Panasonic ET-D3QW300 Operating Instructions Manual page 7

Projection relationships (continued)
■ Dimensional relationship
For details on the projection distance (L), refer to "Projected image size and Projection
distance" and "Projection distance formulas" in the Appendix.
■ [GEOMETRY] projection range
[VERTICAL KEYSTONE] (viewed from the side)
Screen
Vertical arc correction (viewed from the side)
Screen
Arc center
Screen
Projection distance
Arc radius
Projection distance
Arc radius
[HORIZONTAL KEYSTONE] (viewed from above)
Screen
Horizontal arc correction (viewed from above)
Screen
Arc center
Screen
Projection distance
Arc radius
Projection distance
Arc radius
ENGLISH-7