Warranty information contained in this User Guide will describe your limited coverage from ViewSonic Corporation, which is also found on our web site at http:// www. viewsonic. com in English, or in specific languages using the Regional selection box in the upper right corner of our website. "Antes de operar su equipo lea cuidadosamente las instrucciones en este manual" Model No. : VS13223 Contents Compliance Information. 1 Important Safety Instructions. 2 Declaration of RoHS Compliance. 3 Copyright Information. 4 Product Registration. 4 Getting Started Package Contents. 5 Precautions. 5 Quick Installation. 6 Wall Mounting (Optional). 7 Using the LCD Display Setting the Timing Mode. 8 OSD and Power Lock Settings. 8 Adjusting the Screen Image. 9 Main Menu Controls...