H.264 Super Digital Video Recorder User Manual
71
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.
4
An 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.
21
、
The storage time is not enough.
Possible reasons are as followed:
1
Front camera quality is bad. The lens is too dirty. The camera is in backlighting installation.
2
The hard disk capacity is not enough.
3
The hard disk is damaged.
22
、
The downloading files can not play.
Possible reasons are as followed:
