Delta Embedded DVR User Manual download pdf (Page 149)

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z PTZ decoder and DVR address is not compatible.

z When there are several decoders, please add 120 Ohm between the PTZ decoder A/B

cables furthest end to delete the reverberation or impedance matching. Otherwise the

PTZ control is not stable.

z The distance is too far.

12. Motion detection function does not work.

There are following possibilities:

z Period setup is not correct.

z Motion detection zone setup is not correct.

z Sensitivity is too low.

z For some versions, there is hardware limit.

13. Can not log in client-end or web.

There are following possibilities:

z For Windows 98 or Windows ME user, please update your system to Windows 2000

sp4. Or you can install client-end software of lower version. Please note right now, our

DVR is not compatible with Windows VISTA control.

z ActiveX control has been disabled.

z No dx8.1 or higher. Please upgrade display card driver.

z Network connection error.

z Network setup error.

z Password or user name is invalid.

z Client-end is not compatible with DVR program.

14. There is only mosaic no video when preview or playback video file remotely.

There are following possibilities:

z Network fluency is not good.

z Client-end resources are limit.

z There is multiple-cast group setup in DVR. This mode can result in mosaic. Usually we

do not recommend this mode.

z There is privacy mask or channel protection setup.

z Current user has no right to monitor.

z DVR local video output quality is not good.

15. Network connection is not stable.

There are following possibilities:

z Network is not stable.

z IP address conflict.

z MAC address conflict.

z PC or DVR network card is not good.

16. Burn error /USB back error.

There are following possibilities:

z Burner and DVR are in the same data cable.

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Delta Embedded DVR User Manual Page 149