IC Realtime HDVR-MX0402-1U5MP-AI2-WEB Product Manual - Page 230
Cannot control PTZ on DVR.
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7. Video is distorted when searching local records. There are following possibilities: ● Video quality setup is too low quality. ● Program read error, bit data is too small. There is mosaic in the full screen. Please restart the DVR to solve this problem. ● HDD data jumper error. ● HDD malfunction. ● DVR hardware malfunctions. 8. No audio under monitor state. There are following possibilities: ● Audio is not enabled/ no audio in hardware. ● It is not a power acoustics. ● Audio cable is damaged. ● DVR hardware malfunctions. 9. There is audio under monitor state but no audio under playback state. There are following possibilities: ● Setup is incorrect. Please enable audio function. ● Corresponding channel has no video input. Playback is not continuous when the screen is blue. 10. System time is incorrect. There are following possibilities: ● Setup is incorrect. ● Battery contact is incorrect or voltage is too low. ● Crystal oscillator is broken. 11. Cannot control PTZ on DVR. There are following possibilities: ● Front panel PTZ error. ● PTZ decoder setup, connection or installation is incorrect. ● Cable connection is incorrect. ● PTZ setup is incorrect. ● PTZ decoder and DVR protocol is incompatible. ● PTZ decoder and DVR address is incompatible. ● 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. ● The cable distance is too far. 12. Motion detection function does not work. There are following possibilities: ● Period setup is incorrect. ● Motion detection zone setup is incorrect. ● Sensitivity is too low. ● For some versions, there is hardware limit. 13. Cannot log in client-end or web. There are following possibilities: ● For Windows 98 or Windows ME user, please update your system to Windows 10. Or you can install client-end software of lower version. Please note right now, our DVR is not compatible with Windows VISTA control. ● ActiveX control has been disabled. ● No dx8.1 or higher. Please upgrade display card driver.