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11).
The DVR can not control the PTZ.
Possible reasons are as followed:
1 There is something wrong with the frontal PTZ.
2 The setting, connection or the installation of the PTZ decoder is not
correct.
3 The connections are not correct.
4 The PTZ setting of the DVR is not correct.
5 The protocols of the PTZ decoder and the DVR are not matched.
6 The address of the PTZ decoder and the DVR are not matched.
7 When multiple decoders are connected, the far port of the PTZ decoder
line A(B) must connect a 120 Ω resistance to reduce the relection
otherwise the PTZ control is not stable.
8 The distance is too far.
12).
The motion detect is not working.
Possible reasons are as followed:
1 The time range set is not correct.
2 The motion detect area set is not correct.
3 The sensitivity is too low.
4 Limited by some hardware edition.
13).
I can not login via web or CMS.
Possible reasons are as followed:
1 The system is windows 98 or win me. We recommend updating to win
dows 2000sp4 or higher Version or installing the software for low
edition.
2 ActiveX is hold back.
3 The version is not exceeded dx8.1. Update the display card driver.
4 Network connection failure.
5 Network setting issues.
6 Invalid password or user name.
7 The CMS is not matched the DVR program version.
14).
The image is not clear or there is no image in network preview state
or video ile playback state.
Possible reasons are as followed:
1 Network is not stable.
2 The user machine is resource limited.
3 Choose the play-in-team mode in the network setup of DVR.
4 The region shelter or channel protection is set.
5 The user has no surveillance purview.
6 The real-time image of the hard disk recording machine itself is not
clear.
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