BenQ LX890UST Guide De Démarrage Rapide page 7

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BenQ QSG-L890UST.book Page 7 Wednesday, April 18, 2018 8:18 AM
Projection dimensions
Scale value = D
a
D
X
Thickness of the screen
• Installation distance D is measured from the projector rear side to the wall
surface, which is also indicated on the scale of the wall mount.
• Projection distance a is measured from the projector rear side to the projection
surface.
• Vertical offset V is measured from the bottom edge of the wall plate to the top
edge of screen.
Image center
30 mm
Plate height 260 mm
Center
With cover 269 mm
V
Ceiling height (H)
=30mm+ Plate
height +V+h+F
h
M
W
F