Mitsubishi WS - 48313 Owner's Manual page 61

Available On-Screen Format Sizes, continued
Widescreen Picture (16:9 - HD 1080i only) Example: A True HD Broadcast
Standard (Recommended)
Widescreen Picture (480i/480p)
Standard (Recommended)
Zoom (For letterbox 2.35:1 DVDs)
Stretch Plus (not available on WT-42313)
Expand (Recommended for 4:3 images with Black Side Bars)
Expand
Stretch
Narrow (Not Recommended)
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