Fujitsu Siemens Computers 21P4 Owner's Manual page 16

Colour monitor 21P4
Setting the picture geometry (Geometry)
14 - English
Adjusting proportional picture size (Zoom)
3 4 = Increasing or reducing picture size while retaining the side
ratios
Calling the Geometry setting window
6 5 = Selecting function
Correcting parallelogram and tilt distortion (Parallel/Rotation)
Parallelogram distortion means that the sides of the picture bend to
the left or right. Tilt distortion must be set when the screen display is
not axially symmetrical.
3 4
= Reducing the angle of the left and right sides
6 5
= Rotating the picture in a clockwise or counter-clockwise
direction
Correcting pincushion and trapezoid distortion (Pincushion/Trapezoid)
Trapezoid distortion is when the top or bottom of the screen display
is too wide or too narrow.
3 4
= Bending the right and left side inward or outward
6 5
= Making the bottom edge narrower and the top edge wider
or making the top edge narrower and the bottom edge wider
Correcting unsymmetrical pincushion distortion (Pinbalance)
Unsymmetrical pin balance is when the sides of the screen displays
are bent inward or outward on one side.
3 4
= Setting the sides so that they are symmetrical
A26361-K886-Z100-1-5E19