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Installation
3.7
System
Interconnections
Connecting the Primary
and Secondary DHD
Controllers to the D-73d
Projector
Proceed as follows to connect the D-73d system components to each other and to AC
power.
When connecting your equipment:
• Turn off all equipment before making any connections.
• Use the correct signal cables for each source.
• For best performance and to minimize cable clutter, use high-quality cables that are
only as long as necessary to connect two devices. (Don't use a 20-foot cable when a
6-foot cable will suffice.)
• Ensure that the cables are securely connected. Tighten the thumbscrews on
connectors that have them.
Digital Video Connection: Connect the HDMI Out (To Display) connector on the
Primary DHD Controller to the HDMI input on the "left eye" (top) optical engine on the
D-73d projector. Similarly connect the HDMI Out (To Display) connector on the
Secondary DHD Controller to the HDMI input on the "right eye" (bottom) optical engine on
the D-73d projector.
RS-232 Connection: Connect the Display Control output from the Primary DHD
Controller to the RS-232 input on the "left eye" (top) optical engine on the D-73d
projector.
Similarly connect the Display Control output from the Secondary DHD Controller to the
RS-232 input on the "right eye" (bottom) optical engine on the D-73d projector.
Use the provided modular telephone cables with RJ11 plugs at both ends for the RS-232
connections. These cables have color-coded labels at each end to facilitate these
connections. On the D-73d end, use the provided RJ11-to-DB9 adapters. These
adapters are wired as shown in Figure 3-13.
4
To/From
3
DHD
Controller
2
1, 5, 6
6-position
RJ-11 Male
6
1
Figure 3-13. RS-232 Connection from the DHD Controller to the D-73d
RCV DATA
XMT DATA
SIG GND
NO CONNECTION
1
6
38
3
2
5
1, 4, 6,
7, 8, 9
DB-9 Male
D-73d Series Installation/Operation Manual
RS-232
RS-232
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Troubleshooting
