select Reset.
Picture Sizes available by Input Source:
ATV, AV: 16:9, Zoom1, Zoom2, 4:3
Component (480i, 480p): 16:9,
Zoom1, Zoom2, 4:3
DTV (720p): 16:9, Wide Fit, 4:3,
Smart View 2 for LED TV
DTV (1080i, 1080p): 16:9, Wide Fit,
4:3, Screen Fit, Smart View 2 for LED
TV
Component(720p): 16:9, Wide Fit, 4:3