusty (soiled/dirty) equipment may be the cause of fire and / or electrical shock.
5. Unplug the unit from the outlet before cleaning. This device can be cleaned only with a clean damp
cloth. Try to avoid using chemically active liquid cleaners or aerosol. In the event of strong dirt it is
allowed to use gentle cleaning lotion.
6. Power supply wires as well as signal wires should be fixed in the way that there is no risk of
mechanical damage, Please take extra caution not to overload sockets and extension cords to
prevent from the risk of fire.
7. In order to prevent the unit from damage, video channel and signal wires should be equipped with
appropriate surge protection device conforming to European Union standards. We also advice
utilizing video and data transmission protection.
8. It is not allowed to operate this device in conditions not complying with exploitation requirements
in the range of power supply, relative air humidity or air temperature..
9. Metal objects cannot be put inside the device. It can cause major malfunction and/or damage the
unit. In the event of the above, user should contact service immediately for further assistance.
