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English
| Problems | Points to check with possible solutions |
10. | The screen is too bright or too dark. | ! Adjust the <Brightness> (The backlight of the LCD |
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| monitor has a fixed life span. When the screen |
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| becomes dark or begins to flicker, please contact |
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| your dealer.) |
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| ! Confirm the followings if the screen is too dark. |
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| • In the case of connecting to the analog graphics |
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| board, choose color by the signal select button |
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| on the front panel. |
11. | Afterimages appear. | ! When the screen image is changed after displaying |
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| the same image for a long period, an afterimage |
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| may appear. The “Afterimage” can be removed |
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| gradually by changing the displayed image. Use the |
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| “Off Timer” function and avoid keeping the screen |
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| on all the time. (p.18) |
12. | The screen has defective pixels (e.g. | ! This is due to the characteristics of the panel itself, |
| slightly light or dark). | and not the LCD product. |
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13. | Fingerprints remain on the screen. | ! Leaving the screen white may solve the problem. |
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14. | <Smoothing> cannot be selected. | ! <Smoothing> is disabled when the screen is |
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| displayed in the 1280 x1024. |
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| ! The image size is doubled both in horizontally and |
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| vertically to (i.e. 1280 x 960 enlarged from 640 x |
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| 480) provide clear focus which does not require |
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| this function. |
15. | “Locked!” message appears and the | ! After the calibration, the functions like brightness |
| adjustment controls are not | are automatically locked. Please refer to page 27 to |
| available when pressing the control | unlock. |
| buttons. |
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16. | The Enter button does not operate. | ! The adjustment lock is probably on. To unlock: |
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| switch the LCD monitor off. Then, while pressing |
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| the Auto adjustment button, switch the power on. |
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| (p.18) |
34 8. TROUBLESHOOTING