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System Overview
8 Q-1500d Series Installation/Operation Manual
PRE
L
IMINAR
Y
2.1
Projector
The standard Q-1500d projector, shown in Figure 2-2, consists of two discrete LED
optical engines stacked one on top of the other. The “primary” optical engine (the one
nearest the glass) receives an HDMI video signal from the Primary DHD Controller. The
“secondary” optical engine (the one nearest the feet) receives an HDMI video signal from
the Secondary DHD Controller. The projector superimposes the output from one engine
onto that from the other engine to produce an extremely bright and focused image.
Figure 2-2. Standard Q-1500d Projector Functional Components
• PROJECTION LENS
Available in three versions:
• Standard throw range (1.94:1 to 2.40:1);
• Short throw range (1.64:1 to 1.86:1); and
• Long throw range (2.52:1 to 4.00:1; Q-1500d Ultra only).
• 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).
Lens
Lock
Focus
Ring
Zoom
T
ab
Zoom
T
ab
Projection
Lens
Projection
Lens
Lens
Lock
Focus
Ring
Horizontal Lens Shift
Control
Horizontal Lens Shift
Control
Exhaust Side
Intake Side
Primary
Optical
Engine
Vertical Lens Shift
Control
Vertical Lens Shift
Control
Secondary
Optical
Engine