IC Realtime Combo Series: 8 Channel DVR with built-in 19 LCD monitor User Manual
Page 128

119
z
There is no video input signal or it is too weak.
z
Check privacy mask setup or your screen saver.
z
Combo DVR hardware malfunctions.
6. Real-time video color is distorted.
There are following possibilities:
z
When using BNC output, NTSC and PAL setup is not correct. The real-time video
becomes black and white.
z
Combo DVR and monitor resistance is not compatible.
z
Video transmission is too long or degrading is too huge.
z
Combo DVR color or brightness setup is not correct.
7. Can not search local records.
There are following possibilities:
z
HDD ribbon is damaged.
z
HDD is broken.
z
Upgraded program is not compatible.
z
The recorded file has been overwritten.
z
Record function has been disabled.
8. Video is distorted when searching local records.
There are following possibilities:
z
Video quality setup is too low.
z
Program read error, bit data is too small. There is mosaic in the full screen. Please
restart the combo DVR to solve this problem.
z
HDD data ribbon error.
z
HDD
malfunction.
z
Combo DVR hardware malfunctions.
9. There is no audio when monitor.
There are following possibilities:
z
It is not an active picker.
z
It is not an active acoustics.
z
Audio cable is damaged.
z
Combo DVR hardware malfunctions.
10. There is audio when monitor but there is no audio when system playback.
There are following possibilities:
z
Setup is not correct. Please enable audio function
z
Corresponding channel has no video input. Playback is not continuous when the screen
is blue.
11. Time display is not correct.
There are following possibilities:
z
Setup is not correct