Press the "Power" button on the touch panel

Interactive panels will turn on

Select PC/ Notebook / Airplay/ Visualizer/ Microsoft WDA from touch panel

Selected source will display on the interactive panels

Tap either side to launch the sidebar

01: Launch count down timer
02:Launch freeze tool to zoom in or out the current screen
03:Launch more tools ( Including Annotation, Spotlight, Stopwatch, ScreenLock, Crop, Record. )