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INSTALLATION
2.8
Optical
Alignment
& SETUP
If using the projector with a
Marquee signal
switcher, connect an RS-232
serial communication cable between the switcher and the projector serial port
labelled "SWITCHER". If the projector is to be controlled by a computer or
controller which has an RS-232 serial port, connect an RS-232 serial cable
between the computer and the projector serial port labelled "IN". After the
connection is made, set the serial port baud rate as described in the Projector
Setup entry in section 3.7,
Utilities.
Notes: 1) All serial connections
require a 9 pin D connector at the projector
end. Refer to Appendix D for cable wiring requirements.
2) For
computerlcontroiler
control, PC sojiware is required.
3) The RS-232 serial
port labelled
"OUT" is provided for projector networking applications.
Optical alignment is required when the throw distance changes or the projector
cannot be focused using the focus controls. The projector is optically aligned
at the factory at a fixed screen size and a fixed projector-to-screen distance.
See Appendices F and G for the specific details needed for your projector
model and lens. If the throw distance has changed since the last setup, proceed
as follows:
Notes: 1) The projector must be warmed up for at least 45 minutes prior to
peq%orming optical alignment.
2) Optical alignment is both a mechanical
and
electrical adjustment.
Electrical adjustments
are stored in the current setup
memory.
After alignment
is complete, setup memories which were previously
set up (if any) must be set up again.
Memory setup is explained in
section 2.10.
3) Factory alignment is pe~ormed
using the internal crosshatch
with a 61.8 kHz signal applied.
It is recommended that optical alignment be performed using the projector's
Guided Mechanical Setup tutorial. This tutorial displays step-by-step
instructions during the alignment. The instructions in this section require use
of the Guided Me~hanical_Setup tutorial.
To access and use the Guided
==
Mechanical Setup tutorial, turn on the
projector ( -
) then press ~
at
1.
Guided
Source
Setup
presentation level. The Help menu is
2. Guided
Mechanical
Setup
displayed. Next press H to select
3. Source
Selection
Guide
Guided Mechanical Setup. The first
4. Keypad
Guide
5. -
page of the guide will be displayed
6.
Using
Help
on the projection screen. When using
the guide, press ~
to display the
For
all
menus:
Press
a number
or use A~
next page, press W
to display the
then
<ENTER>
to select
item.
previous page. When complete, press EXZl
to end Help.
~
Ste9 1 b
If you have not already done so,
.-
calculate the throw distance and set the projector position as explained in
section 2.4,
Mounting.
Turn power off before moving the projector.
2-16
.
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