User`s manual

© Copyright Qvis ®. All documentation rights reserved.
24
2.5.2 Backup
Connect an External USB device with the USB port to backup in the “Record Backup”
menu.
【Detect】Identify external USB device and display the device information.
【Backup】Tick the external device and click【Backup】to enter the backup menu .
Select the records’ starting and stopping times and click【Add】to add in the list.
Click【Delete】to clear the file list.
Tick the record you want and click【Start】to backup and display time remaining.
【Delete】delete all data in USB backup device
NOTE: The 【Delete】operation will cause loss of permanent recorded data.