DDR-E08AA Hardware User Manual
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3. Video transmission distance is too far or video transmission line
attenuation is too much.
4. Wrong settings of colors, brightness in the DVR
Q 6.
No recorded file in local side
A : The possible causes:
1. Wrong data cable or jumper error in the hard disk
2. Hard Disk error
3. Upgraded firmware cannot recognize the existing file system
4. Desired files are overwritten
5. Recording not enabled
Q 7.
Bad image when playback
A : The possible causes:
1. Low recording quality
2. Once data error when reading or small bit-rate or fuzzy when
playback, please reboot machine
3. Wrong data cable or jumper error in the hard disk
4. Hard Disk error
5. DVR hardware error
Q 8.
Wrong time
A : The possible causes:
1. Wrong settings
2. Bad battery connection or low voltage
3. Bad frequency oscillator
Q 9.
Motion detection not function
A : The possible causes:
1. Wrong schedule setting
2. Wrong area setting
3. Low sensitivity
4. Hardware limitation for different version
Q 10.
Fail to login by using client software or Web browsers
A : The possible causes:
1. Upgrade the
Internet Explorer
to 8 or above.
2. Wrong user/password
3. Wrong client software for the DVR firmware
Q 11.
Mosaic or no video when Network preview and file playback
A : The possible causes:
1. Network traffic jam
2. Bandwidth limitation in the DVR side
3. No rights for the user account