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9. Why can't I log in to the device client?
A: Verify that the network connection configuration is correct and the RJ-45 port has good contact. If
the network login password switch is enabled, verify that the user name and password you entered are
correct.
10. Why can't I find any recorded information when playing back videos?
A: Verify that the data cable of the hard disk is connected properly and the system time is not adjusted
without permission. Try for several times. If the problem persists after restarting, verify that the hard disk
is not damaged.
11. Why can't the device control the PTZ?
A: The problem may due to the following causes:
a) The front-end PTZ is faulty.
b) The setting, connection, or installation of the PTZ decoder is incorrect.
c) The PTZ of the device is not configured correctly.
d) The PTZ decoder protocol does not match the device protocol.
e) The PTZ decoder address does not match the device address.
12. Why doesn't dynamic detection work?
A: Verify that the motion detection time and motion detection area settings are correct, and verify that
the sensitivity setting is not too low.
13. Why do the alarms fail?
A: Verify that the alarm setting, alarm connections, and alarm input signals are correct.
14. Why does the buzzer keep ringing?
A: Check the following items: alarm settings, whether the motion detection function is enabled, whether
there are always moving objects detected, and whether the I/O alarm is disabled. Verify that the hard disk
alarm settings are correct.
15. Why is the device still in recording status even when I click the Stop icon or click Stop Recording in
the shortcut menu?
A: If you click the Stop icon or click Stop Recording, only manual recording is stopped. To stop scheduled
recording, you need to change the recording status within a certain period of time to not recording. To
stop power-on recording, you need to change the recording mode to scheduled recording or manual
recording, and then stop recording as described above. Or, you can set the channel status to disabled.
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