Logout /Shutdown/Restart - Dahua NVR21-S2 Series User Manual

When NVR boots up, during the uboot process, NVR automatically detects there is USB device and there
is upgrade file on the USB device or not. If the detection result is OK, NVR automatically begins upgrade.
CAUTION

The USB device shall contain two files: u-boot.bin.img and update.img.

The USB device shall connected to the USB port at the front panel. Otherwise, NVR cannot properly
detect the file or upgrade.

4.11 Logout /Shutdown/Restart

From Mani menu->Operation->Shutdown, you can see an interface shown as in Figure 4-230.

Shutdown: System shuts down and turns off power.

Logout: Log out menu. You need to input password when you login the next time.

Restart: reboot device.
If you shut down the device, there is a process bar for your reference, system waits for 3 seconds and
then shut down (You cannot cancel).
Please note, sometimes you need to input the proper password to shut down the device.
Figure 4-230
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