Page 61
is not clear.
15.
Network connection is not stable.
Possible reasons are as followed:
1
Network is not stable.
2
IP address is conflicted.
3
MAC address is conflicted.
4
The net card of the DVR 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 cannot 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 cannot 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.
Summary of Contents for B series
Page 1: ...Page 0 ...
Page 73: ...Page 72 ...