H.264 Network Digital Video Recorder User Manual
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Please contact the local service or call the HQ service. We will offer the service according the machine
type and the program edition.
5.2 Maintenance
1 Please brush printed circuit boards, connectors, fans, machine box and so on regularly.
2 Please keep the grounding well done to prevent the video or audio signal interfered and the
DVR from static or inductive electricity.
3 Do not pull out the video signal line or RS-232 port or RS-485 port with the power on.
4 Do not use the TV in the local video output port(VOUT) of DVR. It will damage the video output
circuit easily.
5 Do not turn off the switch directly. Please use the turn-off function in the menu or press the
turn-off button in the panel (3 seconds or longer) to protect the hard disk.
6 Please keep the DVR away from heat resource.
7 Please keep the DVR ventilated for better heat radiator.
Please check the system and maintain regularly.
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