D-Link ShareCenter DNS-320L User Manual page 400

Section 4 - Configuration
3. When the backup is complete, the flashing white LED will become
solid white. To unmount the USB storage device, you can click and
hold the USB button at the front of the DNS-320L for over 5 seconds
or you can go to the USB.devices menu of the System.Management
icon in the Management.Tab of the Web GUI of the device. Click
the blue arrow to reveal the USB.Storage information. Click the
Unmount button to eject the USB.device.
DNS-320L
D-Link ShareCenter™ User Manual
394