Panasonic PT-RZ21K Operating Instructions Manual page 102

[LENS THROW RATIO]
Set the throw ratio.
Select the value close to the actual projection distance divided by projected image width here.
[VERTICAL KEYSTONE]
[VERTICAL ARC]
[VERTICAL BALANCE]
[MAINTAIN ASPECT RATIO]
Select [ON] to correct while keeping the aspect ratio.
Setting [CORNER/PINCUSHION]
1) Press as to select [GEOMETRY].
2) Press qw to select [CORNER/PINCUSHION].
3) Press the <ENTER> button.
f The [GEOMETRY:CORNER/PINCUSHION] screen is displayed.
4) Press as to select the item to adjust, and press the <ENTER> button.
f When [LINEARITY] is selected, press qw to select either adjustment method ([AUTO] or [MANUAL]).
Select [AUTO] normally.
For details of operation when [MANUAL] is selected, refer to "Adjusting to desired linearity" (x page 103).
5) Press asqw to adjust.
102 - ENGLISH
Chapter 4 Settings — [POSITION] menu
[CURVED CORRECTION]
[HORIZONTAL KEYSTONE]
[HORIZONTAL ARC]
[HORIZONTAL BALANCE]