Runco XtremeProjection X-200i Installation & Operation Manual page 70

Operation
Table 4-1. Aspect Ratio Settings (continued)
Aspect
Ratio Description
Setting
With a 16:9 source
image, Letterbox mode
crops the top and
bottom portion of the
image and vertically
stretches the remaining
portion to fill a 16:9
Letterbox
image area.
It scales (zooms in on) a
4:3 image linearly (by the
same amount on all
sides) to fill a 16:9
display.
A 16:9 image is shrunk
horizontally in the center
and stretched
horizontally in a
NON-linear fashion (more
on the sides).
Virtual-
Wide
A 4:3 image is
horizontally scaled in a
NON-linear fashion (more
on the sides than in the
center) to fit a 16:9
screen.
Aspect
Ratio of
With Standard Lens
Source
(1.78:1 Screen)
Signal
16:9
4:3
16:9
4:3
54
Geometry of Projected Image
With Anamorphic Lens (2.35:1 Screen)
Runco X-200i Series Installation/Operation Manual