Adjusting vertical and horizontal keystone
Select with the grid buttons of the menu until only the corner nodes are selectable.

Image 13–35 Keystone Select the desired warp area
Depending on the selected area only the points in that area will be adjusted.
- Select as warp mode Keystone.
Click on the node and drag to the desired position
orselect the node and click on the move buttons to move the node horizontal or vertical.
orenter the new position via the pane.

Image 13–36 Keystone adjustment