ViewSonic Pro8300 User Manual page 16

19. ESC
Leave current page or items or to
close OSD.
20. Keystone
Manually correct distorted images
resulting from an angled projection.
21. Swap
Swap input source in PIP or POP
image.
22. Aspect
Select the display aspect ratio.
23. Freeze
Press "Freeze" to pause the screen
image. Press again to cancel the
freeze function.
24. Default
Restore settings to factory default.
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