15"LCD 4/8-channel H.264 DVR COMBO
53
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 when select “LAN” in “network environment” option in login interface;
for 4-channel DVR, in addition to select “LAN” in “network environment”
option in login interface, please select “ordinary” in “details” option under
recording mode.