The Interactive Classroom: When to select a whiteboard, projection screen, or both in one

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The need to clearly present online content in the classroom is driving educators to find practical solutions that cost-effectively handle both new digital and traditional whiteboard implementations.
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HD Progressive 1.3 Gain Screen

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For as long as the HD Progressive screen product line has been on the market Da-Lite has hoped to be able to add a 1.3 gain option to the family. It’s been quietly available with little or no fanfare for a short period of time. There hasn’t been much published about it to describe how and why it belongs to the family. If you already know the HD Progressive product line, this one is similar to the 1.1 screen except its directivity is a bit higher at 1.3 instead of 1.1.
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