Dvr-systems NVR38xx Series Manuel d'utilisateur télécharger pdf (Page 121)

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 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.

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Dvr-systems NVR38xx Series Manuel d'utilisateur Page 121