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Share a screen to the grouped display (one to many casting)
After confirming the above settings, you can share your screen to the main display,
then the grouped client devices will be synced up to your screen.
ViewBoard® Cast Activation
When using a trial version of ViewBoard® Cast software, a window indicating the
number of days left in your trial will be displayed. To continue using the software
after the trial period you must activate the software.
Please contact ViewSonic to purchase a license activation key.