Asus MK221 user manual Care & Cleaning, Following symptoms are normal with the monitor

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Care & Cleaning

Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord.

Cleaning. Turn your monitor off and unplug the power cord. Clean the monitor surface with a lint-free, non-abrasive cloth. Stubborn stains may be removed with a cloth dampened with mild cleaner.

Avoid using a cleaner containing alcohol or acetone. Use a cleaner intended for use with the LCD. Never spray cleaner directly on the screen, as it may drip inside the monitor and cause an electric shock.

The following symptoms are normal with the monitor:

The screen may flicker during the initial use due to the nature of the fluorescent light. Turn off the Power Switch and turn it on again to make sure that the flicker disappears.

You may find slightly uneven brightness on the screen depending on the desktop pattern you use.

When the same image is displayed for hours, an afterimage of the previous screen may remain after switching the image. The screen will recover slowly or you can turn off the Power Switch for hours.

When the screen becomes black or flashes, or cannot work anymore, contact your dealer or service center to fix it. Do not repair the screen by yourself!

Conventions used in this guide

WARNING: Information to prevent injury to yourself when trying to complete a task.

CAUTION: Information to prevent damage to the components when trying to complete a task.

IMPORTANT: Information that you MUST follow to complete a task.

NOTE: Tips and additional information to aid in completing a task.

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Contents MK221 Series LCD Monitor E3647 First Edition February Copyright 2008 ASUSTeK Computer INC. All Rights ReservedContents Federal Communications Commission Statement Canadian Department of Communications StatementSafety information Care & Cleaning Following symptoms are normal with the monitorConventions used in this guide Where to find more information Asus websites Optional documentationViii Package contents WelcomeControl panel Monitor introductionFront view ButtonSide Rear connectorsBack view Status DescriptionAdjusting the monitor Assembling the monitor baseDetaching the arm/base For Vesa wall mount Connecting the cables Turning on the monitorConnect the cables as shown Built-in webcam with Mic Array support Using the deviceWebcam is adjustable upward and downward as shown 30˚-30˚ System requirementsInstallation instructions LifeFrame 2 softwareOSD Function Introduction How to reconfigureOSD On-Screen Display menu Press the Menu button to activate the OSD menuImage ColorInput Select System SetupOSD Setup Select from VGA, DVI, and Hdmi input sources MK221H onlySpecifications summary Viewing angleH/V CR10 Display colors Response timeAccessories Regulation approvals Troubleshooting FAQ ProblemPossible Solution Vertical Frequency Supported operating modesStandard PixelAsus MK221 Series LCD Monitor