Runco Vx 22d Projector User Manual

Installation
Runco VX-22d Owner’s Operating Manual 19 
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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...

Installation
20 Runco VX-22d Owner’s Operating 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. 

Installation
Runco VX-22d Owner’s Operating Manual 21 
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Table 3-4 lists the lens shift limits for each available VX-22d 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...

Installation
22 Runco VX-22d Owner’s Operating 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...

Installation
Runco VX-22d Owner’s Operating Manual 23 
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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...

Installation
24 Runco VX-22d Owner’s Operating 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/AutoScope...

Installation
Runco VX-22d Owner’s Operating Manual 25 
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Install AutoScope Lens 
Motor
Line up the eight mounting holes on the 
lens motor housing with those on the 
bottom of the projector. 
 
 
Secure the motor to the projector with 
the eight screws provided for this 
purpose. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

Installation
26 Runco VX-22d Owner’s Operating Manual
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Install Ceiling Mount 
Extension Brackets 
If you are installing a VX-22d/CineWide with AutoScope, use the supplied hardware to 
attach the ceiling mount extension brackets to the bottom of the projector as shown in 
Figure 3-6. 
For ceiling installations, these brackets bring the mounting points for the projector 
mounting plate (included with the ceiling mount kit) from the bottom of the projector up 
and around the lens motor housing....

Installation
Runco VX-22d Owner’s Operating Manual 27 
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3.6 
Mounting the VX-22d
There are several methods for mounting the projector. Depending on your chosen 
installation, one method may be more suitable than another. 
Floor Mounting (Upright)In typical front and rear screen installations, the projector can be mounted to a secure and 
level surface such as a table or cart. Carts are useful when moving a projector during a 
presentation or from site to site. If possible, lock the wheels...

Installation
28 Runco VX-22d Owner’s Operating Manual
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3.7 
Connections to the 
VX-22d and DHD 
Controller 
Proceed as follows to connect the DHD Controller to the VX-22d, your video sources, 
external controller(s) – if present – and AC power.
When connecting your equipment:
 Turn off all equipment before making any connections.
 Use the correct signal cables for each source.
 Ensure that the cables are securely connected. Tighten the thumbscrews on 
connectors that have them.
Connector...