Canon WUX7000Z User Manual page 75

Installation Procedure
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.
Projector
Press twice.
2
Press the pointer buttons to adjust the focus at image edges.
Remote control
Press the [ ] / [ ] / [ ] / [ ] buttons to adjust peripheral focus.
focus] is set to [Off].
Projector
75
When [Marginal focus]
is set to [On].
When [Marginal