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10.2 Usage Maintenance
1. To shut down the NVR, rstly, please shut down the system and then turn o the power. Do not turn o
the power directly or the HDD data will be lost or damaged.
2. Please keep the NVR away from any heat sources or places.
3. Clean the internal dust regularly. Make sure the good ventilation of the NVR so as to ensure the
good head dissipation.
4. Please do not hot plug audio and video cables, or cables connected to ports like RS-232 or RS-485.
Otherwise the ports will be damaged.
5. Please check the HDD cable and data cable regularly to see if they are aging.
6. Please prevent the audio and video signals of NVR from being intervened by other electronic devices,
and prevent the HDD from being damaged by static electricity and induced voltage. If the network
cable
is frequently plugged, it is recommended to replace connecting line regularly, or the input signal may
become unstable.
7. This is a class A product. It may bring wireless interferences. Under this situation, it needs the user
to make measures.
10 Appendix
13. Q: Why doesn’t the alarm work?
A: Please check if the alarm setting, alarm connection, and alarm input signals are correct.
14. Q: Why does the buzzer keep alarming?
A: Please check the alarm settings. check if the motion detection function is enabled, object motion
is detected all time, and if the I/O alarm is set as Always O. Otherwise, refer to the corresponding
HDD alarm setting.
15. Q: Why can’t I stop recording by pressing the “STOP” button or clicking “Stop Recording” in the
context menu?
A: Pressing stop or Stop Recording can only stop manual recording. If you want to stop Scheduled
recording at a certain time frame, please change the setting to No Record. To stop Startup recording,
please change the record mode to scheduled recording or manual recording. Then you may stop
recording by the prescribed methods. Another way of stopping the recording is setting the channel to
the o status in record setting.
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