Planar PD8130 Installation And Operation Manual page 53

Table 4-2. Aspect Ratio Settings (continued)
Aspect
Ratio Description
Setting
Letterbox mode scales
(zooms in on) a 4:3
image linearly (by the
same amount on all
Letterbox
sides) to fill a 16:9
display, cropping the
top and bottom of the
image.
4:3 Narrow linearly
scales the source
active image
horizontally, so that a
4:3
4:3 source has the
Narrow
correct aspect ratio
when using an
anamorphic lens.
Planar PD8130/PD8150 Installation/Operation Manual
Aspect
Ratio of
With Standard Lens
Source
(1.78:1 Screen)
Signal
16:9
4:3
16:9
4:3
39
Geometry of Projected Image
With Anamorphic Lens (2.35:1 Screen)
Operation