User Manual8OSD menuOSD menu can sleep timer, auto sleep, language, H-position, V-position, duration, transparencyand reset defaults. Press ◄► button to adjust, press ▲▼button to move, press menu buttonto exit.Geometry menuGeometry menu can set H-position, V-position, clock, phase and auto adjust. Press ◄► buttonto adjust, press ▲▼button to move, press menu button to exit.Channel selection“Source” menu can select channel, the options include VGA, HDMI and so on. Press ▲▼ button to select,press menu button to affirm.