Vidikron Projector Vision Model 120 User Manual
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Installation Vidikron Vision Model 120 Owner’s Operating Manual 19 PREL IMINARY 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 possible to align the projector and screen as shown in Figure 3-2, 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 3-3 and Figure 3-4. Figure 3-3. Vertical Lens Shift (EXAMPLE ONLY) Height Projection DistanceCeiling Ceiling Installation Screen Height Floor Lens Center Projection Distance Floor Installation Lens Center x Lens Center x ScreenLens Center Base plate to lens center = approx. 5-6 (depending on the amount of lens shift) 50% Height Lens Shift (0.5 x H) 100% Height Lens Shift (1.0 x H) Screen Center0% 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 20 Vidikron Vision Model 120 Owner’s Operating Manual PREL IMINARY 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 Vidikron Vision Model 120 Owner’s Operating Manual 21 PREL IMINARY Table 3-4 lists the lens shift limits for each available Vision 120 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 for assistance. Figure 3-5. Folded Optics Table 3-4. Vision 120 Vertical and Horizontal Lens Shift Limits Lens Option A1 A2 B C D E Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1 and 2) Vertical (Note 2)Up10%31%30%32%28%30% Down10%71%61%62%65%63% Horizontal (Note 2)Left5%17%12% Right5%17%12% Lens Shift Limits in Inches, with a 100-by-56 inch (1.78:1) Screen VerticalUp5.6017.3616.8017.9215.6816.80 Down5.6039.7634.1634.7236.4035.28 HorizontalLeft5.0017.0012.00 Right5.0017.0012.00 Notes: 1. With no vertical or horizontal lens shift, the lens center and screen center are aligned with each other. 2. Vertical shift limits are percentages of the screen height. Horizontal shift limits are percentages of the screen width. 3. Vertical lens shift figures apply to ceiling mount configurations. For floor installations (where the projector is upright), reverse the up/down vertical offset percentages. Screen Mirror
Installation 22 Vidikron Vision Model 120 Owner’s Operating Manual PREL IMINARY 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 these include slide projectors, speakers, power amplifiers and elevators. 3.4 Installing the Primary Projection Lens The projection lens is shipped separately from the projector. To install it, proceed as follows: 1. Using a 2.5-mm hex wrench, loosen the two hex screws holding the Projector Front Jewelry in place. 2. Remove the jewelry. ➤
Installation Vidikron Vision Model 120 Owner’s Operating Manual 23 PREL IMINARY 3. Remove the Lens Cavity Front Cover. 4. Remove the Rear Lens Cap. 5. Hold the lens assembly with the motor facing the right side of the Lens Cavity. Carefully insert the back of the lens assembly into the hole in the lens flange. Gently push the lens assembly in until it is seated flush against the flange and the motor connectors have seated. Make sure to route the wire harness in its original position and away from the moving lens stages and Motor Assembly, to prevent unexpected disconnection or lens damage. Caution
Installation 24 Vidikron Vision Model 120 Owner’s Operating Manual PREL IMINARY 6. 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.) 7. Remove the Front Lens Cap. 8.Replace the Lens Cavity Front Cover. 9. Re-install the Projector Front Jewelry. Tighten the hex screws at the top and bottom of the jewelry to secure it. 3.5 Installing the Optional CineWide Lens Mount If you are installing a standard (non-CineWide) Vision 120, skip this step and proceed with Mounting the Vision 120 (page 30). If you are installing a Vision 120/CineWide, proceed with Installing the Fixed CineWide Base Plate (Vision 120/CineWide) (page 29). If you are installing a Vision 120/CineWide with AutoScope, proceed as follows to install the AutoScope lens motor.
Installation Vidikron Vision Model 120 Owner’s Operating Manual 25 PREL IMINARY Installing the AutoScope Lens Motor (Vision 120/CineWide with AutoScope) Figure 3-6 shows the Vision 120/CineWide with AutoScope motor assembly. Figure 3-6. Vision 120/CineWide with AutoScope Motor Assembly - Exploded View 1. Do not install the CineWide lens yet, only the fixed CineWide base plate or AutoScope lens motor. You will install the CineWide lens after you install the projector and adjust the primary lens. 2. Some components shipped with your projector may differ slightly from what is shown in these instructions. Note 3 4 Screw, Phillips Pan-Head, M6-1.0 x 12mm (14x) 1 AutoScope Lens Motor2 CineWide with AutoScope Ceiling Mt. Adapter/ Projector Stand, Right CineWide with AutoScope Ceiling Mt. Adapter/ Projector Stand, Left
Installation 26 Vidikron Vision Model 120 Owner’s Operating Manual PREL IMINARY 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. 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 x 12mm Pan-Head Phillips screws (item #2), attach the AutoScope Ceiling Mount Adapters/Projector Stands (items #3 and #4) to the projector as shown in Figure 3-7. Remove
Installation Vidikron Vision Model 120 Owner’s Operating Manual 27 PREL IMINARY Figure 3-7. Vision 120 with Ceiling Mount Adapters/Projector Stands DO NOT OVER-TIGHTEN THE SCREWS. Caution
Installation 28 Vidikron Vision Model 120 Owner’s Operating Manual PREL IMINARY 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 eight (8) 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 Vision 120 (page 30).