FAQ
160
• Program read error, bit data is too small. There is a mosaic
displayed on the full screen. Please restart the DVR to solve this
problem.
• HDD data ribbon error.
• HDD malfunction.
• DVR hardware malfunctions.
8. There is no audio when live monitoring.
There are the following possibilities:
• The audio source is not a power picker.
• The audio output is not connected to a power speaker.
• Audio cable is damaged.
• DVR hardware malfunctions.
9. There is audio when monitoring, but there is no audio when system
enters playback mode.
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.
10. Time display is not correct.
There are the following possibilities:
• Setup is not correct
• Battery contact is not correct or voltage is too low.
• Crystal is broken.
11. DVR cannot control PTZ.
There are the following possibilities:
• Front panel PTZ error
• PTZ decoder setup, connection or installation is incorrect.
• Cable connection is incorrect.
• PTZ setup is incorrect.