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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 NVR.
Possible reasons are as followed:
1 The serial port of the NVR 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.
4
A alarm is connected with two loops synchronously.
20、
The remote controller is not working,
Possible reasons are as followed:
1
The remote control address is not correct.
2
The remote control distance is too far or the angle is too large.
3
The battery is used up.
4
The remote controller or the front panel of the recording machine is damaged.
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