Changing The Picture Size - Sony WEGA KE-37XS910 Operating Instructions Manual

Changing the
Picture Size
The zoom feature lets you vary the relative size of the left and right pictures.
Press or to activate the picture
that you want to resize.
Press to enlarge the picture.
Press to make the picture
smaller.
When you adjust the picture sizes, the TV memorizes the change. The next
time you use the Twin View function, the memorized sizes appear.