User`s guide

Using the DVD Control Panel 11
To undo changes to settings on one tab, click the Cancel button on
the tab. Any changes you made on the other tabs are not affected.
To undo changes to settings on all the tabs, click the
Cancel button
at the bottom of the dialog box.
Click the
Video Format tab to change the aspect ratio (width-to-
height ratio). Aspect ratio changes can be made only if that option
is supported by the disc manufacturer.