Dell P2225H User Manual page 70

Vertical Move the joystick to adjust the image up or down (min.
Position 0/max. 100).
NOTE: The function is only available for VGA input.
Sharpness This function can make the image look sharper or softer.
Move the joystick to adjust the sharpness level from '0'
to '100'.
Pixel Clock The Phase and Pixel Clock adjustments allow you to
adjust your monitor to your preference.
Move the joystick to adjust for best image quality.
NOTE: The function is only available for VGA input.
Phase If satisfactory results are not obtained using the Phase
adjustment, use the Pixel Clock (coarse) adjustment
and then use Phase (fine) again.
NOTE: The function is only available for VGA input.
Response Time Allows you to set the response time to Normal or Fast.
Reset Display Resets all display settings to the factory preset values.
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70 Operating the monitor