Vidikron Projector Vision Model 50 User Manual
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21Vidikron Vision Model 50 Owner’s Operating Manual Installation Rear screen installations There are two basic types of rear screens: diffused and optical. A diffusion screen has a sur face that spreads the light striking it. Purely diffused screens have a gain of less than 1. The main advantage of the diffused screen is its wide viewing angle, similar to that of a flat screen for front screen projection. This type of screen is suitable when a wide viewing angle is required but there is low ambient room lighting. Optical screens take light from the projector and redirect it to increase the light intensity at the front of the screen. This reduces it in other areas. A viewing cone similar to that of a curved, front-screen installation is created. This type of screen is better suited for brightly lit rooms where the audience is situated within the viewing cone. 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 or 1.33:1 aspect ratio. For example, to display a VCR output with a 4:3 aspect ratio onto a 10-foot (3.05-meter) high screen, the width of the screen must be at least 13.3 feet (4 meters).
22Vidikron Vision Model 50 Owner’s Operating Manual Installation Ambient Light In general, minimize or eliminate light sources directed at the screen. Contrast ratio in your images will be noticeably reduced if light directly strikes the screen, such as when a shaft of light from a window or floodlight falls on the image. Images may then appear washed out and less vibrant. Other 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 per formance. • 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. Throw distance is the distance measured from your projector ’s lens 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 of the right size for your screen. You can quickly estimate the throw distance by taking the width of the screen and multiplying it by the lens throw ratio. ( The Model 50 has a lens throw ratio of between 1.82 and 2.42.) Other Considerations ������������������������� ������������������������������������������������������������ ���������������� �� Throw Distance The result of this calculation tells you roughly how far back the projector should be positioned from the screen in order to project a focused image large enough to fill the screen. For example, with an 8-foot (96-inch) wide screen (the maximum recommended screen width for this projector), the Model 50 has a throw distance range of between 174.72 inches (4.44 meters) and 232.32 inches (5.90 meters).
23Vidikron Vision Model 50 Owner’s Operating Manual Installation Vertical and Horizontal PositionProper 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 is aligned with either the top or bottom edge of the screen area, and centered horizontally. The top of the projected image is even with the lens center when the projector is inverted (ceiling-mounted). Likewise, the bottom of the projected image is aligned with the lens center when the projector is upright (as in a floor installation). Screen Heig ht Projection Distance Ce ilin g x Lens Center Lens Center Ceiling In stal lation Screen Heig ht Floo r Lens Center Pr ojection Distance Floor Installation Lens Center x If it is not possible to align the projector and screen as shown above, you can tilt the projector at a slight angle. In a ceiling installation, you do this by adjusting the ceiling mount. For a floor installation, turn the four adjustable feet on the bottom of the projector to adjust the projector height and/or projection angle. If you do this, you may need to make keystone adjustments or vertically shift the image using the on-screen display (OSD) controls, to compensate. For detailed instructions, refer to On-Screen Display Menus , later in this manual. Adjusting the Projection Angle
24Vidikron Vision Model 50 Owner’s Operating Manual Installation MountingThere are several methods for mounting the projector. Depending on your chosen installation, one method may be more suitable than another. In typical front and rear screen installations the projector can be mounted to a secure and level sur face, 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 prevent it from being moved during a presentation. CEILING MOUNT—The projector can also be inverted and suspended from the ceiling using a specially designed ceiling mount fixture. This type of mounting is recommended for fixed installations and for those that want the projector out of sight or have a limited space for projector and audience. Use only the Vidikron-approved ceiling mount kit designed for your projector. In rear screen applications where space behind the projector is limited, a mirror may be used to fold the optical path, as shown below. The position of the projector and mirror must be accurately set. If you are considering this type of installation, contact your dealer for assistance. Folded Optics
25Vidikron Vision Model 50 Owner’s Operating Manual Connecting Video InputsWhen connecting your equipment, make sure to: 1. Turn off all equipment before making any connections. 2. Use the correct signal cables for each source. 3. Ensure the cables are firmly connected. Connections Video / S-Video / Component (Interlaced Video) (G) Y(G) Y(B)PB/CBBPB/CB(R)PR/CR12V OUT12V OUT(R)PR/CRHHVV DVD Player
26Vidikron Vision Model 50 Owner’s Operating Manual Connections Progressive Component (DTV Y/PB/PR) The RGB BNC input (labeled COMP 2 / RGB) supports two kinds of HDTV formats: progressive component (DTV Y/PB/PR) and DTV RGB. The projector automatically detects the resolution. RGBHV (DTV RGB) DTV Source Green Blue Red (G) Y(G) Y(B)PB/CBBPB/CB(R)PR/CR12VOUT12VOUT(R)PR/CRHHVV DTV Source (G) Y(G) Y(B)PB/CBBPB/CB(R)PR/CR12VOUT12VOUT(R)PR/CRHHVV Green Blue RedHorz. Vert.
27Vidikron Vision Model 50 Owner’s Operating Manual Connections Connecting a Computer (GBRHV) Connecting an HDMI™ Device The projector supports the following computer resolutions: 1024x768, 800x600 and 640x480. Use an HDMI (High-Definition Multimedia Inter face) cable to connect the projector to an HDMI device. PC or Notebook (PC, RGB, Analog, HD Component, Progressive DVD) H D M I S o u r c e (DVD player or HD tuner with HDMI or DVI out) Green Blue Red Horiz V ert (G) Y(G) Y(B)PB/CBBPB/CB(R)PR/CR12V OUT12V OUT(R)PR/CRHHVV (G) Y(G) Y(B)PB/CBBPB/CB(R)PR/CR12V OUT12V OUT(R)PR/CRHHVV
28Vidikron Vision Model 50 Owner’s Operating Manual Power switch The Vision Model 50 ships with various types of AC power cords. Choose the one that is appropriate to your locale. Plug the female end of the power cord into the AC receptacle on the rear of the projector (AC 100V ~ 240V ). Then, connect the other end to your AC power source. Connecting to AC Power Connections
29Vidikron Vision Model 50 Owner’s Operating Manual Basic Operation • Press ZOOM and the arrow buttons ( ◄/►) to adjust the projected image size. • Press FOCUS and the arrow buttons ( ◄/►) to focus the image. • Press LENS SHIFT and the arrow buttons (▲/▼) to adjust the lens vertically. Adjusting the Zoom, Focus and Lens Shift Adjusting Projector Height or Projection Angle L-BOX I-WIDECINEMAC-FILL MEM1ISFNTISFDAYDEF ONOFF COMP 1 COMP 2 S-VIDVIDEO RGB HDHDMI ANA4X3 Turning on the Power• Turn on the main power switch on the rear of the projector. The POWER LED will light orange. • Press the ON button on the remote control to turn on the projector. The POWER LED flashes orange during the warm up period, then lights solid green. • “Searching….” appears on the screen before the projector identifies the input signal, and remains there until a valid signal is detected. • If an incompatible input signal exceeds the range of the projector, a “No signal supported” message appears on the screen. This message remains on the screen until you change the input signal. • To adjust the projector height or projection angle, or to compensate for a mounting sur face that isn’t level, turn the four adjustable feet on the bottom of the projector.
30Vidikron Vision Model 50 Owner’s Operating Manual Basic Operation Selecting an Aspect RatioSelect an aspect ratio that suits the format of the video signal. The following aspect ratios are available. • ANA (Anamorphic): A 4:3 image is stretched horizontally to fit a 16:9 screen. This setting is for 16:9 DVDs and HDT V programs. • 4 X 3 (Standard 4:3): The input signal is scaled to fit a 4:3 display mode in the center of the screen. • L-BOX (Letterbox): An image in letterbox format is enlarged to fit a 16:9 full screen display; the upper and lower portions are compressed. • I-WIDE (IntelliWide): This setting transforms a 4x3 image to a 16x9 image. • CINEMA: The image in the Letterbox mode is enlarged to a 16x9 image and the upper and lower portions are compressed. • C-FILL (Cinema Fill): A 2.35 image is stretched ver tically in both directions to fill a 16:9 image. Selecting Video Memory• Press MEM1 to recall custom memor y settings. • Press ISF NT (Night ) to recall ISF Night settings. • Press ISF DAY to recall ISF Day settings. NOTE: ISF settings must be calibrated and stored by a certified ISF calibrator. For more information, please go to www. imagingscience.com. • Press DEF (Default) to restore factor y settings for the current source. An on- screen confirmation message appears. Press DEF again to confirm.