In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to use a ...
Visible even next to lamps or sunlight. Vivid HDR at night. Up to 150-inch screen. ALR screen enhances picture quality. No overhead mounting necessary. Expensive. Picture quality still not great ...
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