Runco LS-10I operation manual 2.Aspect Ratio Settings continued, Operation

Models: LS-10I

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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)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Select Cinema to view

 

 

 

 

 

 

 

 

 

2.35 source material in its

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

native aspect ratio.

 

 

 

 

 

 

 

 

 

With a 16:9 screen and a

 

 

 

 

 

 

 

 

 

standard LS-10i (without

 

 

 

 

 

 

 

 

 

an anamorphic lens), the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

upper and lower portions

 

 

 

 

 

 

 

 

 

of the screen are

 

 

 

 

 

 

 

 

 

masked, but the

 

 

 

 

 

 

 

 

 

geometry of the active

 

 

 

 

 

 

 

 

 

image area is

 

 

 

 

 

 

 

 

Cinema

unchanged.

2.35:1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

With a 2.35:1 screen and

 

 

 

 

 

 

 

 

 

an anamorphic lens, the

 

 

 

 

 

 

 

 

 

video processor scales

 

 

 

 

 

 

 

 

 

the 2.35:1 image so that

 

 

 

 

 

 

 

 

 

the active image area fills

 

 

 

 

 

 

 

 

 

the 16:9 chip surface,

 

 

 

 

 

 

 

 

 

eliminating the black

 

 

 

 

 

 

 

 

 

bars. The secondary,

 

 

 

 

 

 

 

 

 

anamorphic lens then

 

 

 

 

 

 

 

 

 

restores the proper

 

 

 

 

 

 

 

 

 

geometry to the 2.35:1

 

 

 

 

 

 

 

 

 

image.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A 16:9 image is scaled

 

 

 

 

 

 

 

 

 

NON-linearly (more on

 

 

 

 

 

 

 

 

 

the sides than in the

 

 

 

 

 

 

 

 

Virtual

center) to fit a 2.35:1

16:9

 

 

 

 

 

 

 

screen.

 

 

 

 

 

 

 

Cinema

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Runco LS-10i Installation/Operation Manual

49

Page 65
Image 65
Runco LS-10I operation manual 2.Aspect Ratio Settings continued, Operation