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Displaying this monitor’s name, serial number,
and date of manufacture.
While the monitor is receiving a video signal, press and
hold the MENU button for more than 5 seconds.
The monitor’s information box appears. Press the MENU button
again to make the box disappear.
If any problem persists, call your authorized Sony dealer and give
the following information:
•Model name: SDM-S91
• Serial number
• Name and specifications of your computer and graphics board.
Picture is fuzzy • Adjust the brightness and contrast (page 12).
• Adjust the pitch and phase (page 13).
xProblems caused by the connected computer or other equipment
• Set the resolution to SXGA (1280 × 1024) on your computer.
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
• Adjust the pitch and phase (page 13).
• Adjust the picture position (page 13). Note that some video modes do not fill the screen to
the edges.
Picture is too small • Set the zoom setting to FULL2 (page 15).
xProblems caused by the connected computer or other equipment
• Set the computer’s resolution to the screen’s resolution.
The picture is dark • Adjust the brightness (page 12).
• Adjust the backlight (page 16).
• It takes a few minutes for the display to become bright after turning on the monitor.
Wavy or elliptical pattern (moire)
is visible
• Adjust the pitch and phase (page 13).
Color is not uniform • Adjust the pitch and phase (page 13).
White does not look white • Adjust the color temperature (page 14).
Monitor buttons do not operate
( appears on the screen)
• If the menu lock is set to ON, set it to OFF (page 16).
The monitor turns off after a while • Set the power saving function to OFF (page 16).
xProblems caused by the connected computer or other equipment
• Set the computer’s power saving setting to off.
Symptom Check these items
MENU
INFORMATION
MODEL : SDM-S91
SER NO : 1234567
MANUFACTURED : 2002-52
Example
Model name
Serial number
Week and year
of manufacture