AOC 540 user manual Error Message Possible Solution

Page 14

 

Technical Support (FAQ)

LM540

 

 

 

 

Problem

Possible Solution

 

 

 

 

 

 

 

 

Screen image is not

• Adjust the CLOCK1 and FOCUS2 settings or press the AUTO button to

 

centered or sized

automatically re-configure the monitor’s settings.

 

 

properly

 

 

 

 

 

 

Picture has color

• Adjust the settings for Red, Green and/or Blue colors or select a different

 

defects (white does

color temperature: C1 or C2.

 

 

not look white)

 

 

 

 

 

 

Poor brightness or

• The life time of the back-light is limited. After 20,000 hours, the luminance of

 

contrast

the light has been reduced to half of its original value.

 

 

 

Please send the monitor to an authorized service agent for service.

 

 

 

 

 

Horizontal or vertical

• Adjust the CLOCK and FOCUS settings or press the AUTO button to

 

disturbances on the

automatically re-configure the monitor’s settings.

 

 

screen

• Use Win 95/98 shut-down mode.

 

 

 

 

 

 

1CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture’s width is incorrect.

2FOCUS adjusts the phase of the pixel clock signal. With a wrong phase adjustment the picture has horizontal disturbances with very light screen images.

Note: For FOCUS and CLOCK adjustment use “dot-pattern” or Win 95/98 shut-down mode pattern.

Error Message

Possible Solution

 

 

 

 

Cable not connected

• Make sure the video cable is properly connected to the computer.

 

If the connector is loose, tighten the connector's two screws.

 

• Inspect the video cable and make sure that none of the pins are bent.

 

 

LM540

14

17NOV04

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Contents User’s Manual Inch TFT LCD MonitorFor Your Safety FCC StatementPrecautions General Notes Using the Right Power CordSpecial Notes on LCD Monitors Before You Operate the Monitor Installing & Removing the Base General FeaturesPackage Contents Connecting the Wires Using the Power Cord Supplied Adjusting the Viewing Angle Before You Operate the Monitor Nstall An Optional Wall Mounting Arm Not Supplied Operating Instructions Front Panel ButtonsAdjusting the OSD Settings Plug & Play DDC1/2B Feature How to Install INF & ICM FileTechnical Support FAQ Problem Possible SolutionError Message Possible Solution Resolution Chart Resolution Vertical Pixels FrequencySpecifications AppendixLM540Optimal Viewing Mode 1024 x 768 x 60 Hz AppendixFactory Preset Timing Table Standard Resolution Horizontal Vertical Pixels FrequencyConnector Pin Assignment Pin Number Description