Before calling your Authorized Product Support, please
5check that the items below are properly connected or set. TROUBLESHOOTING In case of using a
with the specification outlined in Section 6. SPECIFICA- TIONS and Section 7. APPENDIX.
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| LED On | • | Contrast and brightness controls. |
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| LED Off | • | Power switch. |
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| • | AC power cord disconnected. |
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| • | Rear | ||||||||||||||||||
No |
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| LED On | • | Signal cable disconnected. |
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| • | Computer power switch. |
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| • | Computer | ||||||||||||||||||
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| (Amber) | • | Power management function is active. |
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| or move the mouse. | ||||||
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The following message appeared. | • | Signal cable disconnected. |
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| • | Computer power switch. |
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| INPUT CHECK |
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| H | V � |
| • | Power management function is active. |
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| • Press any key on the keyboard | ||||||||||||||||||||
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| COLOR CHECK� |
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| or move the mouse. | |||||||||
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| R | G | B |
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The following message appeared. |
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| • | Input signal frequency range is too high or too low for the |
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| • | Check the specification of | ||||||||||||||
| ATTENTION� |
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| monitor to synchronize with. |
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| graphics adapter. | |||||||||||||||||||
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| SIGNAL FREQUENCY � |
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| IS OUT OF RANGE.� |
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| FH �24.8KHz | FV 43.0Hz� |
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| PLEASE CHANGE � |
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| SIGNAL TIMING. |
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| • | Do |
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| Display is miss- | • | Adjust |
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| ing, center shifts, | • | Monitor may not be able to get |
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| or too small or too |
| signal. In this case, please select other resolution, or other |
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| large of a display |
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| vertical refresh timing. |
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| size |
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| • | Make sure you wait a few seconds after adjusting the size |
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| of the image before changing or disconnecting the signal. |
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| Display is dark or | • | "VIDEO LEVEL" is not at the appropriate position for your |
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| • | Front (OSD) | |||||||||||||||||||||
picture | too bright |
| graphics adapter output.(0.7V or |
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| • | Thin vertical black lines on one or both sides of the |
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| • |
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Abnormal |
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| screen. This minor condition is caused by grille element |
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| overlap which can occur during shipping. |
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| • | Position an open white window over the affected area of |
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| the screen and maximize the brightness and contrast |
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| Black vertical |
| controls. This will cause localized heating of the overlap |
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| which will clear in a few minutes. Be sure to readjust the |
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| lines are visible |
| brightness and contrast controls back to the normal |
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| on the screen. |
| viewing levels after this procedure. |
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| �� |
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ENGLISH
- 15 -