Elmo CRC-1 User manual

CRC-1
Instruction Manual

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Contents
1. IMPORTANT SAFEGUARDS ...........................................................................................3
Usage precautions.....................................................................................................6
2. List of Contents ...............................................................................................................8
3. Part Names and Functions .............................................................................................9
Exterior ......................................................................................................................9
Operation panel .......................................................................................................10
Connectors .............................................................................................................. 11
4. Preparations...................................................................................................................12
Connection diagram ................................................................................................12
Installation method...................................................................................................13
Cable connections ...................................................................................................14
Controlling with RS-232C ........................................................................................16
Infrared learning function.........................................................................................18
5. Operating the Unit .........................................................................................................21
Operation.................................................................................................................21
When there are connectors not connected to peripheral devices ...........................23
6. Troubleshooting ............................................................................................................24
7. Specifications ................................................................................................................26
8. Appendix ........................................................................................................................28
Selecting a projector to use .....................................................................................28
RS-232C command tables.......................................................................................29
9. Separately Sold Options ...............................................................................................31

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1. IMPORTANT SAFEGUARDS
■Read Instructions
All the safety and operating instructions should be read before the appliance is operated.
■Retain Instructions
The safety and operating instructions should be retained for future reference.
■Heed Warnings
All warnings on the product and in the operating instructions should be adhered to.
■Follow Instructions
All operating and use instructions should be followed.
■Cleaning
Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp cloth for cleaning.
■Attachments
Do not use attachments not recommended by the product manufacturer as they may
cause hazards.
■Water and Moisture
Do not use this product near water - for example, near a bath tub, wash bowl, kitchen sink,
or laundry tub, in a wet basement, or near a swimming pool, and the like.
■Placement
Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product
may fall, causing serious injury to a child or adult, and serious damage to the product. Use
only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold
with the product. Any mounting of the product should follow the manufacturer's
instructions, and should use a mounting accessory recommended by the manufacturer.
■Ventilation
Slots and openings in the cabinet are provided for ventilation and to ensure reliable
operation of the product and to protect it from overheating, and these openings must not
be blocked or covered. The openings should never be blocked by placing the product on a
bed, sofa, rug, or other similar surface. This product should not be placed in a built-in
installation such as a bookcase or rack unless proper ventilation is provided or the
manufacturer's instructions have been adhered to.

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■Power Sources
This product should be operated only from the type of power source indicated on the
marking label. If you are not sure of the type of power supply to your home consult your
appliance dealer or local power company. For products intended to operate from battery
power, or other sources, refer to the operating instructions.
■Grounding or Polarization
This product may be equipped with either a polarized 2-wire AC line plug (a plug having
one blade wider than the other) or a 3-wire grounding type plug, a plug having a third
(grounding) pin. The 2-wire polarized plug will fit into the power outlet only one way. This is
a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the
plug. If the plug still fails to fit, contact your electrician to replace your obsolete outlet. Do
not defeat the safety purpose of the polarized plug. The 3-wire grounding type plug will fit
into a grounding type power outlet. This is a safety feature. If you are unable to insert the
plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat
the safety purpose of the grounding type plug.
■Power-Cord Protection
Power-supply cords should be routed so that they are not likely to be walked on or pinched
by items placed upon or against them, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from the product.
■Lightning
For added protection for this product during a lightning storm, or when it is left unattended
and unused for long periods of time, unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage to the product due to lightning and
power-line surges.
■Overloading
Do not overload wall outlets, extension cords, or integral convenience receptacles as this
can result in a risk of fire or electric shock.
■A product and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause
the product and cart combination to overturn.
■Object and Liquid Entry
Never push objects of any kind into this product through openings as they may touch
dangerous voltage points or short-out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the product.
■Servicing
Do not attempt to service this product yourself as opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all servicing to qualified service
personnel.

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■Damage Requiring Service
Unplug this product from the wall outlet and refer servicing to qualified service personnel
under the following conditions:
- When the power-supply cord or plug is damaged.
- If liquid has been spilled, or objects have fallen into the product.
- If the product has been exposed to rain or water.
- If the product does not operate normally by following the operating instructions. Adjust
only those controls that are covered by the operating instructions as an improper
adjustment of other controls may result in damage and will often require extensive
work by a qualified technician to restore the product to its normal operation.
- If the product has been dropped or damaged in any way.
-
When the product exhibits a distinct change in performance - this indicates a need for service.
■Replacement Parts
When replacement parts are required, be sure the service technician has used
replacement parts specified by the manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result in fire, electric shock or other hazards.
■Safety Check
Upon completion of any service or repairs to this product, ask the service technician to
perform safety checks to determine that the product is in proper operating condition.
■Heat
The product should be situated away from heat sources such as radiators, heat registers,
stoves, or other products (including amplifiers) that produce heat.
SA 1965
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated "dangerous voltage"
within the product's enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons. This marking is located at the bottom of product.
SA 1966
The exclamation point within an equilateral triangle is intended to alert the user to
the presence of important operating and maintenance (servicing) instructions in
the literature accompanying the product.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS PRODUCT TO RAIN OR MOISTURE.

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Usage precautions
• Read the Instruction Manual carefully before using this product.
• A power cord is supplied that is suitable for the country of sale.
• The supplied power cord and AC Adapter is for this device only. Do not use them with
other devices. Also, do not use other power cords or AC Adapters.
• Do not store in a location exposed to direct sunlight or frequent vibration.
The operating environment conditions are as follows.
Temperature: 0°C to 40°C (32°F - 104°F) Humidity: 30% to 85% (no condensation)
• When cleaning the unit, wipe it with a soft, dry cloth.
Do not use any volatile solvents such as thinner or benzene.
• Observe the following to prevent the unit from falling or overturning.
- Fix the unit with screws to prevent it from falling or overturning.
- Install and wire the unit in such a way that the AC Adapter cord and video cable will
not be pulled during use.
• If this product is used for a long time beyond the warranty period, its performance or
quality may deteriorate as the parts approach the end of their service lives. We can
replace parts for a fee, so contact the dealer where you purchased the product, or our
nearest branch office or sales office.

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■FCC Notice
This equipment has been tested and found to comply with the limits for a class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide against
harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio or television reception.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause interference radio and television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures.
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
- Consult the dealer or an experienced radio/television technician for help.
User-Installer Caution:
- Your authority to operate this FCC verified equipment could be voided if you make
changes or modifications not expressly approved by the party responsible for
compliance to Part 15 of the FCC rules.
The connection of a non-shielded equipment interface cable to this equipment will
invalidate the FCC Certification or Declaration of this device and may cause interference
levels which exceed the limits established by the FCC for this equipment. It is the
responsibility of the user to obtain and use a shielded equipment interface cable with this
device. If this equipment has more than one interface connector, do not leave cables
connected to unused interfaces. Changes or modifications not expressly approved by the
manufacturer could void the user’s authority to operate the equipment.
WARNING:
Handling the cord on this product or cords associated with accessories sold with this
product, will expose you to lead, a chemical known to the State of California to cause birth
defects or other reproductive harm.
Wash hands after handling.

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2. List of Contents
The contents of this package are shown in the list below.
No. Name Quantity
(1) Main unit 1
(2) AC Adapter 1
(3) Power cable 1
(4) RS cable 1
(5) IR cable 1
(6) Bracket 1
(7) CD-ROM (Instruction Manual) 1
(8) Warranty Card (US only) 1

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3. Part Names and Functions
Exterior
No. Name
(1) Operation panel
(2) Front cover
(3) Remote control receiver
(4) Connectors

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Operation panel
No. Button Button name Description
(1) ON Turns on the power of the projector.
(2) OFF Turns off the power of the projector.
(3) BLANK Blanks the projector output image, or
cancels the blanking.
(4) SYNC Adjusts the screen.
(5) Computer Enables RGB1 and AUDIO1.
(6) Document Camera Enables RGB2 and AUDIO2.
(7) VIDEO Enables VIDEO and AUDIO (L/R).
(8)*1
Volume Down Lowers the AUDIO volume.
(9)*1 MUTE Mutes AUDIO, or cancels the mute.
(10)*1
Volume Up Raises the AUDIO volume.
(11)*1
MIC Volume Adjusts the MIC volume.
Caution
*1 The volumes of the AUDIO and MIC are adjusted separately.

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Connectors
No. Symbol Connector name Description
(1)*1 AUDIO1 Audio input from “Computer”
(2)*1 AUDIO2 Audio input from “Document Camera”
(3)*1 MIC Audio input from “MIC”
(4) VIDEO Image input from “VIDEO”
(5)*1 AUDIO L Audio input(left) from “VIDEO”
(6)*1 AUDIO R Audio input(right) from “VIDEO”
(7)*1 AUDIO Audio output
(8) DC IN DC 12 V power supply
(9) RGB1 Image input from “Computer”
(10) RGB2 Image input from “Document Camera”
(11) RGB Image output from “RGB”
(12) VIDEO Image output from “VIDEO”
(13) RS-232C Projector control output
Caution
*1 MIC and the AUDIO1, AUDIO2 or AUDIO (L/R) output that is selected are
mixed before output.

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4. Preparations
Connection diagram
*1 Use the items that are supplied with this product. (For (8) and (9), use either one or the other.)
*2 For details on selecting the projector, see "Selecting a projector to use" on p.28.
*3 The bracket can be used for fixing the IR emitter. Fix it within the receiving range of the projector
with double-sided tape or screws.
*4 Use items that match the projector side terminal.

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Installation method
The procedure for fixing the unit in the fixing location with screws is described below.
Remove the two screws under the front cover, and remove the rear cover.
Cut out the oval perforated areas, and fix the unit in the fixing location
with screws.
The rectangle perforations are the holes for the expansion board. Do not
cut them out.
After fixing the unit with screws, reinstall the rear cover.

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Cable connections
The methods for connecting peripheral devices to the unit are described below. When
connecting the cables, fully and securely insert them into the connectors. If a connector
has fixing screws, tighten them securely.
1. AUDIO1 and RGB1
The input from the Computer. Connect RGB1 to the Computer output with a VGA cable,
and connect AUDIO1 to the Computer output with an audio cable (Φ3.5 mm stereo mini
plug).
2. AUDIO2 and RGB2
The input from the Document Camera. When the Document Camera is used, AUDIO2 is
not used.
Connect RGB2 to the Document Camera output with a VGA cable.
Caution
When using audio, connect the output terminal of the unit to AUDIO2 with an
audio cable (Φ3.5 mm stereo mini plug).
3. MIC
The microphone input. Connect with a Φ6.5 mm microphone plug.
4. RGB
The image output from “RGB”. Connect to the projector with a VGA cable.
5. VIDEO
The image output from “VIDEO”. Connect to the projector with a video cable.
6. VIDEO and AUDIO (L/R)
The composite video input. Connect the output of a VCR player or similar device to the
VIDEO and AUDIO (L/R) connectors with an RCA cable, matching the yellow (VIDEO),
white (L) and red (R) connector colors.
7. AUDIO
The audio output connector. Connect to an external speaker with an audio cable (Φ3.5
mm stereo mini plug).

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8. RS-232C
Connect the RS-232C connector of the unit to the projector control connector with the
supplied RS cable. For details on the projector to use, see "Selecting a projector to use"
on p.28.
A command table that is suitable for the projector must be selected. For details on
selecting the command table, see "Controlling with RS-232C" on p.16.
Projector settings must also be performed.
Caution
If you want to change the control command of the projector or there is no table
for the manufacturer of your projector, the contents of the command table must
be edited with the programming tool (sold separately). Contact your local
dealer.
If the projector does not have a control connector, operate it with IR control.
When performing IR control, see "Infrared learning function" on p.18.
9. IR
Connect the supplied IR cable to the RS-232C connector of the unit. Fix the LED area of
the IR cable in a position where the infrared receiver of the projector responds to it.
Perform learning for the unit to learn the remote control signals of your projector. For
details on the learning function, see "Infrared learning function" on p.18.
Not used when RS-232C control is performed.
10. DC IN
Connect the supplied AC Adapter to the power cable.

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Controlling with RS-232C
RS-232C protocol is used in control communication with the projector. Eight preset
command tables for projectors are available in the unit. Select the correct command table
that is suitable for your projector. The factory setting for the command table of the unit is
SANYO.
Caution
Command control for RGB applies when the unit is connected to the RGB1
connector of a projector. If a projector has multiple RGB connectors, connect
the cable to RGB1.
■Procedure for selecting a preset table
While pressing and holding the unit's (ON) button and
(OFF) button (3 seconds), insert the AC Adapter.
When the buttons are released, all the LEDs other than PROGRAMMING
MODE flash and turn off.

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Press the button below that is suitable for your projector.
(Default: Table 1)
ON button - Table 1 (SANYO)
OFF button - Table 2 (HITACHI)
MUTE button - Table 3 (NEC)
BLANK button - Table 4 (EPSON)
SYNC button - Table 5 (SHARP)
Computer button - Table 6 (Canon)
Document Camera button - Table 7 (EIKI)
VIDEO button - Table 8 (InFocus)
The LED of the selected button turns on for 2 seconds, and after the
command table changes, the LED turns off and normal operation returns.
Connect the supplied RS cable to the unit and the projector.
Check that the projector you connected operates correctly when you
press the different buttons of the unit.
Caution
If you want to set a different table, perform this procedure again.

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Infrared learning function
■Learning method
The unit is equipped with a learning function for infrared signals. This is for learning the
signals of the remote control that is supplied with a projector, to enable the remote control
operation of the projector from the unit.
Perform the learning by following the procedure below.
■Learning procedure
While pressing and holding the unit's (BLANK) button and
(SYNC) button (3 seconds), insert the AC Adapter.
When the buttons are released, all the LEDs flash for 3 seconds, and then
all the LEDs except MUTE turn on.
Caution
In infrared learning mode, the LED of PROGRAMMING MODE is lit.

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Select the button that you want the unit to learn.
The selected button LED turns on.
ON button - Remote 1 (power button)
OFF button - Remote 2 (power button)
BLANK button - Remote 3 (image blank)
SYNC button - Remote 4 (image adjustment)
Computer button - Remote 5 (RGB input selection)
Document Camera button - Remote 6 (RGB input selection)
VIDEO button - Remote 7 (VIDEO input selection)
Caution
1) Make the unit learn the same signals for ON and OFF, and Computer and
Document Camera.
2) To cancel the learning, press the MUTE button.
Make the unit learn the remote control signal that corresponds to the
button.
Point the remote control of the projector toward the infrared receiver of the unit and press
the button you want the unit to learn for 1 to 2 seconds.
When pointing the remote control toward the infrared receiver of the unit, keep it
perpendicular to the receiver and within 3 cm.
Caution
Perform learning within 35 seconds of selecting the button on the unit.
When learning is successful, the LED flashes, and then all the LEDs
except MUTE turn on again.
Repeat the procedure from step until all the buttons have learned remote control
signals.
Caution
If learning fails, the MUTE LED turns on. Press the MUTE button and perform
learning again from step . Also repeat in this way if you make a mistake in
the learning operation.

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To finish learning, press the (MUTE) button.
Normal operation returns.
Connect the supplied IR cable to the unit, and fix the IR emitter in a
position where the remote control receiver of the projector responds to it.
Check that the projector you connected operates correctly when you
press the different buttons of the unit.
Caution
1) Learning may not be possible with some remote control signals.
2) If you make the unit learn two or more functions for a single button, you
must be very careful when operating it.
(1) ON/OFF button of the remote control
If you performed learning for a remote control signal that controls power
on and off, and you press the ON button of the unit while the projector is
running, a message such as "Press again to turn off the projector
power" will be displayed. If you press the button again, the projector will
turn off. Do not touch the unit's ON button while the projector is running.
Also, if you press the OFF button while the projector is in standby, the
projector will start up. Do not touch the unit's OFF button while the
projector is not running.
(2) Video image selection button of the remote control
Projectors that have multiple video image inputs may have a single
remote control button that changes the inputs in sequence.
With such projectors, if you continuously input this selection remote
control signal, the projector input may change and the video image that
you want to display may not be shown. Press down the video image
selection button in short intervals until the video image that you want to
display is shown.