8/8/2023 0 Comments Macintosh 12 rgb displayRemove the monitor from the building and recheck it in another location.However, keep in mind that if you then move the monitor you may need to readjust the centering controls.īefore adjusting a monitor with a distorted raster, try the following: Note: If the monitor has shifted up/down or right/left only, go ahead and adjust it using the centering controls. Warning: Module swapping cannot fix a monitor with environmental distortion problems, and adjusting a monitor with such problems alters the factory settings. These objects cause dynamic raster distortion, that is, movement or jitter of the image. Fluorescent lights, other monitors, or electronic appliances such as coffee makers and copy machines.Earth magnetism usually distorts only the edges of the screen. Metal objects affect the earth’s magnetic field. Proximity to metal objects, such as metal desks, file cabinets, and bookshelves.The following environmental conditions might distort the raster of a Portrait Display: I/O Ports: Three Apple Desktop Bus (ADB) connectors.Right side: brightness and contrast controls. User controls: Rear panel: power switch.Power supply: Voltage: 90–270 VAC, self-configuring.Connection: 13w3 connector (instead of Apple’s standard DB-15 video connector). ![]() Input signal: Video: analog RS-343 standard.Bit depth: Supports up to 8-bit grayscale.Resolution: Fixed resolution of 640 x 870 pixels.Released in conjunction with the Macintosh IIcx, the Apple Macintosh Portrait Display features a grayscale “portrait orientation” 15.0-inch (14.2-inch viewable area, 640×870 resulution) Shadow Mask CRT. 4 History of Apple: From Apple II to Apple Cinema Dispay. ![]()
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