Panasonic PT-VZ580 Operating Instructions (Functional Manual) page 28

[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-VZ580D,
±25
PT-VZ580T
PT-VW540D,
±35
PT-VW540T
PT-VX610D,
±35
PT-VX610T
*1 When the [KEYSTONE] is corrected in both [V] and [H], the correction cannot be made if the total correction angle exceeds 55°.
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.
28 - ENGLISH
Chapter 2 Getting Started - Setting up
Projection distance
Arc radius
Projection distance
Arc radius
[KEYSTONE] and [CURVED CORRECTION]
*1
Horizontal Vertical Horizontal
keystone keystone
correction correction correction
angle β (°) angle α (°)
±30 ±20
±35 ±20
±35 ±20
[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 (°)
±15 1.4
±15 1.4
±15 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
2.9 0.7
1.6
1.6
1.6