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4. There is no video output whether it is one-channel, multiple-channel
or all-channel output.
There are following possibilities:
•
Firmware is not compatible. Please upgrade to the latest version.
•
Brightness is 0. Please restore factory default setup.
•
There is no video input signal or it is too weak.
•
Check privacy mask setup or your screen saver.
•
NVR hardware malfunctions.
5. Real-time video color is distorted.
There are following possibilities:
•
When using BNC output, NTSC and PAL setup is not correct. The real-time
video becomes black and white.
•
NVR and monitor is not compatible.
•
Video transmission is too long or degrading is too huge.
•
NVR color or brightness setup is not correct.
6. Can not search local records.
There are following possibilities:
•
HDD ribbon is damaged.
•
HDD is broken.
•
Upgraded program is not compatible.
•
The recorded file has been overwritten.
•
Record function has been disabled.
7. Video is distorted when searching local records.
There are following possibilities:
•
Video quality setup is too low.
•
Program read error, bit data is too small. There is mosaic in the full screen.
Please restart the NVR to solve this problem.
•
HDD data ribbon error.
•
HDD malfunction.
•
NVR hardware malfunctions.
