Runco LS-HB operation manual 2. Aspect Ratio Settings continued, Operation

Operation

Table 4-2. Aspect Ratio Settings (continued)

Aspect		Aspect		Geometry of Projected Image
		Ratio of
Ratio	Description		With Standard Lens
		Source			With Anamorphic Lens (2.35:1 Screen)
Setting
		Signal	(1.78:1 Screen)

16:9

Letterbox mode scales (zooms in on) a 4:3 image linearly (by the

Letterbox same amount on all sides) to fill a 16:9 display, cropping the top and bottom of the image.

4:3

16:9

	4:3 Narrow linearly scales
	the source active image
4:3	horizontally, so that a 4:3
Narrow	source has the correct
	aspect ratio when using
	an anamorphic lens.

4:3

50 Runco LS-HB Installation/Operation Manual