VDH-DXC836 Hardware Manual
13
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.
Alarms can not be stopped
A : The possible causes:
1. Wrong alarm settings
2. AlarmOut turned on manually
3. Input equipment error or wrong connections.
4. Wrong firmware problem; Upgrade firmware to fix it.
Q 19.
Alarms do not work
A : The possible causes:
1. Wrong alarm setting
2. Wrong alarm wiring
3. Wrong AlarmIn signal
4. One alarm equipment involves into two loops.
Q 20.
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 21.
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
