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.