Section 2: Installation and Setup
020-100001-01 Rev. 01 (04/07)
2-15
.
As an alternative to the projector’s keypad or remote, you may wish to communicate
with the projector using a PC or other controller. Such a device sends commands and
receives feedback via serial links (RS232 and RS422), Ethernet or GPIO
communications to the projector, all described below.
As desired, direct the projector’s IR remote keypad towards the display screen or the
projector’s IR sensors. Alternatively, connect a wired (tethered) version of the remote
to the 3.5mm RCA jack labeled as
REMOTE
on the projector’s input panel. Note that
response to a wired keypad must also be enabled in the
Communications
menu—see
3.6, Adjusting System Parameters and Advanced Controls
for more information.
There are two types of serial ports available on the projector: RS232 and RS422. You
can connect a device with a serial interface, such as a computer to either of these
connectors (not both) and control the projector remotely by entering specific serial
communication commands.
Connecting RS-232
The two nine-pin DIN connectors labeled RS232 IN and RS232 OUT on the input
panel are dedicated to serial communication (see Figure 2.10). Using the appropriate
serial communication cables
(see Appendix C)
connect the controlling source, such as
a personal computer to the RS232 IN connector. Then set the baud rate to match that
of the computer. Refer to
Section 3
for details on changing the projector’s baud rate.
Figure 2.10. Connecting RS232
Connecting RS-422
If you wish to control the projector with a computer and or other controlling device
with RS-422 capability, connect a RS-422 serial communication cable between the
computer and the RS-422 port on the projector (see Figure 2.11). RS-422 is better
suited for serial communication over long distances then is RS-232 communication.
Use the RS-422 port only if your device had RS-422 capability – always
consult the literature provided with your equipment before connecting.
Connecting to the RS-422 port with incompatible equipment could damage
your projector.
2.4 Connecting
Communications
Remote
Keypads
f
Serial Port Connections
f
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