Move the mouse over tabs and buttons for descriptions; those commencing with 'GOTO' can be clicked to simulate the touch panel action.
To show a laptop (VGA) as the presentation, connect the VGA and 3.5mm audio cable to the laptop and touch the Guest (HDMI) button.
the laptop audio is turned up and not muted if there is an audio
component of the presentation and adjust the laptop volume by touching
the Up and Down buttons.