Panasonic TU-PT600E Operating Instructions Manual page 34

Aspect Controls
16:9
16:9 will display the picture at its maximum size but with slight stretching.
Just
Just mode will display a 4:3 picture at maximum size but with aspect correction applied to the centre of the screen
so that elongation is only apparent at the left and right edges of the screen. The size of the picture will depend on
the original signal.
4:3
4:3 will display a 4:3 picture at its standard 4:3 size without any stretching. Gray stripes will be visible down the left
and right sides of the picture.
Zoom1, Zoom2, Zoom3
Zoom mode magnifies the central section of the picture.
Zoom1
34
<< >>
Zoom1
16 : 9
<< >>
16 : 9
JUST
<< >>
Just
4 : 3
<< >>
4 : 3
Zoom2
<< >>
Zoom2
Zoom3
<< >>
Zoom3