Panasonic PT-VMZ50 Operating Instructions Manual page 34

[SCREEN ADJUSTMENT] projection range
[V] (viewed from the side)
Screen
Vertical arc correction (viewed from the side)
Screen
Arc center
Screen
Only [KEYSTONE] used
Vertical
Model No.
keystone
correction
angle α (°)
PT-VMZ50
±25
PT-VMZ40
PT-VMW50 ±35
Note
f When [SCREEN ADJUSTMENT] is used, the focus may not be able to match the whole screen as correction increases.
f The curved screen should be in the shape of a circular arc part of a perfect circle.
34 - ENGLISH
Chapter 2 Getting Started - Setting up
Projection distance
Arc radius
Projection distance
Arc radius
[KEYSTONE] and [CURVED CORRECTION]
Horizontal Vertical Horizontal
keystone keystone
correction correction correction
angle β (°) angle α (°)
±35 ±25
±35 ±35
[H] (viewed from above)
Screen
Horizontal arc correction (viewed from above)
Screen
Arc center
Screen
used together
keystone
Min. value of Min. value of
R2/L2
angle β (°)
±35 1.4
±35 1.4
Projection distance
Arc radius
Projection distance
Arc radius
Only [CURVED
CORRECTION] used
Min. value of Min. value of
R3/L3 R2/L2 R3/L3
2.9 0.7
2.9 0.7
1.6
1.6