Sony CPD-G520 Operating Instructions Manual page 21

Symptom
Picture is ghosting
Picture is not centered or sized
properly
Edges of the image are curved
Wavy or elliptical pattern (moire)
is visible
Color is not uniform
White does not look white
Letters and lines show red or blue
shadows at the edges
Monitor buttons do not operate
( appears on the screen)
IMAGE RESTORATION function
does not operate
COLOR
I MAGE
RESTORAT I ON
AVA I LABLE
AFTER
WARM UP
X I T :
E
USB peripherals do not function
A hum is heard right after the
power is turned on
* 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.
Check these items
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
• Set the AUTO (
• 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.
• Adjust the geometry (page 13).
• 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.
• 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).
• Adjust the color temperature (page 15).
• Check that the 5 BNC connectors are connected in the correct order (page 7).
• Adjust the convergence (page 14).
• If the control lock is set to ON, set it to OFF (page 17).
• 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
RESTORATION function, see page 17.
• Adjust the computer's power saving settings to keep the monitor in normal operation
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.
MENU
• 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.
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.
) function to OK (on) in the SIZE/CENTER menu (page 13).
GB
21