4. The network card of the computer or the hard disk recording machine 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 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. 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.
21. THE STORAGE TIME IS NOT ENOUGH
Possible reasons are as followed:
1. Front vidicon quality is bad. The lens is too dirty. The vidicon is in backlighting installation.
2. The hard disk capability is not enough.
3. The hard disk is damaged.
22. THE DOWNLOADING FILES CAN NOT PLAY
Possible reasons are as followed:
1. There is no media player.
2. There is no DX8.1 software or higher edition.
3. There is no DivX503Bundle.exe file to play AVI video files.
4. The DivX503Bundle.exe and ffdshow-2004 1012 .exe files must be installed in the windows xp system.
23. I CAN NOT REMEMBER THE ADVANCED CODE OR NETWORK CODE IN THE LOCAL MENU OPERATION
Please contact the local service or call the HQ service. We will offer the service according the machine type and
the program edition.
6.2 Maintenance
1. Please brush printed circuit boards, connectors, fans, machine box and so on regularly.
2. Please keep the grounding well done to prevent the video or audio signal interfered and the DVR from static or inductive
electricity.
3. Do not pull out the video signal line or RS-232 port or RS-485 port with the power on.
4. Do not use the TV in the local video output port(VOUT) of DVR. It will damage the video output circuit easily.
5. Do not turn off the switch directly. Please use the turn-off function in the menu or press the turn-off button in the panel
(3 seconds or longer) to protect the hard disk.
6. Please keep the DVR away from heat resource.
7. Please keep the DVR ventilated for better heat radiator.
Please check the system and maintain regularly.
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