ViewSonic IFP32 Series User Manual page 35

Icon
View more applications within the ViewBoard tool bar.
Screen Freeze Spotlight Stopwatch Timer Air Class Hide/Unhide Screen Capture
Screen Freeze
Convert the currently displayed content into a still image; then
you can zoom in, zoom out, go back to full screen, and exit.
Spotlight
More
Highlight the focus content zone. Tap the Setting icon to adjust
the spotlight size and alpha blending effect.
Description
Zoom in Zoom out
35 35
Fullscreen Exit