IC Realtime NVR-708NS Product Manual - Page 144

There is no audio when monitor.

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z Device 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 device to solve this problem. z HDD data ribbon error. z HDD malfunction. z Device 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 Device 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. Device 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 device protocol is not compatible. 135

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135
Device color or brightness setup is not correct.
6. Can not search local records.
There are following possibilities:
HDD ribbon is damaged.
HDD is broken.
Upgraded program is not compatible.
The recorded file has been overwritten.
Record function has been disabled.
7. Video is distorted when searching local records.
There are following possibilities:
Video quality setup is too low.
Program read error, bit data is too small. There is mosaic in the full screen. Please
restart the device to solve this problem.
HDD data ribbon error.
HDD malfunction.
Device hardware malfunctions.
8. There is no audio when monitor.
There are following possibilities:
It is not a power picker.
It is not a power acoustics.
Audio cable is damaged.
Device hardware malfunctions.
9. There is audio when monitor but there is no audio when system playback.
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 following possibilities:
Setup is not correct
Battery contact is not correct or voltage is too low.
Crystal is broken.
11. Device can not control PTZ.
There are following possibilities:
Front panel PTZ error
PTZ decoder setup, connection or installation is not correct.
Cable connection is not correct.
PTZ setup is not correct.
PTZ decoder and device protocol is not compatible.