Vidikron Projector Vision Model 90 User Manual

Vidikron Vision Model 90 Owner’s Operating Manual 3-1 
3.1 
Remote Control
To install batteries in the remote control, press up on the battery cover retainer clip and lift 
off the cover. Install the two AAA batteries with the correct polarity and then replace the 
cover. 
Notes on Batteries Make sure that the battery polarities are correct when installing the batteries.
 Do not mix an old battery with a new one or different types of batteries.
 If you will not use the remote control for a long time,...

Installation
3-2 Vidikron Vision Model 90 Owner’s Operating Manual
3.2 
Quick Setup
Table 3-1 gives a quick overview of the Vision 90 installation process. The sections following 
this one provide detailed instructions. 
Installation should be performed by a qualified custom video installation 
specialist.
Table 3-1. Installation Overview 
StepProcedureFor Details,
Refer to page...
1Choose a location for the projector3-3
2Connect signal sources to the projector3-10
3Connect external controller to RS-232...

Installation
Vidikron Vision Model 90 Owner’s Operating Manual 3-3 
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
3-4 Vidikron Vision Model 90 Owner’s Operating Manual
Screen Type and SizeFront Screen Installations: In front screen installations the projector and audience are 
positioned in front of the screen, which can be flat or curved; see 
Figure 3-1.
Flat screens are recommended with this projector. They offer a gain of about 1 with a viewing 
angle just less than 180°. This type of screen reflects incident light equally in all directions so 
the audience can see the display from various angles....

Installation
Vidikron Vision Model 90 Owner’s Operating Manual 3-5 
Screen Size: Choose a screen size that is appropriate for your lens and application. The size 
of the room and viewing distance are the defining factors; a rule of thumb is that the primary 
viewing distance be 1.5 times the screen width.
To fill a screen with an image, the aspect ratio of the screen should be equal to the aspect 
ratio of the image (expressed as the ratio of its width to its height). Standard video from a 
VCR has a 4:3...

Installation
3-6 Vidikron Vision Model 90 Owner’s Operating Manual
Table 3-3 lists the available lens options for the Vision 90 and their associated throw ratios. 
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...

Installation
Vidikron Vision Model 90 Owner’s Operating Manual 3-7 
Vertical and Horizontal Lens 
Shift
If it is not possible to align the projector and screen as shown in Figure 3-3, you can use the 
lens shift controls to center the image on the screen. Lens shift is generally expressed as a 
percentage of the screen height or width, as shown in 
Figure 3-4 and Figure 3-5. 
Figure 3-4. Vertical Lens Shift
Figure 3-5. Horizontal Lens Shift
These are general examples of lens shift. Lenses vary in their...

Installation
3-8 Vidikron Vision Model 90 Owner’s Operating Manual
Generally, a higher lens throw ratio means greater lens shift capability. Table 3-4 lists the lens 
shift limits for each available Vision 90 lens, as percentages and absolute measurements with 
a 100 x 56 inch (1.78:1) screen. 
Adjusting the Projection 
Angle
If the Vision 90 is ceiling-mounted and the screen is significantly lower than the projector, 
you can also tilt the projector at a slight angle by adjusting the ceiling mount. 
If...

Installation
Vidikron Vision Model 90 Owner’s Operating Manual 3-9 
MountingThere are several methods for mounting the projector. Depending on your chosen 
installation, one method may be more suitable than another. 
Floor Mounting: 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 when it’s in position to...

Installation
3-10 Vidikron Vision Model 90 Owner’s Operating Manual
3.4 
Connections to the Vision 
90
Proceed as follows to connect the Vision 90 to 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 Panel Access To access the...