For MS80R43NT, MS10R43NT, MS121R43NT, MS150R43NT and MS170R43NTBNC
Changing Input source:Press AUTO once to bring up OSD menu.
Press AUTO again to move up and down.
Press Down button to select input source, such as BNC, PC or HDMI
Adjusting Images:
Press MENU to bring up OSD menu.
Press Up or Down to adjust function.
Press AUTO to bring up that function.
Press AUTO again to move up and down.
Press Down to select.
Press AUTO to move up and down.
Press Down to adjust.
