150
Figure 4-131
Step 2 Version check.
Auto check: Select the Auto check for updates check box and click Save.
Note
System enables this function by default.
Manual check: Click Manual Check.
System starts to search new version and displays the result after the check is completed.
When system displays that it is the latest version, the current version is the latest one and
you do not need to upgrade it.
When system displays the new version information ( including release date and upgrade
notes), new version is available and go to Step 3.
Step 3 Click Upgrade to upgrade the system.
4.10.7.3 Uboot
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
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