Webster IRP 4500 Installationsanleitung PDF herunterladen (Seite 27)

INSTALLING THE IRP 4500 25

6 Center the image vertically by adjusting the secondary mirror as

follows:

a Locate the vertical centering knob through the leftmost of

the two cut out windows in the sheet metal plate behind the

center panel. The knob label is shown below.

b Adjust the vertical centering knob until the projected image

is balanced, using decal grids as a guide.

c If necessary, adjust the tilt control on the projector to ensure

that the bottom edge of the projected image is level. The

projector tilt adjustment is typically located on a corner of

the projector and is labeled as shown.

Refer to the documentation that came with your projector for

specific instructions on how to find and adjust the projector

tilt control.

7 Repeat steps five and six until both the sides and the bottom of

the image are square and are located within 0.2” (5mm) of the

edges of the IRP screen.

8 If necessary, eliminate vertical keystoning, as follows. If not, go

to step ten.

IRP_Install_1.fm Page 25 Monday, February 3, 2003 4:19 PM

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Webster IRP 4500 Installationsanleitung Seite 27