Sony KDL-55W900A - Manual (Page 72)

[Zoom]
Displays a 16:9 picture that has been converted into 4:3 letter box
format, in the correct aspect ratio.
[Captions]
Stretches the picture horizontally to fill a 16:9 screen, while fitting
captions in the screen.
If component input (480p) is selected and [Scene Select] is set to
[Game] or [Graphics], the available options change to [Fine-
Normal]/[Fine-Full]/[Portable Game 1]/[Portable Game 2].
[Fine-Normal]
Displays a 4:3 picture in its original size. Side bars are shown to fill the
16:9 screen.
[Fine-Full]
Stretches the 4:3 picture horizontally, to fill the 16:9 screen.
[Portable Game 1]
Stretches a black-framed game picture from PlayStation®Portable.
[Portable Game 2]
Stretches a black-framed picture (e.g. browser) from
PlayStation®Portable.
Available Options (16:9 Original Source)
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