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Operation
52 Runco LS-HB/LS-HB Ultra Installation/Operation Manual
PRE
L
IMINAR
Y
Letterbox
Letterbox mode scales
(zooms in on) a 4:3
image linearly (by the
same amount on all
sides) to fill a 16:9
display, cropping the top
and bottom of the image.
16:9
4:3
4:3
Narrow
4:3 Narrow linearly scales
the source active image
horizontally, so that a 4:3
source has the correct
aspect ratio when using
an anamorphic lens.
16:9
4:3
Table 4-2. Aspect Ratio Settings (continued)
Aspect
Ratio
Setting
Description
Aspect
Ratio of
Source
Signal
Geometry of Projected Image
With Standard Lens
(1.78:1 Screen)
With Anamorphic Lens (2.35:1 Screen)