TROUBLESHOOTING
QC40198/QC40196 User Manual
124 |
P a g e
6. Real-time video color is distorted.
Possible causes:
When using BNC output, NTSC and PAL setup is not correct. The real-time video becomes black
and white.
Combo DVR and monitor resistance is not compatible.
Video transmission is too long signal is becoming degraded.
Combo DVR color or brightness setup is not correct.
7. Cannot search local records.
Possible causes:
HDD ribbon is damaged.
HDD 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.
Possible causes:
Video quality setting is too low.
Program read error, bit data is too small. There is mosaic in the full screen. Please restart the
combo DVR to solve this problem.
Hard drive data cable error.
Hard drive malfunction.
Combo DVR hardware malfunction.
9. There is no audio when monitoring.
Possible causes:
Channel with audio is not full screen, make the channel you want to hear audio on full screen.
Audio cable is damaged.
Combo DVR hardware malfunction.
10. There is audio when monitoring but there is no audio when system plays back.
Possible causes:
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.
Possible causes:
Setup is not correct
Battery contact is not correct or voltage is too low.
Crystal is broken.