User's Manual

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42 G3 Pro User Manual
Select Delete by Time Range. Set the time range and tap Confirm (OK).
9.2 Data Backup
To backup the business data, or configuration data to the U-disk.
Tap Backup Data on the Data Mgt. interface.
1. Select Backup to USB Disk. 2. Tap Backup Content.
3. Select the content to be backed up. 4. Make a backup remark. (This step is optional.)
5. Tap Backup Start, and the backup succeeds.
When you choose to save data in a USB disk, ensure that the USB disk is properly plugged into the device.