Electrohome Vistagraphx 10k Roadie Users Manual

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You may wish to use a computer rather than a keypad for controlling the
projector and for performing other special functions. From most computers,
connect an RS-232 serial communication cable between the computer and the
projector serial port labeled NETWORK IN (Figure 2-17). Then set the
projector baud rate to match that of the computer. Changing the baud rate is
described in 3.7, Adjusting and Checking System Parameters.
NOTE: In rare instances, some computers can provide 
RS-422 serial
communications. See 
The RS-422 Port, below.
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Note: PC software is required for computer/serial control. Contact your dealer
for details.
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Some computers can provide 
RS-422 serial communications (usually through a
plug-in adapter or external converter) rather than the RS-232 typically found on
most computers. RS-422 communication has differential transmits and receives
and is generally better suited for long distances than is RS-232 communication.
If you wish to control the projector with a computer having RS-422 capability,
connect the computer to the projector’s RS-422 port instead of the port labeled
“NETWORK IN”. Again, use RS-422 only if you are certain that your computer
has RS-422 capability (consult your documentation). See Figure 2-18.
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If your computer has a 6-pin XLR connector instead of a 9-pin D connector, or if
you are using the optional Vista
GRAPHX 2-Way Controller, connect to the XLR
jack on the right front panel of the projector, just under the lens.
NOTE: You cannot use two RS-422 connections simultaneously. Connect to the
9-pin D connector 
or the XLR jack, not both.
You may wish to use one or more external Marquee switchers or third-party
switchers in order to significantly increase the number of sources you can use.
Connect an RS-232 serial communication cable between the switcher and the
projector serial port labeled SWITCHER (Figure 2-19). This port is
permanently set at 9600 baud.
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Continue connecting projectors in this way to the last projector in the chain, so
that only the last projector has an empty NETWORK OUT connector. See
Figure 2-21.
Communication parameters such as baud rate must be set to match the particular
controlling device—refer to the documentation that came with the controlling
device in order to determine the proper baud rate. See 3.7, Adjusting and Checking
System Parameters if you need help changing the projector baud rate from its default of
9600.
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Notes: 
1) To avoid damage, connect only properly wired RS-232 serial
communication cables. See Appendix D for details.  
2) It is recommended that
each communication cable be no more than 25 feet in length. 
						

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Each projector can be assigned a unique 3-digit projector number (for example,
001). These numbers are particularly useful when you are working with multiple
linked projectors, enabling you to direct commands to a certain projector rather
than broadcast to all projectors. For complete information on how to assign
projector numbers, see 3.7, Adjusting and Checking System Parameters.
At manufacture every keypad is assigned a default protocol, which is simply a
collection of settings that determine how the keypad operates. Once assigned,
this protocol remains in effect until it is changed — that is, the keypad will
operate as it currently does until you change its protocol.
Protocols are most useful for multiple-projector applications. For example, you
might want to change a keypad protocol if you are working with two projectors
and two remote keypads in the same room and need to control each projector
independently (Figure 2-22). When Keypad A has a different protocol than
Keypad B, each keypad communicates only with the projector having a matching
protocol. Or, if you have a network of two or more projectors connected together
via RS-232 serial ports, you may want only certain projectors to respond to a
wired keypad.
NOTE: Matching the protocol on the projector to that of a keypad is done
through a setting in the Vista
GRAPHX 10K Preferences menu. See 
3.7, Adjusting
and Checking System Parameters for further information on how to change the
projectors infrared sensor (rear and front) protocol.
A protocol for either type of remote keypad — IR or wired — can be changed
through software commands entered on the keypad. A new protocol set through
software commands remains in effect until the keypad batteries are removed and
replaced (if an IR remote), or until the keypad is unplugged (if a wired remote).
A remote can also be changed manually —you can hard-wire new jumper
settings inside the keypad so that they remain in effect until you change the hard-
wiring. Note that a hard-wired protocol can be temporarily overridden by the
software protocol change, effective until the keypad is unplugged and plugged in
again (if a wired remote) or until a battery is removed (if an IR remote).
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The standard IR remote keypad or the optional wired remote can be set to one of
two different protocols —  “C” or “D”. To hard-wire a protocol to “C” or “D” in
either remote, follow Steps 1 through 5:
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Unplug the keypad from the projector (applies to wired remote only).
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Unlatch and open the empty battery compartment on the back of the keypad as
shown in Figure 2-23.
NOTE: A wired keypad will open as shown, but there will be a cable passing
through the battery compartment cover.
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Find the 4 jumpers located along the latching side of the battery compartment.
These jumpers set the keypad protocol and other settings so that the keypad
functions in a certain manner.
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Set the jumpers as shown in Figure 2-24. Take care to refer to the correct part of
the drawing — IR or wired (optional). Use tweezers or needle-nose pliers to
remove and replace each jumper as necessary.
· -4#
jumper: For either remote, set between pins 1 and 2 to set as Protocol
“C”. Set between pins 2 and 3 to set as Protocol “D”.
· -5#
jumper: For either remote, set between pins 2 and 3 as shown; otherwise,
the projector will not respond correctly to keypad commands.
· -6#
jumper: For the IR remote, make sure that the jumper is set between pins
2 and 3 as shown. For the wired remote, make sure that the jumper is set
between pins 1 and 2 as shown.
· -7#
jumper: For the IR remote, make sure that the jumper is set between pins
1 and 2 as shown. For the wired remote, make sure that the jumper is set
between pins 2 and 3 as shown.
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Replace battery compartment cover. Plug into projector (wired keypad only) and
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NOTE: Although they are similar, a VistaGRAPHX 10K wired keypad cannot be
converted into an IR remote keypad, nor vise versa.
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You can also issue software protocol settings through the keypad. These
software commands will be lost when the keypad is either unplugged or when a
battery is removed — the keypad will revert back to the hard-wired jumper
settings (see above) until you enter the software commands again.
Press 
,QSXW4 &RORU 3L[HO 3RV LW LRQ   = Protocol “&
”
Press 
,QSXW4 &RORU 3L[HO 3RV LW LRQ   = Protocol “
”
NOTE: If you change any keypad to a new protocol and the projector stops
responding,  the projector may be set to a conflicting protocol. Use the
projectors built-in keypad to access the 
Preferences menu. Under “Front IR
Keypad” or “Back IR Keypad” or Wired Keypad, select the protocol that
matches the new protocol of the keypad at hand. The projector should now
respond properly. 
						

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This section explains how to use the VistaGRAPHX 10K projector once it has been
installed. Please read through these pages before using the projector for the first
time. An understanding of Vista
GRAPHX 10K features and how to access them
will help you to take full advantage of the capabilities of the projector within
minutes. Organization of this section is as follows:
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5(027(#&21752/#=220##0 Accessed through the keypad, the lens barrel of a
Vista
GRAPHX ILS® zoom lens (optional) rotates to adjust the size of the image at
the current throw distance (projector-to-screen distance). Minimum and
maximum image sizes depend on which zoom lens is installed — see Section 5,
Specifications. To adjust zoom manually, remove the zoom adapter collar (see
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5(027(#&21752/#)2&86#0 Accessed through the keypad, focus adjusts the
sharpness of the image at the current throw distance.
5(027(#&21752/#/(16#2))6(7#0 Accessed through the keypad, horizontal and
vertical offsets shift the lens to move the image. See Section 2, Installation and
Setup for the offset ranges for any given lens.
/(16#7,/7#$-8670(17#0 Accessed through the front bezel of the projector, this
adjustment allows the lens to be tilted slightly in its mount.
5(027(#&21752/#6+877(5#0 Closing the shutter closes the lens and blocks the
image. The shutter is controlled through the keypad.
&20326,7(2609,(2#,1387#0 Accepts a composite video and S-Video signal from
devices such as VCRs.
5*%#,1387#0#Accepts RGB and sync signals from devices such as computers.
6(5,$/#,17(5)$&(#+:,7+#/223#7+528*+,#0 Allows one or more projectors to be
remotely controlled by a computer or controller, and provides a communications
connection for Marquee and third-party (e.g., Extron) signal switchers.
#$&#/,1(#&25#,1387#0 Integral 30 amp AC line cord. The projector requires
AC power of 220 to 240 VAC, 50 to 60 Hz @ 12 amps.
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