Digital Video Recorder: User manual
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The distance is too far.
18.
Alarm cannot be recessional.
Possible reasons are as followed:
The setting of the alarm is not correct.
The alarm output Is turned on manually.
The input machine is damaged or the connections are not correct.
There are some problems for specific program edition, please update the program.
19.
Alarm is not working.
Possible reasons are as followed:
The setting of the alarm is not correct.
The connection of the alarm is not correct.
The alarm input signal is not correct.
An alarm is connected with two loops synchronously.
20.
The remote controller is not working.
Possible reasons are as followed:
The remote control address is not correct.
The remote control distance is too far or the angle is too large.
The battery is used up.
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:
Front vidicon quality is bad. The lens is too dirty. The vidicon is in backlighting installation.
The hard disk capability is not enough.
The hard disk is damaged.
22.
The downloading file cannot play.
