Q-See QC40198 - Manual (Page 133)

TROUBLESHOOTING
QC40198 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.