Apple Color 1.5 - Manual (Page 359)

Because the onscreen control works by selecting a portion of the static source image,
the onscreen control rotates in the opposite direction of the effect, but the preview and
broadcast displays show the correct result.
To reposition a shot
µ
Drag anywhere within the red bounding box.
The onscreen control moves to select a different portion of the shot, and the preview
and broadcast displays show the result.
Note: There are no onscreen controls for the Aspect Ratio, Flip, and Flop controls.
359 Chapter 15 The Geometry Room