HP M900 User Manual page 9

Trapezoid control
If the vertical edges of the image do not appear parallel, press
then use and
left edge of the image is vertical. You can then use the Right Trapezoid
control described later to adjust the right edge.
Right Pincushion control
This control only affects the right side of the image. Press
press to make the right side bow outwards, or press
make it bow inwards. For best results, use the Pincushion control to
make the left side of the image straight before using this control to
adjust the right side.
Right Trapezoid control
This control only affects the right side of the image. Press
press to expand the top right side of the image, or press
expand the bottom right side. For best results, use the Trapezoid
control to make the left side of the image vertical before using this
control to adjust the right side.
Reducing Moire
Under certain circumstances, the displayed image may be distorted by
the Moire effect. This usually happens when your display is showing
certain complex patterns, and can often be reduced by adjusting the
brightness and contrast settings of your display, or by adjusting the
vertical or horizontal size.
If this does not work, you can reduce vertical Moire by pressing
and at the same time. Then press
decrease the amount of vertical Moire reduction, or press
off vertical Moire reduction.
To reduce horizontal Moire, press
then adjust in the same way.
to correct. For best results, adjust so that the
and
HP M900 Monitor User's Guide
Using Your Display
. Then
to
. Then
and to increase or
to turn
at the same time, and
English 7
and
to