19
Horizontal and vertical lens shift
Inadditiontousingtheadjustablefeettoadjustprojectionangle,youcanalsousetheLens
Shiftfunctiontoadjusttheprojectedimage.
Moving the lens vertically
Thedistanceofverticallensmovementis+110%,-70%ofhalfthescreenheightinboth
directions.Forinstance,ifyouareusinga80"×50"screen,youwillbeabletomovethe
imageupwardsmorethan27.5''ordownwardsmorethan17.5''.
Range of vertical
lens shift adjustment
lens shift
adjustment
Thisillustrationshowsnormal
verticallensshiftwithoutthe
useofspecialspecication
lensorprojector.
Note:Please make sure the center of lens is retangular to the center of the ccreen.
Moving the lens horizontally
Thedistanceofhorizontallensmovementis30%ofhalfthescreenwidthinbothdirections.
Forinstance,ifyouareusinga80"×50"screen,youwillbeabletomovetheimageleftor
rightbynomorethan12".
horizontal
lens shift
adjustment
Range of
horizontal
lens shift
adjustment
Thisillustrationshowsnormal
horizontallensshiftwithoutthe
useofspecialspecicationlens
orprojector.
Note:whenthelensisinthe
neutralposition(i.e.without
horizontalorverticalshift),
thecenteroftheprojection
shouldbealignedwiththe
centerofthescreen.
Installing the projector
4