ViewSonic VA1948a-LED LCD Display User Manual, introduces the features and characteristics of the product, including EMC information, safety instructions, RoHS compliance statement, copyright statement, product registration, packaging contents, precautions, quick installation, wall mounting, using LCD display, display mode settings, menu and power lock settings, screen image adjustment, main menu controls, technical specifications, troubleshooting, customer support, cleaning LCD display, limited warranty and so on.