[. . . ] 2-1 Setup Chapter 3: 3. 1 OSD (On-Screen Display) menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 General Instruction 3. 2 3. 3 3. 4 3. 5 Specifications summary. 3-4 Troubleshooting (FAQ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Place the monitor on a stable surface. Unplug the unit during a lightning storm or if it will not be used for a long period of time. Never push objects or spill liquid of any kind into the slots on the monitor cabinet. To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100-240V AC. If you encounter technical problems with the monitor, contact a qualified service technician or your retailer. iv Care & Cleaning • Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Stubborn stains may be removed with a cloth dampened with mild cleaner. • • Avoid using a cleaner containing alcohol or acetone. Never spray cleaner directly on the screen, as it may drip inside the monitor and cause an electric shock. 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. The following symptoms are normal with the monitor: • • • • 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. NOTE: Tips and additional information to aid in completing a task.  Where to find more information Refer to the following sources for additional information and for product and software updates. 1. The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www. asus. com Your product package may include optional documentation, such as warranty card, that may have been added by your dealer. Optional documentation ASUS websites 2. vi 1. 1 Welcome! Thank you for purchasing the ASUS® MS228H Series LED monitor!The latest widescreen LED monitor from ASUS provides a crisper, broader, and brighter display, plus a host of features that enhance your viewing experience. [. . . ] • Connect the computer with another available monitor to check if the computer is properly working. • Press the A button for 2-4 seconds to automatically adjust the image(For VGA mode only). • Adjust the H-Position or V-Position settings via OSD(For VGA mode only). Power LED is not ON The power LED is blinking and there is no screen image Screen image is too light or dark Screen image is not centered or sized properly Screen image bounces or a wave pattern is • Make sure the signal cable is properly present in the image connected to the monitor and the computer. [. . . ]