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5.2 Maintenance
Please brush printed circuit boards, connectors, fans, machine box and so on regularly.
Please keep the grounding well done to prevent the video or audio signal interfered and the DVR from static or inductive electricity.
Do not pull out the video signal line or RS-232 port with the power on.
Do not use the TV in the local video output port (VOUT) of DVR. It will damage the video output circuit easily.
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.
Please keep the DVR away from heat resource.
Please keep the DVR ventilated for better heat radiator.
Please check the system and maintain regularly.
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Digital Video Recorder: User Manual
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