Panasonic PT-MZ680

Chapter 2 Getting Started — Setting up
36 - ENGLISH
[SCREEN ADJUSTMENT] projection range
[VERTICAL KEYSTONE] (viewed from the side) [HORIZONTAL KEYSTONE] (viewed from above)
Screen
Screen
Vertical arc correction (viewed from the side) Horizontal arc correction (viewed from above)
Screen
L2: Projection distance
R2: Arc radius
Screen
L2: Projection distance
R2: Arc radius
Screen
L3: Projection distance
R3: Arc radius
Arc center
Screen
L3: Projection distance
R3: Arc radius
Arc center
Projection
lens Model
No.
Only [KEYSTONE] used
*1
[KEYSTONE] and [CURVED CORRECTION] used together
Only [CURVED
CORRECTION] used
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Min. value of
R2/L2
Min. value of
R3/L3
Min. value of
R2/L2
Min. value of
R3/L3
Standard zoom
lens/ET-ELS20
±25 ±30 ±20 ±15 0.9 1.8 0.5 1.0
ET-ELW21 ±22 ±15 ±8 ±8 1.7 4.3 1.0 2.6
ET-ELW22 ±22 ±15 ±8 ±8 1.7 4.3 1.0 2.6
ET-ELW20 ±25 ±30 ±20 ±15 1.2 3.1 0.7 1.8
ET-ELT22 ±25 ±30 ±20 ±15 0.6 1.1 0.3 0.6
ET-ELT23 ±25 ±30 ±20 ±15 0.4 0.7 0.2 0.4
*1 When [VERTICAL KEYSTONE] and [HORIZONTAL KEYSTONE] are used simultaneously, correction cannot be made exceeding total of 55°.
Note
f
When [SCREEN ADJUSTMENT] is used, the focus of the entire screen may be lost as correction increases.
f
Make the curved screen a circular arc shape with one part of a perfect circle removed.