Screen, ContinuedKeystoningKeystoning appears when the projector lens is not perpendicular to the screenor deck. The distorted image appears as a wedge shape. To correct thekeystone effect, tilt the screen toward the projector on the end displaying thesmallest part of the wedge.Figure 5-12 shows the keystone effect.Figure 5-12. —The keystone effect.5-28
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