4/8-channel H.264 DVR User Manual
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5.
How long can a 4-channel or 8-channel DVR record if 1000G harddisk is used?
A: Please refer to Appendix 2 “harddisk space calculation”.
6.
DVR’s remote controller can not work, but the monitor screen is right and the panel
buttons can be used properly?
A: If the controller is pointing to the IR signal on equipment front panel, but the
operation is still invalid, please check the batteries in remote controller, if above
problems are excluded, please check the health of the remote controller.
7.
The “manual recording” and “stop recording” in front panel and shortcut menu can
not work?
A: This function can only work when the mainframe is not under recording status,
only timing recording is started and it can work in the non-selected period.
8.
Is playback available while recording? Is multi-channel playback available?
A: Yes, this system can support playback while recording. 4-channel DVR can
support 4 channels playback at the same time, 8-channel DVR can only support
single channel playback.
9.
The records in DVR harddisk can be removed or not?
A: For safety of the document, you can not delete partial records. If it is necessary,
you can format the harddisk.
10. E-mail alerting is not functioning?
A: Please follow the instruction strictly, check whether there is any letter error or
unnecessary space, and please check your mail server’s functionality if SSL
ordinary shutdown.
11. Can not find any information record when playback?
A: please check the harddisk data cable connection, and whether system time is
adjusted illegally. Try it several times, and test whether the harddisk is damaged if
above still appears.
12. DVR can not control the PTZ after setup?
A: Please test for the following reasons:
1
Front PTZ failure
2
PTZ decoder setting, connection and installation is incorrect
3
PTZ incorrect setup in the DVR
4
PTZ protocol decoder and DVR does not match each other
5
PTZ decoder and DVR address does not match each other
6
When multiple decoders are connected, 120 ohm resistance is needed
on the most remote end of PTZ decoder AB line, to eliminate reflex and
impedance matching, or PTZ control will not be stable.
13. Motion detection does not work?
A: Check the motion detection time and motion detection zone and make sure that
they are right setup, and check the sensitivity setting.
14. Alarm does not work?
A: Check the correctness of alarm setting and alarm connection, and make sure
that alarm signal input is correct.
15. DVR can only realize non-real-time access to LAN?
A: When access to LAN, for 8-channel DVR, it can show real-time screen only
