Avision @V2800 - Manual (Page 118)

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Configuration Settings
The Configuration Settings tab allows you to customize some special settings.
Energy Saving Mode—checks the Enable box to enable energy savings. You
can specify a time delay in the Minutes box. Click the Apply button to save
the changes. The default setting is 15 minutes.
Hint Setting—check the Show Hints box if you want to have flags that show
the name of an item appear when you place the mouse cursor on an item in the
dialog box. Click the Apply button to save the changes.