Lenovo LS2221 Wide 21.5in Flat Panel Monitor - Manual (Page 14)

Selecting a supported display mode
The display mode the monitor uses is controlled by the computer. Therefore, refer to
your computer documentation for details on how to change display modes.
The image size, position and shape might change when the display mode changes.
This is normal and the image can be readjusted using automatic image setup and the
image controls.
Unlike CRT monitors, which require a high refresh rate to minimize flicker, LCD or
Flat Panel technology is inherently flicker-free.
Note: If your system has previously been used with a CRT monitor and is currently
configured to a display mode outside the range of this monitor, you may need to re-
attach the CRT monitor temporarily until you have re-configured the system;
preferably to at 60 Hz, which is the Native Resolution Display mode.
The display modes shown below have been optimized at the factory.
Table 2-3. Factory set display modes
Addressability Refresh rate
1920x1080
640x350 70Hz
640x480 60Hz，72Hz，75Hz
720x400 70Hz
800x600 56Hz，60Hz，72Hz 75Hz
832x624 75Hz
1152x864 75Hz
1024x768 60Hz，70Hz，75Hz
1280x768 60Hz
1280x800 60Hz
1280x1024 60Hz，70Hz，75Hz
1440x900 60Hz，75Hz
1680x1050 60Hz
1680x1050 75Hz（only VGA)
1920x1080 60Hz
1600x900 60Hz，75Hz
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