Maintenance - Security Tronix ST-DVR4CH User Manual

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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