Apple 20Display manual Make sure that the power cord is plugged in properly

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The monitor’s power indicator light doesn’t come on.

mMake sure that the power cord is plugged in properly.

If the monitor power cord is plugged into a wall outlet, make sure the cord is firmly plugged in. Check to see whether power to the outlet has been interrupted. You can test the outlet by plugging in something that you know works—such as a desk lamp or radio. If the test appliance works, but the monitor doesn’t, contact an Apple-authorized dealer or service provider.

If the monitor power cord is plugged into your computer, make sure your computer is on and the cord is firmly plugged in.

mMake sure the monitor cable is plugged into your computer properly.

If you have a video card installed in your computer, the monitor cable should be plugged into the port for the video card.

If you do not have a video card installed in your computer, the monitor cable should be plugged into the monitor port on the back of your computer.

mMake sure the thumbscrews on the monitor cable are tightened securely into the port connector.

No image appears on the screen and the monitor’s power indicator light is on.

mThe monitor may have gone to sleep. Move the mouse or press a key to wake the monitor. (See “Conserving Energy” in Chapter 3.)

mMake sure the monitor cable is connected properly to the back of the monitor.

mMake sure the monitor cable is connected to the correct port on the back of the computer.

If you have a video card installed in your computer, the monitor cable should be plugged into the port for the video card.

If you do not have a video card installed in your computer, the monitor cable should be plugged into the monitor port on the back of your computer.

mMake sure the thumbscrews on the monitor cable are tightened securely into the port connector.

mMake sure the brightness (¤) and contrast (O) controls are set correctly. See “Adjusting the Brightness of the Picture” and “Adjusting the Contrast of the Picture” in Chapter 3.

Tips and Troubleshooting

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Contents Multiple Scan 20 Display Apple Computer, Inc Contents Using the Display Software Adjusting the PictureTechnical Information Tips and TroubleshootingRadio and television interference FCC statementDOC statement Vcci statementImportant safety instructions Setting UpWhat about electromagnetic emissions? Getting ready to set up Your Apple Multiple Scan 20 Display at a glance Lifting and positioning the monitor Choosing a good location for your monitorShoulders relaxed Do you need a video card? Using more than one monitorConnecting the monitor to your computer Tighten the thumbscrews on the connection Connecting your keyboard to the monitorTo turn on the monitor for the first time Turning the monitor onDisk’s icon appears on the desktop Installing the display softwareRead the Welcome screen and click OK Installer screen appearsClick the Install button About the Control Strip Using the Display SoftwareWorking with the Control Strip Window opens showing all the control panels Changing screen resolutionChoose Control Panels from the Apple K menu Make the following choices in the control panelOther things you can do with the Monitors control panel Close the control panel What happens after you turn on the energy saving featureConserving energy Using Energy Saver with a screen saver Using ColorSyncClick a monitor name to select it ColorSync control panel appearsClick Set Profile Showing and hiding the Control Strip Configuring the Control StripTo show or hide the Control Strip, follow these steps Control Strip control panel appearsPress the keys you want to use, then click OK To change the keyboard command, click Define hot keyBox appears Changing the font in Control Strip menus Reset button Adjusting the PictureAdjusting the brightness of the picture Making adjustments to the pictureAdjusting the contrast of the picture Use this control Follow this stepFollow these steps Adjusting the center of the pictureAdjusting the size of the picture Adjusting the rotation and color uniformity of the picture Adjusting the shape of the picture Adjusting the convergence of the picture Adjust the color temperature of the picture Selecting the color temperatureResetting brightness and contrast Resetting controls to original levelsUse these controls Follow this step Resetting individual picture controlsResetting all picture controls Care and cleaning Tips and TroubleshootingProtecting your monitor from theft TroubleshootingTo clean the screen of the monitor Monitor’s power indicator light doesn’t come on Make sure that the power cord is plugged in properlyScreen flickers Screen is dark or appears dimScreen image is too large or too small No colors appear on the screenScreen image is off center You don’t see the monitor resolution you want You can’t control the sound volume of a CDAfter many hours of use, the screen image appears dim Over time, you experience eyestrainAfter you change the screen resolution, icons move Monitor does not go to sleep You see two resolution options labeled 640x870 75 HzWhen you change resolutions, the monitor goes blank Compatibility Appendix aResolution Vertical refresh rate hertz Connecting the monitor to your IBM PC-compatible computerTighten the thumbscrews on the monitor cable This adapter is shipped with your monitorConnect the PC adapter to the monitor cable Using the monitor Appendix B Technical Information Frequency 47-63 Hz Power Maximum Adjusted at the factory for the following standard modesVoltage Approximately 66 pounds 30 kilogramsOperating 10% to 80% Storage To 90% Shipping To 95% Tilt To + 15˚ Swivel range ± 45˚ minimumPin Output signal Pin miniature D-type connectorMonitor cable specifications Apple Computer, Inc