IBM P275 Manual Do Utilizador

18

* 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.

• 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 (

) function to OK (on) in the SIZE/CENTER menu (page 9).

• Adjust the size or centering (page 9). Note that with some input signals and/or graphics 

boards the periphery of the screen is not fully utilized.

• Adjust the geometry (page 10).

• Adjust the degree of moire cancellation until the moire is minimal (page 11).

xProblems caused by the connected computer or other equipment
• Change your desktop pattern.

• Degauss the monitor* (page 11). 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 11).

• Adjust the color temperature (page 12).

• Adjust the convergence (page 10).

• If the control lock is set to ON, set it to OFF (page 14).

• 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 COLOR 

RETURN (

) function, see page 13.

• 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.

• This is the sound of the auto-degauss cycle. When the power is turned on, the monitor is 

automatically degaussed for a few seconds.

COLOR
RETURN

COLOR

: PRESET

1 6 0 0 x 1 2 0 0   /     8 5 H z

AVA
A F T E R
WARM UP

LABLE

I