Canon REALiS WUX450ST Pro AV Manuel

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Select this when you use a screen with an aspect ratio of 16:9. Keystone correction 
cannot be performed in this mode. However, it is possible to move the image up / 
down when projecting level. For details about how to move the image, refer to 

Select this when you use a screen with an aspect ratio of 4:3. Keystone correction 
cannot be performed in this mode. However, it is possible to move the image left / 
right when projecting level. For details about how to move the image, refer to 

Select [Aspect] based on the input signal type, aspect ratio of the screen and 
resolution. For more details about aspect ratios, refer to “Relationship between Aspect 
and Screen Aspect” on 

.

■ Auto

An image is projected at the aspect ratio of the input signal. Select this mode for 
normal image projection.

■ 16:10

The image is projected using an input signal aspect ratio of 16:10. Select this if an 
image of 16:10 aspect ratio cannot be correctly projected in [Auto] mode.

■ 16:9

The image is projected using an input signal aspect ratio of 16:9. Select this if an 
image of 16:9 aspect ratio cannot be correctly projected in [Auto] mode.

■ 4:3

The image is projected using an input signal aspect ratio of 4:3. Select this if an 
image of 4:3 aspect ratio cannot be correctly projected in [Auto] mode.

■ Zoom

This cuts the upper / lower or left / right part of the screen according to the screen 
aspect and zooms in the center of the image. Select this if a letter box is displayed 
(black lines at the top/bottom of the screen) when watching video.

■ True size

The image is projected with the original resolution of the input signal. Screens of 
computers with a lower display resolution than the projector are displayed smaller 
but clearer than in other aspect ratios.

There may be some cases when this cannot be selected, depending on the input signal 
and/or resolution.