User manual ACER X241

[. . . ] 7 OSD menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 General specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] It may include blemishes of 0. 01% or less (caused by a missing pixel or a pixel that is always lit). When the same image is displayed for hours on end, its afterimage may remain after switching to a new image. When this happens, the screen will recover slowly by changing the image. Turning the LCD monitor off for several hours will also correct this problem. 2 Package contents LCD monitor Power cord Audio cable VGA cable (Optional) DVI cable User's Guide (CD) Quick Start Guide (Optional) Installation instructions Assembling the monitor Put the monitor on flat table or plate. Detaching the monitor Save the original box and packing material in case you have to ship or transport the monitor. Unplug the power cord to make sure the power is off. Important When separating the monitor and base, find a clean, flat surface to place the monitor on and place a clean dry cloth under the monitor to protect it further. After removing the monitor from the base, pull the monitor slightly up and away from the base and place it on the cloth. 3 Adjusting the viewing angle The viewing angle of the monitor ranges from -5 ­ 15°. NOTES · · Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen. Careful attention is required not to catch your fingers or hands when you change the angle. 4 Connecting the devices Caution: Make sure that the computer and the monitor are both disconnected from the power supply. 1 2 3 4 Power cord VGA cable DVI-D cable (Optional) Audio cable (Optional) Attach the monitor to the power cord, and then insert the power cord into a properly grounded electrical socket. Connect the signal cable to the VGA input socket of the monitor, and connect the signal cable to the VGA output socket of the graphics card on the computer. Then tighten the thumbscrews on the connector. Connect the signal cable to the DVI-D input socket of the monitor, and connect the signal cable to the DVI-D output socket of the graphics card on the computer. Then tighten the thumbscrews on the connector. Connect the audio input socket (AUDIO IN) of the LCD monitor and the computer by means of the audio cable. WARNING!Make sure the shape of the plug matches the shape of the socket it is inserted into. Also check that none of the pins are bent or otherwise damaged. VGA DVI-D 5 Adjusting display settings External controls 1 Auto If the OSD is active, press Auto to exit a selection in the OSD. If the OSD is inactive, press Auto and the monitor will automatically optimize the position, focus, and clock of your display. [. . . ] Inspect the monitor's video cable and ensure that none of the pins are bent. Press select/auto key and the monitor will automatically optimize the position of your display. See horizontal and vertical position adjustment (p. [. . . ]