Runco Vx 2cx Projector User Manual

Installation
Runco VX-2cx/VX-2dcx Owner’s Operating Manual 19 
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3.3 
Installation 
Considerations
Proper installation of your projector will ensure the quality of your display. Whether you are 
installing a projector temporarily or permanently, you should take the following into 
account to ensure your projector performs optimally.
Installation TypeChoose the installation type that best suits your needs: front or rear screen, floor mount or 
inverted mount. 
Table 3-2 compares these various...

Installation
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Throw DistanceThrow distance is the distance measured from the front of the projector to the screen. 
This is an important calculation in any projector installation as it determines whether or not 
you have enough room to install your projector with a desired screen size and if your 
image will be the right size for your screen.
You can quickly estimate the throw distance by taking the width of the screen and 
multiplying it by...

Installation
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Throw Distance Ranges - VX-2dcx: Table 3-4 lists the available lens options for the 
VX-2dcx and their associated throw ratios. 
Proteus E2.42 - 3.57232.32342.721.84 - 2.64233.50335.02
Proteus F3.63 - 5.72348.48549.122.75 - 4.26348.98540.59
Table 3-4. VX-2dcx Lens Options and Throw Ratios 
Lens Option
(Note 2)Throw Ratio 
with Primary 
Lens Only
Throw Range in 
inches, with 
96x54-inch (1.78:1) 
ScreenThrow Ratio 
with Primary...

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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...

Installation
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Figure 3-4. Horizontal Lens Shift (Example Only)
Vertical Lens Shift - VX-2cx: The VX-2cx zoom lenses (Proteus B through F) provide up 
to 80% of downward vertical lens shift. For example, with a 96 x 54-inch (16:9) screen, 
you can shift the image up to 43.20 inches (1.10
 meters) below the screen center. 
(Upward vertical lens shift is not possible. Vertical lens shift is not possible in either 
direction with the Proteus A...

Installation
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Vertical and Horizontal Lens Shift - VX-2dcx: Table 3-5 lists the lens shift limits for 
each available VX-2dcx lens, as percentages and absolute measurements with a 100 x 56 
inch (1.78:1) screen. 
 
Table 3-5. VX-2dcx Vertical and Horizontal Lens Shift Limits 
Lens Option
Telesto ATelesto BTelesto CTelesto DTelesto E
Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1 and 2)
Vertical
(Note 2)Up0%25%40%35%18%...

Installation
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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 for assistance.
Figure 3-5. Folded Optics
Other ConsiderationsOther considerations and tips that can help improve your installation:
...

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3.5 
Mounting the VX-2
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...

Installation
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3.6 
Connections to the 
VX-2 and DHD 
Controller 
Proceed as follows to connect the DHD Controller to the VX-2, 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....

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Connecting Source 
Components to 
the DHD 
Controller 
Connect your video sources to the DHD Controller as shown and described in the 
sections that follow. 
DVI Connections: See Figure 3-7. 
Figure 3-7. DVI Source Connections
➤
Use the DVI inputs whenever possible. This ensures the highest 
video quality because the signal is carried in the digital domain 
throughout the entire signal path, from source component output 
into the...