[. . . ] Acer LCD Display Quick Start Guide Important Note: This product can only operate with the attached power accessories. [. . . ] The upper edge of the display should be a little higher than your sight. Adjust the front and back angles of the display based on your visual angle so that you can view the display comfortably. Components and Accessories LCD Display D-Sub Signal Cable Quick Start Guide User's Manual (CD-ROM) Power Cable DVI Signal Cable (Optional) Installation Guide Quick Installation Note: Read the [Important] section carefully before starting the installation Complete the following steps for quick installation: (See the figure) Assemble the seat of the display Take out the seat out of the box and place it on a flat table. Take your LCD display out of the carton and assemble the display and seat along the rail. You will hear a click sound when the display and seat are engaged correctly. Connection to PC Make sure that the power supply of your PC is turned off and the power plug is removed. [. . . ] Press this button for the display to optimize the position, phase and clock pulse automatically when OSD is not started. [. . . ]