Canon REALiS 4K501ST Pro AV 매뉴얼

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This feature enables focus adjustment around the edges of the screen.
• Use marginal focus adjustment for curved screens, such as domes.
• Use marginal focus adjustment to bring images on flat screens into focus if image 

edges remain warped after you adjust the overall focus.

■ Bringing Image Edges into Focus

To adjust peripheral focus, press the FOCUS button on the remote control or the 
LENS button on the projector.

Pressing the LENS button on the projector repeatedly switches between 
windows for lens-related parameters. 
Press the LENS button twice to display the marginal focus adjustment window.

[Marginal focus] must be set to [On] in advance. (

Remote control

Press twice.

When [Marginal focus] 

is set to [On].

When [Marginal 

focus] is set to [Off].

Projector

Press twice.