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95
2.
PTZ decoder, protocol, baud rate, address are incorrect;
3.
Parallel connect a 120
Ω
resistance to resolve signal reflex caused by too many PTZs on the line.
4.
The RS-485 port on DVR is defective
Blurred screen in preview mode
Possible reasons:
Please make sure your cameras match your video format selected in the General menu. E.g. camera is NTSC standard
but the DVR is PAL standard, the preview would be blurred.
Blurred screen in playback mode or failure to playback records
Possible reasons:
1.
Procedure error, reboot the DVR
2.
HDD error, test or change out the HDD
3.
DVR hardware failure, contact your local supplier
Can not c
Possible re
1.
Chec
2.
Chec
3.
Chec
Download recording can not be played
Possible reasons:
1.
Player installation error.
2.
The USB or HDD device has an error.
3.
Do not install graphic software later than DX8.1.
Internet Explore Crash
Possible reasons:
Close IE explore, enter into the tool bar.