User manual
VIVOTEK
138 - User's Manual
■ Lock/Unlock: Select the checkbox in front of a desired search result, then click this button. The selected 
items will become Locked, which will not be deleted during cyclic recording. You can click again to 
unlock the selections.
 For example:
■ Remove: Select the desired search results, then click this button to delete the les.
Click to switch 
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