ASUS ati sw ref User Manual

The user-friendly skin allows you to easily operate the ASUS Digital VCR.
Just like your TVsets and VCRs, you can quickly access to most of the
functions with one single click.

To enable full screen, click the Full Screen button or use the hot key,
CTRL+S. To disable full screen, double-click the display, then click the Full
Screen button.You may also use CTRL+S or ESC to disable full screen
display. The display will then revert to its previous size.

To 

Enable wallpaper display, click the Wallpaper button or use CTRL+W.

To disable desktop wallpaper, double-click anywhere the display and then
click the wallpaper button. You may also use CTRL+W to disable the
desktop wallpaper.

Before using the 

Enable wallpaper display

 option, make sure that the

View as Web Page option of the Active Desktop setting is not selected
(

see 

Start – Settings –Active Desktop – View as Web Page).