Runco Vx 22i Projector User Manual

Runco VX-22i Installation/Operation Manual 17 
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Vertical and Horizontal 
Position 
Proper placement of the projector relative to the screen will yield a rectangular, 
perfectly-centered image that completely fills the screen.
Ideally, the projector should be positioned perpendicular to the screen and in such a way 
that the lens center and screen center are aligned with each other, as shown in 
Figure 3-2.
Figure 3-2. Projector Placement
Vertical and Horizontal 
Lens Shift
If it is not...

18 Runco VX-22i Installation/Operation Manual
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Figure 3-4. Horizontal Lens Shift (EXAMPLE ONLY)
0%Screen Center
100% Width Lens Shift
(1.0 x W)
50% Width Lens Shift 
(0.5 x W)
Screen Width (W)
Note: This is a general example of lens shift. Lenses vary in their shift capabilities. No particular 
lens or projector is used in this example. 

Runco VX-22i Installation/Operation Manual 19 
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Table 3-4 lists the lens shift limits for each available VX-22i lens, as percentages and 
absolute measurements with a 100 x 56 inch (1.78:1) screen.  
Folded OpticsIn rear screen applications where space behind the projector is limited, a mirror may be 
used to fold the optical path, as shown in 
Figure 3-5. The position of the projector and 
mirror must be accurately set. If you are considering this type of installation, contact your 
dealer...

20 Runco VX-22i Installation/Operation Manual
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Other ConsiderationsOther considerations and tips that can help improve your installation:
 Keep the ambient temperature constant and below 35°C (95°F). Keep the projector 
away from heating and/or air conditioning vents. Changes in temperature may cause 
drifts in the projector circuitry, which may affect performance.
 Keep the projector away from devices that radiate electromagnetic energy such as 
motors and transformers. Common sources of...

Runco VX-22i Installation/Operation Manual 21 
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3. Remove the Lens Cavity Front Cover.   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4. Remove the Rear Lens Cap.  
 
 
 
 
 
 
 
 
 
 
 
5. Hold the lens assembly with the motor 
facing the upper-right corner of the 
Lens Cavity. Carefully insert the back 
of the lens assembly into the hole in the 
lens flange. 
 
 
DO NOT PUSH THE LENS ASSEMBLY 
ALL THE WAY IN. Only push the lens 
assembly in far enough so that the front 
of the lens motor is clearly...

22 Runco VX-22i Installation/Operation Manual
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7. Lock the lens in place by turning the 
Lens Locking Nut (to the left of the lens) 
180 degrees counter-clockwise. (Use a 
6.0mm hex wrench.) 
 
 
 
 
 
8. Replace the Lens Cavity Front Cover.
9. Reattach the Projector Front Jewelry by sliding the top down onto the two retaining 
dowels. Tighten the Phillips screw at the top of the projector to secure it. 
10. Remove the Front Lens Cap. 
3.5 
Installing the Optional 
CineWide Lens Mount
If you...

Runco VX-22i Installation/Operation Manual 23 
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Installing the AutoScope 
Lens Motor 
(VX-22i/CineWide with 
AutoScope)
Figure 3-6 shows the VX-22i/CineWide with AutoScope motor assembly.
Figure 3-6. VX-22i/CineWide with AutoScope Motor Assembly - Exploded View
Remove Projector Front Feet: Place 
the projector upside down on a blanket or 
other soft surface. Loosen and remove the 
two front feet on the projector.
 
 
 
 
 
 
 
 
 
 
 
 
3
4 Screw, Phillips
Pan-Head,
M6-1.0 x 12mm (12x)
1...

24 Runco VX-22i Installation/Operation Manual
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Install Ceiling Mount Adapters/Projector Stands: For ceiling installations, the 
adapters bring the attachment points for the projector mounting rails (included with the 
projector ceiling mount kit) from the bottom of the projector up and around the AutoScope 
lens motor housing. For floor installations (where the projector is upright), the adapters 
allow the projector to lie flat on the mounting surface.
Using six (6) each of the supplied, M6...

Runco VX-22i Installation/Operation Manual 25 
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Install Lens Motor: Position the AutoScope Lens Motor (item #1) as shown in Figure 
3-8. Line up the mounting holes on the lens motor housing with those on the underside of 
the projector. Secure the motor to the projector with the six remaining M6 x 12mm 
Pan-Head Phillips screws (item
 #2). 
Figure 3-8. AutoScope Lens Motor Installation
After you have installed the AutoScope lens motor, proceed with Mounting the VX-22i 
(page 27).  

26 Runco VX-22i Installation/Operation Manual
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Installing the Fixed 
CineWide Base Plate 
(VX-22i/CineWide)
To install the fixed CineWide base plate on a VX-22i/CineWide:
1. Place the projector upside down on a blanket or other soft surface. 
2. Line up the mounting holes on the lens mount base plate with those on the bottom of 
the projector, directly below the primary lens (see 
Figure 3-9). 
3. Secure the base plate to the projector with the screws provided for this purpose. 
Figure 3-9....