Dell UltraScan P780 User Manual page 6

Select To
Change the horizontal centering
Change the vertical centering
Change the horizontal sizing
Change the vertical sizing
Change the degree of zoom
GEOMETRY
Select GEOMETRY from the MENU to adjust the picture's rotation and shape. Use the
buttons to select the function you wish to adjust and the
adjustment.
Select
ROTATION
PINCUSHION
To
Rotate the picture
Expand or contract the picture sides
buttons to make the