45
xp system.
23.
I cannot remember the advanced code or network code in the 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.
4.2 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
Please keep the DVR away from heat resource.
6
Please keep the DVR ventilated for better heat radiator.
Please check the system and maintain regularly.