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Take 100” image (Immobile desk) for example
1) Distance (W1): 18.2cm / 7.2in.
2) Heights: H1: 124.5cm / 49.0in; H2: 30.8cm / 12.1in; H3: 37.0cm / 14.6in (thus the image
center is at 1.3m / 51.2in high, suitable for audience sitting on a sofa in front); H4:
192.3cm / 75.7in.
3) Area of the desk (L2 x W2):
53.3 x 55cm / 21.0 x 21.7in.
4) Area for the wall (L3 x H4):
221.4 x 192.3 cm / 87.2 x 75.7in.
1) Conversion figures may have been rounded up or down.
2) Leave plenty of space around and under the projector for ventilation, and keep the
vents unblocked in all directions.
3) Position the projector within reach of a grounded electrical outlet or extension cord.
4) The image size increases as the projector gets farther from the wall. Please move the
desk for placing the projector as the distance requires.
5) For H3, a recommended value is provided for a better experience since you would feel
it comfortable watching from the sofa when the image center is at 1.3m / 51.2in high.
You can change it as per actual needs.