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9. Usage Maintenance
1. To shut down NVR, 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 NVR away from heat sources or places.
3. Clean the internal dust regularly. Make sure the good ventilation of NVR so as to ensure the
good heat dissipation.
4. Please do not hot plugging cables at ports, or the ports may 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 NVR from being intervened by other electronic
devices, and prevent the HDD from being damaged by static electricity and induced voltage.
7. If the network cable is frequently plugged, it is suggested to replace connecting line regularly,
or the input signal may be unstable.
8. This is A class product. It may bring wireless interference in life. Under this situation, it need
users to make measurements.
UNIGUARD 4 & 8 HDD Series
199
Chapter
9
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