Digital Network Video Surveillance System
6. 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.
DVR and monitor resistance is not compatible.
Video transmission is too long or degrading is too huge.
DVR color or brightness setup is not correct.
7. Can not search local records.
There are following possibilities:
SD card connection is loose or the installation is improper.
SD card is broken.
Upgraded program is not compatible.
The recorded file has been overwritten.
Record function has been disabled.
8. 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
DVR to solve this problem.
SD card malfunction.
DVR hardware malfunctions.
9. There is no audio when monitor.
There are following possibilities:
It is not a power picker.
It is not a power acoustics.
Audio cable is damaged.
DVR hardware malfunctions.
10. There is audio when monitor but there is no audio when system playback.
There are following possibilities:
Setup is not correct. Please enable audio function
Corresponding channel has no video input. Playback is not continuous when the screen is blue.
11. Time display is not correct.
Unisight Digital Technologies, Inc.
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