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 if 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 stop recording by the prescribed methods. And another way of
stopping recording is to set channel as Off status in record setting.
7.2 Maintenance
1. To shut down DVR, please firstly shut down the system and then turn off the power. Do not
turn off the power directly or HDD data will be lost or damaged.
2. Please keep DVR away from heat sources or places.
3. Clean the internal dust regularly. Make sure the good ventilation of DVR so as to ensure the
good heat dissipation.
4. Please do not hot plugging 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 ageing.
6. Please prevent the audio and video signals of DVR 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 suggested to replace connecting line regularly, or
the input signal may be unstable.
7. This is A class product. it maybe bring wireless interference in life. Under this situation, it need
user to make measures.
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