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D-73d Series Installation/Operation Manual 9
PRE
L
IMINAR
Y
• LENS LOCK
The screw to the right of the lens activates the lens lock, which freezes the zoom and
lens shift settings to keep the projector images aligned over time.
When shipped from Runco, the lenses are unlocked. To lock the lens position, use the
same 5.0-mm Hex wrench (provided) that you use for lens shift adjustments. (Turn
clockwise two or three turns.)
• HORIZONTAL AND VERTICAL LENS SHIFT CONTROLS
To access the lens shift controls, insert the included 5.0-mm Hex wrench into the
opening and turn it as needed to shift the lens in the desired direction (refer to
Adjusting the Focus, Zoom and Position of the Primary Lenses on page 54).
• FOCUS RING
Rotate this to focus the projected image.
• ZOOM TAB
Rotate this to change the projected image size.
Projector Rear PanelFigure 2-3 shows the D-73d rear panel.
Figure 2-3. D-73d Rear Panel
THE LENS SHIFT MECHANISM CAN BE DAMAGED BY
EXCESSIVE FORCE.
• Ensure that the lens lock is released before adjusting horizontal
or vertical lens shift.
• Do not attempt to move the primary lenses beyond their normal
adjustment ranges.
WARNING
PRIMARY
PRIMARY
SECONDARY
SECONDARY
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