Dahua NVR21-S2 SERIES User Manual

Name: Dahua NVR21-S2 SERIES
Brand: Dahua
Rating: 4 (1 reviews)

470 pages

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Otherwise it may result in HDD malfunction.

 Please make sure the device is away from the direct sunlight or other heating sources. Please keep

the sound ventilation.

 Please check and maintain the device regularly.

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