Canon PIXMA MG6320 Online Manual page 245

You can adjust the enhancement level using the slider.
OK
Applies the specified enhancement to the selected image.
Cancel
Cancels the last applied enhancement.
Reset Selected Image
Restores the enhanced image to the original unenhanced state.
(2) Preview Operation Buttons
Note
(Detect the Outline and Select the Area) and
Blur Background is selected.
(Detect the Outline and Select the Area)
You can specify the area that will not be blurred. The outline is automatically detected.
(Cancel the Selected Area)
Deletes the selected area.
(Help)
Opens this guide.
(Enlarge)/(Reduce)
Enlarges or reduces the preview with each click.
(Whole Image View)
Fits the preview to the area size.
(Display Comparison Screen)
Displays the Compare Images window in which you can compare the images before and after the
enhancement.
Before
The image before enhancement appears.
After
The image after enhancement appears.
(Cancel the Selected Area) appear only when