QNAP Security VioStor NVR (Version: 4.1.1) - Manual (Page 90)

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5. Add: To add a setting for auto cruising, select the ‘Preset Name’ from the drop-down
menu and enter the staying time (interval, in seconds). Click ‘Add’.
6. Update: To change a setting on the list, highlight the selection. Select another preset
position from the drop-down menu and/or change the staying time (interval). Click
‘Update’.
7. Delete: To delete a setting, highlight a selection on the list and click ‘Delete’. To delete
more than one setting, press and hold the Ctrl key and select the settings. Then click
‘Delete’.