The most commonly used document camera is the IPEVO Ziggi- HD Plus USB document camera, though any document camera will work.
If using the ZiggiHD, first install the free IPEVO Presenter software, for Mac or PC, available at http://support.ipevo.com/presenter.
Then, connect the Ziggi- HD Plus's USB cord to your computer.Launch the IPEVO Presenter application.Finally, adjust the document camera to preferred settings, using the buttons along the top of the IPEVO Presenter screen.