Apple TV/FM Radio System - Manual (Page 115)

m Other Size opens a dialog box in which you can enter the
size you want.
Width must be in the range 160 to 640 pixels. Height must
be in the range 120 to 480 pixels.
Keep your proportions: The usual video window width-to-
height ratio is about 4 to 3. Setting other proportions
distorts the video image.
Using keyboard shortcuts and the zoom box
There are three keyboard shortcuts for changing the video
window size:
m x-1 sets the smallest size.
m x-2 sets normal size.
m x-3 sets the largest size.
To alternate between the current size and the largest size,
click the zoom box .
108 Chapter 8