Vidikron Projector Vision Model 140 User Manual
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Operation Vision Model 140/150 Owner’s Operating Manual 69 PREL IMINARY Brightness: On your external test pattern source, select a PLUGE pattern. (PLUGE is an acronym for “Picture Line-Up Generation Equipment.”) Figure 4-2 shows a typical PLUGE pattern. Figure 4-2. Typical PLUGE Pattern for Adjusting Brightness PLUGE patterns vary but generally consist of some combination of black, white and gray areas against a black background. The example above includes two vertical bars and four shaded boxes....
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Operation 70 Vision Model 140/150 Owner’s Operating Manual PREL IMINARY Contrast: On your external test pattern source, select a stepped, gray-bar pattern like the one shown in Figure 4-3. Figure 4-3. Typical Gray Bar Pattern for Adjusting Contrast Select Contrast and press ENTER. Adjust the contrast to a point just below which the white rectangle starts to increase in size. Color Saturation: On your external test pattern source, select a color bar pattern like the one shown in Figure 4-4. Figure...
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Operation Vision Model 140/150 Owner’s Operating Manual 71 PREL IMINARY Select Color and press ENTER. While looking at the color bar pattern through a blue filter, adjust the color saturation level until the outermost (gray and blue) color bars appear to be a single shade of blue: Tint: Tint or “hue” is essentially the ratio of red to green in the color portion of the image. When tint is decreased, the image appears redder; when it is increased the image appears greener. To set the tint, select...
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Operation 72 Vision Model 140/150 Owner’s Operating Manual PREL IMINARY Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust sharpness, select Sharpness from the Picture menu and press ENTER. On your external test pattern source, select a pattern like the one shown in Figure 4-5. Adjust as needed, looking for white edges around the transitions from black to gray and differently-sized lines in the “sweep” patterns at the top and bottom. Lower the sharpness setting to...
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Operation Vision Model 140/150 Owner’s Operating Manual 73 PREL IMINARY Overscan: Image Overscan pushes the outside edge of the active picture area of the video signal out beyond the edge of the display area. Some television programs are produced based on the assumption that older television sets may not display the outer edges of the broadcast picture area. Over scan effectively trims away these inactive, outer edges and enlarges the remaining portion of the image to fill the display area. Select...
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Operation 74 Vision Model 140/150 Owner’s Operating Manual PREL IMINARY CalibrationUse the Calibration menu to perform advanced picture quality adjustments. This menu should be used by ISF-certified technicians only. To recall the ISF Night or ISF Day settings, select “ISF Night” or “ISF Day” from the ISF Presets menu (see above). ISF Night - Display Color: Use the Display Color settings to adjust the projector lamp intensity. These settings are saved independently for each input. •Lamp Power:...
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Operation Vision Model 140/150 Owner’s Operating Manual 75 PREL IMINARY • Noise Filter: To apply noise filtering to the input signal, select Noise Filter from the Input Color menu. The Noise Filter is useful for clearing up noisy images from 480i video sources. Use the left- or right-arrow buttons to select the desired amount of noise reduction, keeping in mind that higher settings (which reduce high frequencies) may also “soften” the image. ISF Day - Display Color: Refer to ISF Night - Display...
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Operation 76 Vision Model 140/150 Owner’s Operating Manual PREL IMINARY ServiceUse the Service menu to access advanced projector configuration settings. This menu should be used by ISF-certified technicians only. Test Video: Select Test Video from the Service Menu to access the internal test patterns on the Vision 140/150. Four patterns are available, consisting of white/gray or colored bars. Press MENU to exit test pattern mode. Input Names: You can give each VHD Controller input a...
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Operation Vision Model 140/150 Owner’s Operating Manual 77 PREL IMINARY When you change a remote code on the VHD Controller, you must re-program your remote control to send that same code. To do this: 1. Using a straightened paper clip or similar object, press and hold the CODE button on the remote control for approximately three seconds, or until the LED on the remote lights solid red. – OR – If your remote control unit does not have a CODE button, press and hold the LIGHT button on the...
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Operation 78 Vision Model 140/150 Owner’s Operating Manual PREL IMINARY HD Format: If the characteristics of the incoming signal on the HD1 or HD2 inputs are known, select HD Format from the Service menu and set them as described below. Doing so can reduce the time it takes the VHD Controller to switch from HD to 480i signals or vice versa. This is generally not necessary unless the VHD Controller – for whatever reason – has difficulty determining the color space (RGB or YUV), bandwidth or...