NEC PH1201QL User Manual
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Contents
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page 59Model No. NP-PH1201QLReference GuideSCREEN REQUIREMENTSDiagonal screen sizesScreen sizes are sometimes specified by their diagonal size (D). When dealingwith large screens and projection distances at different aspect ratios, it is moreconvenient to measure screen width (W) and height (H).The example calculations below show how to convert diagonal sizes into width andheight, at various aspect ratios.TRUE 4K (approximately 1.9 : 1)W = D x 0.88 H = D x 0.47UHD (approximately 1.78 : 1)W = D x 0.87 H = D x 0.49NotesD = diagonalW = widthH = height |
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