... external changes High quality panel with high brightness, high contrast ratio and broad viewing angleMultiple mounting options including rear-mount ... right) 80°/80°Vertical(up/down) 80°/80°Contrast Ratio(Typ.) 800:01:00Video Input Dual Analog RGB and ... are supplied)OSD ControlButtons : AUTO,+,POWER,-,MENU Function : Brightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function ...