6
Installing the Device
You are advised to install an HDD before using the device. If you do not install an HDD:
You cannot use the recording function.
When the device starts operating and detects that no HDD is installed, the beeper will go off
and an alarm will be generated. To clear the alarm, on the OSD or NVR Web of the device,
choose
Settings
>
System
>
Exception
and deselect "
Sound Alert
" for "
No HDD
".
1 Installing HDDs
To install HDDs (3.5-inch HDDs only):
1. Use a screwdriver to remove the lid of the device.
2. Use the screwdriver to uninstall the upper-layer disk support from the device.
3. Secure each of HDDs you want to install to the upper-layer disk support with the four
included screws.
Screws
The upper-layer disk support can accommodate four HDDs.
Summary of Contents for NVR2821
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