InFocus IN1026 Advanced 4200-Lumen WXGA 3LCD Projector - Manual (Page 61)

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6-Conner correction (Only for WUXGA series)
Select this function to correct the projected images of six corners distorted.
Press
 button to keystone at six corners of the screen. The six corners are
looped in sequence shown below:
Top
left
Top
right
Top
middle
Bottom
middle
Bottom
left
Bottom
right
Curved correction (Only for WUXGA series)
Select this function to correct the projected images with linearity uneven or vertical
and horizontal bending deformation. Press  button to adjust options.
Item Operation Adjustment
Curved
correction
X/Y gain
Press  Extend left and right vertically.
Press  Sag left and right vertically.
Press  Reach up and down horizontally.
Press  Sag up and down horizontally.
Curved
correction
X offset
Press 
Correct the vertical lines on the left.
Expand the top an and bottom while
maintaining the central area.
Press 
Correct the vertical lines on the right.
Expand the top an and bottom while
maintaining the central area.
Press 
Correct the horizontal line on the left.
Expand the top and bottom while
maintaining the central area.
Press 
Correct the horizontal line on the right.
Expand the top and bottom while
maintaining the central area.