101
9. The resolution of added device is too large to display by the monitor.
25
、
Click “search” why not search out any of the device.
Possible reasons are as followed:
1. There is no other device exist in the Local area network
2. The subnet mask setting incorrectly on Network settings.
26
、
The snapshot at alarm function was enable, why not catch picture
Possible reasons are as followed:
1. HDD manage without partition for snapshot.
2. Partition for snapshot is 0
3. The snapshot function is not enable on record-> storage of related channel.
27
、
The time shows on digital channel is not the same as local side:
Enable the time synchronous function of digital channel.
28
、
Can not see preview picture of analog channel
Possible reasons are as followed:
1. The camera did not connect to video interface
2. The device did not connect to video source
3. Video source is broken.
29
、
Picture will be frozen when multi-connection and shift devices.
Picture come out from digital channel need few seconds, shift device means to show
new picture, so it needs several seconds to buffer.
6.2 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.
