DVR operation manual
75
1 Network is not stable.
2 The user machine is resource limited.
3 Choose the play-in-team mode in the network setup of device.
4 The region shelter or channel protection is set.
5 The user has no surveillance purview.
6 The real-time image of the hard disk recording machine itself 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 device is bad.
16. There is something wrong with the USB backup
Possible reasons are as followed:
1 The re-writable 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. 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.
18. 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.