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7.2.2 Guide to Software Upgrade Operations
7.2.2.1 System Software Upgrade Method
1. Enter the main interface of downloading for system upgrade, and click .
2. Select the prepared system software upgrade package through browsing. Check that the selected content
(including the upgrade item, check sum, version and note) is correct, and then click OK.
At this time, the Start quick key of the main menu is enabled.
3. Check that the download cable is connected correctly and the monitor is off. Then click the Start quick key of the
upgrade tool to enter the software download interface.
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