Runco QUANTUM COLOR Q-750I - Manual (Page 63)

Operation
Q-750i Series Installation/Operation Manual 47
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Table 4-2. Aspect Ratio Settings
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)
16:9
16:9 linearly scales the
source active image
horizontally and vertically
to fill a 16:9 screen.
16:9
4:3
Letterbox
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
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.
16:9
4:3