local menu operation.
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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