Panasonic TC 15LV1 manual For your reference Letterbox, Pan and Scan

How images appear on your TV (aspect ratios of the screen)

The Images on the TV screen depend on the type of software and the TV set.

					Type of TV set (ASPECT mode)
	Type of software
		4:3		16:9 (“FULL” mode)		16:9 (“ZOOM” mode)	16:9 (“AUTO” mode)
Wide-screen			Right and left edges	Full screen		Top and bottom	Full screen
(pan and scan			are cut off.			edges are cut off.
format)

Software (4:3)	Full screen	Screen horizontally	Top and bottom	Full screen
		enlarged	edges are cut off.	(with black bands at
				right and left)

Software	Letterbox	Screen horizontally	Full screen	Screen in which the
(4:3, Letterbox)	(with black bands at	enlarged (with black		picture at the far left
	top and bottom)	bands at top and		and far right ends only
		bottom)		is extended horizontally
				(with black bands at
				top and bottom)

•The images which appear on the TV screen, and what each screen mode is called, depend on the manufacturer of the TV set and type of TV set. Consult the instruction manual provided with your TV set.

For your reference:

•Letterbox

Black bands are inserted at the top and bottom of the screen to fill in the gaps where the size of the picture is smaller than the screen.

•Pan and Scan

Part of the wide-screen picture (either at both sides or one side of the screen) is automatically eliminated so that the picture fills the whole screen.

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