VDH-DXN578A / VDH-DXN578C Hardware Manual
10
1. Networking not stable
2. IP conflict
3. MAC conflict
4. LAN card error (PC/DVR)
Q 16.
USB backup error
A : The possible causes:
1. CPU too busy to back up the data! Stop recording then backup!
2. Device not compatible
3. Backup device error
Q 17.
DVR can not be controlled by the keyboard
A : The possible causes:
1. DVR has wrong port setting
2. Wrong address
3. Low power for use; each adaptor need to be powered.
4. Transmission distance is too far
Q 18.
The remote controller can not work
A : The possible causes:
1. Wrong control address
2. Long distance or poor angle
3. Battery run out
4. Controller or DVR front panel is out of order
Q 19.
Short recording time
A : The possible causes:
1. Bigger data rate from poor camera quality, dirty lens, backlight
installation, bad aperture adjustment.
2. Small HDD storage
3. HDD damage
Q 20.
Download files can not be played back.
A : The possible causes:
1. No player
2. No graphic accelerator with DX8.1 or above
3. Save as AVI files and play with MEDIA PLAYER
Q 21.
Forget the administrative password or Internet password
A : The possible solution:
1.
Please contact local customer service staff or call the customer service
phone headquarters, we will guides you how to solve by the machine
type and version of the program.
