H.264 Super Digital Video Recorder User Manual
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Possible reasons are as followed:
1
Network is not stable.
2
IP address is conflicted.
3
MAC address is conflicted.
4
The network card of the computer or the hard disk recording machine is bad.
16
、
There is something wrong with the USB backup or writing a CD.
Possible reasons are as followed:
1
The rewritable machine and the hard disk are shared the same data lines.
2
The data is too much. Please stop recording and backup.
3
The data exceeds the backup storage.
4
The backup equipment is not compatible.
5
The backup equipment is damaged.
17
、
The keyboard can not control the DVR.
Possible reasons are as followed:
1
The serial port of the DVR is not set correctly.
2
The address is not correct.
3
When multiple transformers are connected, the power supply is not large enough. Please give each
transformer individual power supply.
4
The distance is too far.
18
、
Alarm can not be recessional.
Possible reasons are as followed:
1
The setting of the alarm is not correct.
2
The alarm output is turned on manually.
3
The input machine is damaged or the connections are not correct.
4
There are some problems for specific program edition, Please update the program.
19
、
Alarm is not working.
Possible reasons are as followed:
1
The setting of the alarm is not correct.
2
The connection of the alarm is not correct.
3
The alarm input signal is not correct.