Eizo FlexScan T550 User Manual download pdf (Page 16)

3 TROUBLESHOOTING

Problems

8)Moiré patterns are

distracting.

9) The image is flickering.

Points to check with possible solutions

The monitor may be located close to a device that is

generating a magnetic field. Such devices include

speakers (other than the EIZO optional i·Sound

speaker), electric motors, high-voltage cables, and other

monitors. It may be solved by switching off or moving

the interfering device, or by relocating the monitor.

If the volume level of the EIZO optional i·Sound

speaker is too high, it may, in some cases, cause a slight

vibration. To eliminate, turn down the volume of the

speaker.

Reduce the moiré using the ScreenManager’s “Moiré”

adjustment menu following the procedure below.

1) Set the desktop to an every-other-dot pattern so that

moiré will be visible.

2) Go to the ScreenManager’s “Moiré” menu and adjust

so that moiré becomes almost unnoticeable. See page 11.

3) Change to a different desktop background to reduce

moiré even further.

Change the horizontal and vertical dimensions of the

desplay area.

Change the selected desktop or wallpaper pattern to any

solid color pattern. For detailed information on how to

change these patterns, refer to the documentation for

the PC and operating system.

Flicker will occur with interlaced scanning, or

non-interlaced scanning with a low refresh rate. All

EIZO monitors are capable of reproducing high refresh

rates for non-interlaced scanning. If a problem occurs

when using a non-interlaced signal, try adjusting the

graphics board to increase the refresh rate (if possible).

Refer to the graphics board manual for information.

• An unstable signal from the graphics board may be the cause of the above problem when

using the monitor with a high resolution or in a high refresh mode. (The video signal from

the graphics board might be made irregular due to the use of a high speed dot clock.)

Change the resolution or the refresh rate to another setting.

Flicker

The term “flicker” refers to noticeable shimmering that occurs when the image on the

screen is redrawn (“refreshed”) too slowly. A refresh rate of 80 Hz means the image is

redrawn 80 times per second. Most people will notice flicker at image refresh rates as high

as 60 or 70 Hz, whereas refresh rates of 72 Hz or above usually is not noticeable. Flicker

is known to be the cause of visual fatigue.

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Eizo FlexScan T550 User Manual Page 16

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