Sony CPD-G420 Operating Instructions (primary manual) - Page 21
IMAGE RESTORATION function, Set the AUTO
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Symptom Check these items Picture is ghosting • Eliminate the use of video cable extensions and/or video switch boxes. • Check that all plugs are firmly seated in their sockets. Picture is not centered or sized properly • Set the AUTO ( ) function to OK (on) in the SIZE/CENTER menu (page 13). • Adjust the size or centering (page 12). Note that with some input signals and/or graphics boards the periphery of the screen is not fully utilized. Edges of the image are curved • Adjust the geometry (page 13). Wavy or elliptical pattern (moire) is visible • Adjust the degree of moire cancellation until the moire is minimal (page 14). xProblems caused by the connected computer or other equipment • Change your desktop pattern. Color is not uniform • Degauss the monitor* (page 14). If you place equipment that generates a magnetic field, such as a speaker, near the monitor, or if you change the direction the monitor faces, color may lose uniformity. • Adjust the landing (page 14). White does not look white • Adjust the color temperature (page 15). • Check that the 5 BNC connectors are connected in the correct order (page 6). Letters and lines show red or blue • Adjust the convergence (page 14). shadows at the edges Monitor buttons do not operate ( appears on the screen) • If the control lock is set to ON, set it to OFF (page 17). IMAGE RESTORATION function does not operate • Before using this function, the monitor must be in normal operation mode (green power indicator on) for at least 30 minutes. For more information on using the IMAGE COLOR RESTORATION function, see page 17. • Adjust the computer's power saving settings to keep the monitor in normal operation US I MAGE RESTORAT I ON AVA I LABLE AFTER WARM UP mode for more than 30 minutes. • The monitor may gradually lose its ability to perform this function due to the natural aging of the picture tube. EX I T : MENU USB peripherals do not function • Check that the appropriate USB connectors are securely connected (page 8). • Check that the ! (power) switch is in the "on" position. Then reconnect the USB cable to the monitor. A hum is heard right after the power is turned on xProblems caused by the connected computer or other equipment • Check that the power of any self-powered USB compliant peripheral devices is "on." • Install the latest version of the device driver on your computer. Contact your device's manufacturer for information about the appropriate device driver. • If your USB compliant keyboard or mouse does not function, connect them directly to your computer, reboot your computer, and make any necessary adjustments to the USB settings. Then reconnect the keyboard or mouse to the monitor. If you connect a keyboard or mouse to the USB connectors and then boot your computer for the first time, the peripheral devices may not function. • This is the sound of the auto-degauss cycle. When the power is turned on, the monitor is automatically degaussed for a few seconds. * If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a malfunction. 21