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All specifications subject to change without notice

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Printed 09.08

Step 1

 Preparation

Reset all Keystones (Keystone = 0), Electrical Zoom settings (Zoom = 100), etc… prior to starting 
adjustments. 

Warm up the projector (30 minutes) in order to reduce image distortion. 

Step 2

 

Horizontal Keystone

Adjust the Pitch (left-right angle) 
and Rotation to eliminate horizontal 
keystone effect. The left-right angle 
affects the top line of the image; 
the rotation affects the bottom line 
of image. Ignore vertical keystone 
during this process.

Step 3

 

Vertical Keystone

Optimize Focus and adjust Tilt Angle 
to eliminate horizontal keystone 
effect. The Focus adjustment will 
change the vertical keystone. 
If you cannot make both vertical 
edges parallel, you may need to go 
back Step2 and re-fine the Rotation.

Step 3

 

Horizontal Position

Adjust horizontal position so it is 
centered on the display area.

 
Step 4

 

Image Size

Adjust throw distance to match the 
length of top image with display area. 
You may see some geometrical 
distortions, so please do not try to fill 
entire area. You may need to do fine-
tuning later (vertical and horizontal 
keystone or image positions). Leave 
a half inch margin.

Step 4

  

Vertical Position

Adjust vertical position so it is 
centered in the display area. 
  

Hitachi CP-A100

 

Wall Mount Installation Guide

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