USER MANUAL
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8. Q: Can I clear some records on HDD of WIRELESS NVR?
A: In consideration of the file security, you may not clear part of records. If you want to remove all the
records, you can format HDD.
9. Q: Why can’t I log in WIRELESS NVR client?
A: Please check if the network connection settings are correct and RJ-45 port is with good contact.
And check if your account and password are correctly input.
10. Q: Why can’t I find any records during playback?
A: Please check if the data line connection for HDD is OK and system time is properly adjusted.
Try a few times and restart. If it still doesn’t work, check if the HDD is broken.
11. Q: Why can’t NVR control the PTZ?
A: Please check:
a) The front PTZ failed.
b) The setting, connection, and installation of the PTZ decoder are incorrect.
c) The settings of NVR PTZ is incorrect.
d) The PTZ decoder protocol does not match the NVR protocol.
e) The PTZ decoder address does not match the NVR address.
f) If multiple decoders are connected, 120
ω
resistance should be added at the far end of the AB
line of the PTZ decoder to achieve reflection suppression and impedance matching. Otherwise, the
PTZ control will be unstable.
12. Q: Why doesn’t dynamic detection work?
A: Please check if the motion detection time and motion detection regional setting are correct and
if the sensitivity is set too low.
13. Q: Why doesn’t alarm work?
A: Please check if the alarm setting, alarm connection and alarm input signals are correct.
14. Q: Why does buzzer keep alarming?
A: Please check the alarm setting, check if motion detection function is enabled and object motion
is detected all the time, and check whether the I/O alarm is set as Always Off. Besides, refer to
corresponding HDD alarm setting.
15. Q: Why can’t I stop recording by pressing “STOP” button or click “Stop Recording” in context menu?
A: Pressing “Stop” or “Stop Recording” can only stop manual record. If you want to stop Scheduled
recording in certain time quantum, please change the setting to No Record. To stop Startup
recording, please change record mode to scheduled recording or manual recording. Then you may
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