IC Realtime DVR-FLEX16E Product Manual - Page 175
There is no audio when monitor.
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z DVR color or brightness setup is not correct. 6. 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. 7. 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 DVR to solve this problem. z HDD data ribbon error. z HDD malfunction. z DVR hardware malfunctions. 8. There is no audio when monitor. There are following possibilities: z It is not a power picker. z It is not a power acoustics. z Audio cable is damaged. z DVR hardware malfunctions. 9. 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. 10. Time display is not correct. There are following possibilities: z Setup is not correct z Battery contact is not correct or voltage is too low. z Crystal is broken. 11. DVR can not control PTZ. There are following possibilities: z Front panel PTZ error z PTZ decoder setup, connection or installation is not correct. z Cable connection is not correct. z PTZ setup is not correct. z PTZ decoder and DVR protocol is not compatible. 165