Copyright
This publication, including all photographs, illustrations and software, is protected under international copyright laws, with all rights reserved. Neither this manual, nor any of the material contained herein, may be reproduced without written consent of the author.
© Copyright 2015
Disclaimer
The information in this document is subject to change without notice. The manufacturer makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. The manufacturer reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of the manufacturer to notify any person of such revision or changes.
Trademark Recognition
Kensington is a U.S. registered trademark of ACCO Brand Corporation with issued registrations and pending applications in other countries throughout the world.
HDMI, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.
All other product names used in this manual are the properties of their respective owners and are acknowledged.
Ver.:01
— i —
Important Safety Information
Important:
It is strongly recommended that you read this section carefully before using the projector. These safety and usage instructions will ensure that you enjoy many years of safe use of the projector.
Keep this manual for future reference.
Symbols Used
Warning symbols are used on the unit and in this manual to alert you of hazardous situations. The following styles are used in this manual to alert you to important information.
Note:
Provides additional information on the topic at hand.
Important:
Provides additional information that should not be overlooked.
Caution:
Alerts you to situations that may damage the unit.
Warning:
Alerts you to situations that may damage the unit, create a hazardous environment, or cause personal injury.
Throughout this manual, component parts and items in the OSD menus are denoted in bold font as in this example:
“Push the Menu button on the remote control to open the Main menu.”
General Safety Information
Do not open the unit case. Aside from the projection lamp, there are no user-serviceable parts in the unit. For servicing, contact qualified service personnel.
Follow all warnings and cautions in this manual and on the unit case.
The projection lamp is extremely bright by design. To avoid damage to eyes, do not look into the lens when the lamp is on.
Do not place the unit on an unstable surface, cart, or stand.
Avoid using the system near water, in direct sunlight, or near a heating device.
Do not place heavy objects such as books or bags on the unit.
— ii —
Projector Installation Notice
Place the projector in a horizontal position
The tilt angle of the projector should not exceed 15 degrees, nor should the projector be installed in any way other than the desktop and ceiling mount, otherwise lamp life could decrease dramatically, and may lead to other unpredictable damages.
15° -15°
Allow at least 50 cm clearance around the exhaust vent.
Minimum 500mm |
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Minimum 500mm |
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Minimum 500mm |
(19.69 inch) |
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(19.69 inch) |
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(19.69 inch) |
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Minimum 100mm (3.94 inch)
Minimum 500mm |
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Minimum 300mm |
(19.69 inch) |
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(11.81 inch) |
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Ensure that the intake vents do not recycle hot air from the exhaust vent.
When operating the projector in an enclosed space, ensure that the surrounding air temperature within the enclosure does not exceed operation temperature while the projector is running, and the air intake and exhaust vents are unobstructed.
All enclosures should pass a certified thermal evaluation to ensure that the projector does not recycle exhaust air, as this may cause the device to shutdown even if the enclosure temperature is with the acceptable operation temperature range.
–iii –
Verify Installation Location
To supply power, the 3-blade (with earthing lead) socket should be used to ensure proper grounding and equalized ground potential for all of the equipment in the Projector System.
The power code provided with the Projector should be used. In case of any missing item, other qualified 3-blade (with earthing lead) power cord can be used as substitution; however, do not use 2-blade power cord.
Verify if the voltage is stable, grounded properly and there is no electricity leakage.
Measure total power consumption which should not higher the safety capacity and avoid safety issue and short circuit.
Turn on Altitude Mode when located in high altitude areas
The projector can only be installed upright or inverted.
When installation the bracket, make sure the weight limit is not exceed and firmly secured.
Avoid installing near air conditioner duct or subwoofer.
Avoid installing at high temperature, insufficient cooling and heavy dust locations.
Keep your product away from fluorescent lamps to avoid malfunction caused by IR interference
The VGA IN connector should be connected to the VGA IN port. Note that it should be inserted tightly, with the screws on both sides securely fastened to ensure proper connection of the signal wire for achieving optimal display effect.
The AUDIO IN connector should be connected to the AUDIO IN port and CANNOT be connected to AUDIO OUT or other ports like BNC, RCA; otherwise, it will lead to mute output and even DAMAGE the port.
Install the projector above 200cm to avoid damage.
The power cord and signal cable should be connected before power on the projector. During the projector starting and operating process, DO NOT insert or remove the signal cable or the power cord to avoid damaging the projector.
Cooling notes
Air outlet
Make sure the air outlet is 50cm clear of any obstruction to ensure proper cooling.
Air outlet location should not be in front of the lens of other projector to avoid causing illusions.
Keep the outlet at least 100cm away from the inlets of other projectors
The projector generates a massive amount of heat during use. The internal fan dissipates the heat of the projector when shutting down, and such process may continue for a certain period. After the project enters STANDBY MODE status, press the AC power button to turn off the projector and remove the power cord. DO NOT remove the power cord during the shutdown process, as it may cause damage to the projector. In the meantime, the delayed heat radiating will also affect the service life of the projector. The shutdown process may vary depending on the model used. Whatever the case may be, be sure to disconnect the power cord till after the projector enters the STANDBY status.
Air inlet
Make sure there is no object blocking air input within 30 cm.
Keep the inlet away from other heat sources
Avoided heavy dust area
— iv —
Power Safety
Only use the supplied power cord.
Do not place anything on the power cord. Place the power cord where it will not be in the way of foot traffic.
Remove the batteries from the remote control when storing or not in use for a prolonged period.
Replacing the Lamp
Replacing the lamp can be hazardous if done incorrectly. See Replacing the Projection Lamp on page 49 for clear and safe instructions for this procedure. Before replacing the lamp:
Unplug the power cord.
Allow the lamp to cool for about one hour.
Caution:
In rare cases the lamp bulb may burn out during normal operation and cause glass dust or shards to be discharged outward from the rear exhaust vent.
Do not inhale or do not touch glass dust or shards. Doing so could result in injury.
Always keep your face away from the exhaust vent so that you do not suffer from the gas and broken shards of the lamp.
Cleaning the Projector
Unplug the power cord before cleaning. See Cleaning the Projector page 52.
Allow the lamp to cool for about one hour.
Regulatory Warnings
Before installing and using the projector, read the regulatory notices in the Regulatory Compliance on page 65.
Important Recycle Instructions:
Lamp(s) inside this product contain mercury. This product may contain other electronic waste that can be hazardous if not disposed of properly. Recycle or dispose in accordance with local, state, or federal Laws. For more information, contact the Electronic Industries Alliance at WWW.EIAE.ORG. For lamp specific disposal information check WWW.LAMPRECYCLE.ORG.
Symbol Explanations
DISPOSAL: Do not use household or municipal waste collection services for disposal of electrical and electronic equipment. EU countries require the use of separate recycling collection services.
–v –
Table of Contents |
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GETTING STARTED.............................................................................................................................................. |
1 |
PACKING CHECKLIST ............................................................................................................................................. |
1 |
VIEWS OF PROJECTOR PARTS................................................................................................................................ |
2 |
Front-right View ............................................................................................................................................... |
2 |
Limited lens shift.............................................................................................................................................. |
3 |
Top view—On-screen Display (OSD) buttons and LEDs................................................................................ |
4 |
Rear view......................................................................................................................................................... |
5 |
Bottom view ..................................................................................................................................................... |
7 |
REMOTE CONTROL PARTS ..................................................................................................................................... |
8 |
REMOTE CONTROL OPERATING RANGE ................................................................................................................ |
10 |
PROJECTOR AND REMOTE CONTROL BUTTONS..................................................................................................... |
10 |
INSERTING THE REMOTE CONTROL BATTERIES ..................................................................................................... |
11 |
SETUP AND OPERATION................................................................................................................................... |
12 |
STARTING AND SHUTTING DOWN THE PROJECTOR ................................................................................................ |
12 |
SETTING AN ACCESS PASSWORD (SECURITY LOCK).............................................................................................. |
14 |
ADJUSTING THE PROJECTOR LEVEL ..................................................................................................................... |
16 |
ADJUSTING THE ZOOM, FOCUS AND KEYSTONE..................................................................................................... |
17 |
ADJUSTING THE VOLUME ..................................................................................................................................... |
18 |
ON-SCREEN DISPLAY (OSD) MENU SETTINGS.............................................................................................. |
19 |
OSD MENU CONTROLS ....................................................................................................................................... |
19 |
Navigating the OSD....................................................................................................................................... |
19 |
SETTING THE OSD LANGUAGE............................................................................................................................. |
20 |
OSD MENU OVERVIEW........................................................................................................................................ |
21 |
IMAGE MENU ....................................................................................................................................................... |
24 |
Computer Menu............................................................................................................................................. |
25 |
Advanced Feature ......................................................................................................................................... |
26 |
Color Manager............................................................................................................................................... |
27 |
SETTINGS 1 MENU............................................................................................................................................... |
28 |
Audio.............................................................................................................................................................. |
29 |
Advanced 1 Feature ...................................................................................................................................... |
30 |
Advanced 2 Feature ...................................................................................................................................... |
32 |
SETTINGS 2 MENU............................................................................................................................................... |
33 |
Status............................................................................................................................................................. |
34 |
Advanced 1 Feature ...................................................................................................................................... |
35 |
Advanced 2 Feature ...................................................................................................................................... |
47 |
MAINTENANCE AND SECURITY ....................................................................................................................... |
49 |
REPLACING THE PROJECTION LAMP ..................................................................................................................... |
49 |
Resetting the Lamp ....................................................................................................................................... |
51 |
CLEANING THE PROJECTOR ................................................................................................................................. |
52 |
Cleaning the Lens.......................................................................................................................................... |
52 |
Cleaning the Case ......................................................................................................................................... |
52 |
USING THE KENSINGTON SECURITY SLOT & USING THE SECURITY BAR ................................................................. |
53 |
Using the Kensington Security Slot ............................................................................................................... |
53 |
Using the Security Bar................................................................................................................................... |
53 |
TROUBLESHOOTING ......................................................................................................................................... |
54 |
COMMON PROBLEMS AND SOLUTIONS ................................................................................................................... |
54 |
TIPS FOR TROUBLESHOOTING .............................................................................................................................. |
54 |
LED ERROR MESSAGES ...................................................................................................................................... |
55 |
IMAGE PROBLEMS ............................................................................................................................................... |
55 |
LAMP PROBLEMS................................................................................................................................................. |
56 |
REMOTE CONTROL PROBLEMS............................................................................................................................. |
56 |
AUDIO PROBLEMS ............................................................................................................................................... |
57 |
HAVING THE PROJECTOR SERVICED ..................................................................................................................... |
57 |
HDMI Q & A ....................................................................................................................................................... |
58 |
— vi — |
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SPECIFICATIONS................................................................................................................................................ |
59 |
SPECIFICATIONS.................................................................................................................................................. |
59 |
PROJECTION DISTANCE VS. PROJECTION SIZE ...................................................................................................... |
60 |
Projection Distance and Size Table .............................................................................................................. |
60 |
TIMING MODE TABLE ........................................................................................................................................... |
62 |
PROJECTOR DIMENSIONS .................................................................................................................................... |
64 |
REGULATORY COMPLIANCE ........................................................................................................................... |
65 |
FCC WARNING ................................................................................................................................................... |
65 |
CANADA.............................................................................................................................................................. |
65 |
SAFETY CERTIFICATIONS ..................................................................................................................................... |
65 |
APPENDIX I ......................................................................................................................................................... |
66 |
RS-232C PROTOCOL .......................................................................................................................................... |
66 |
APPENDIX II ........................................................................................................................................................ |
71 |
DX977 / DH976 / DU978 FAMILY ........................................................................................................................ |
71 |
–vii –
GETTING STARTED
Packing Checklist
Carefully unpack the projector and check that the following items are included:
DLP PROJECTOR
REMOTE CONTROL |
LENS CAP |
RGB CABLE |
POWER CORD |
(WITH TWO AAA BATTERIES) |
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CARRYING CASE |
CD-ROM |
QUICK START GUIDE |
WARRANTY CARD |
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(THIS USER’S MANUAL) |
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Contact your dealer immediately if any items are missing, appear damaged, or if the unit does not work. It is recommend that you keep the original packing material should you ever need to return the equipment for warranty service.
Caution:
Avoid using the projector in dusty environments.
– 1 –
Views of Projector Parts
Front-right View
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LABEL |
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DESCRIPTION |
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Height-adjuster button |
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Push to release height adjuster |
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2. |
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Height adjuster |
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Adjusts level of projector |
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3. |
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Lens |
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Projection Lens |
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IR receiver |
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Receive IR signal from remote control |
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5. |
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Focus ring |
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Focuses the projected image |
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Zoom ring |
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Enlarges the projected image |
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7. |
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Manual Lens shift |
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For Image vertical shift adjustment |
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8. |
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Function keys |
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See Top view—On-screen Display (OSD) |
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buttons and LEDs. |
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Important:
Ventilation openings on the projector allow for good air circulation, which keeps the projector lamp cool. Do not obstruct any of the ventilation openings.
— 2 —
Limited lens shift
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DX977 |
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DH976 |
DU978 |
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8% |
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To shift up the projection image, twist the adjusters counter clockwise
To shift down the projection image , twist the adjusters clockwise
– 3 –
Top view—On-screen Display (OSD) buttons and LEDs |
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ITEM |
LABEL |
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DESCRIPTION |
SEE PAGE |
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1. |
(Power button) |
Turns the projector On or Off. |
12 |
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2. |
BLANK |
Displays a blank screen and mutes audio |
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◄ (Left cursor) / |
Navigates and changes settings in the OSD |
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Volume- |
Quick Menu – For Volume |
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4. |
Enter |
Enter or confirm highlighted OSD menu item |
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MENU |
Opens and exits OSD menus |
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▲ (Up cursor) / |
Navigates and changes settings in the OSD |
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Keystone+ |
Quick Menu – For Keystone |
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7. |
AUTO |
Optimizes image size, position, and resolution |
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8. |
► (Right cursor) / |
Navigates and changes settings in the OSD |
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Volume+ |
Quick Menu – For Volume |
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9. |
SOURCE |
Enter the Source menu |
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10. |
▼ (Down cursor) / |
Navigates and changes settings in the OSD |
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Keystone- |
Quick Menu – For Keystone |
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11. |
LAMP LED |
Flashing |
Lamp is not ready (warming up/shutting down/cooling) |
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(see LED Error Messages on page 55) |
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12. |
TEMP LED |
Flashing |
Error code |
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— 4 —
Rear view |
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1 |
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10 11 |
12 |
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161514 |
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ITEM |
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LABEL |
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DESCRIPTION |
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SEE PAGE |
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1. |
AC IN |
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Connect the POWER cable |
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2. |
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(USB) |
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Connect the USB cable from a computer |
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3. |
VGA OUT |
Connect the RGB cable to a display |
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(Loop Thru only for VGA IN-1) |
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4. |
LAN |
Connect a LAN cable from Ethernet |
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5. |
VGA IN 1 |
Connect the RGB cable from a computer or component device |
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6. |
VGA IN 2 |
Connect the RGB cable from a computer or component device |
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7. |
DP |
Connect a DISPLAYPORT CABLE from a DISPLAYPORT device |
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8. |
AUDIO IN |
Connect an AUDIO cable from audio device |
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9. |
HDMI 1 / 2 |
Connect the HDMI cable from a HDMI device |
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10. |
3D SYNC |
Connect the 3D IR glasses transmitter |
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(Note: For Vivitek brand 3D IR glasses only) |
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When connected to the screen through a commercially available cable, 11. DC 12V TRIGGER the screen deploys automatically on start up of the projector. The screen
retracts when the projector is powered off (see notes below).
12. |
Speaker |
Outputs audio sound |
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13. |
Kensington Security |
Secure to permanent object with a Kensington Lock |
53 |
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system |
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14. |
VIDEO IN |
Connect the COMPOSITE cable from a video device |
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15.AUDIO IN (L and R) Connect the AUDIO cable from a audio device
16. |
S-VIDEO IN |
Connect the S-Video cable from a video device |
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17. |
RS-232C |
Connect RS-232 serial port cable for remote control |
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18. |
AUDIO OUT |
Connect an AUDIO cable to audio amplifier |
– 5 –
Note:
To use this feature, you must plug in the connector before turn on/off the projector.
Screen controllers are supplied and supported by screen manufacturers.
Do not use this jack for anything other than intended use.
Note:
If your video equipment has both S-VIDEO and RCA jacks (composite video) connect to the S-VIDEO connector. S-VIDEO provides a better quality signal.
Warning:
As a safety precaution, disconnect all power to the projector and connecting devices before making connections.
— 6 —
Bottom view
ITEM |
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LABEL |
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DESCRIPTION |
SEE PAGE |
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1. |
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Tilt adjustor |
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Rotate adjuster lever to adjust angle position. |
16 |
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2. |
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Ceiling support holes |
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Contact your dealer for information on mounting the projector on a |
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ceiling |
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3. |
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Height adjustor |
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Adjuster drops down when adjuster button is |
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pushed. |
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16 |
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4. |
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Height adjustor button |
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Push to release adjustor. |
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Note:
When installing, ensure that you use only UL Listed ceiling mounts.
For ceiling installations, use approved mounting hardware and M4 screws with a maximum screw depth of 6 mm (0.23 inch).
The construction of the ceiling mount must be of a suitable shape and strength. The ceiling mount load capacity must exceed the weight of the installed equipment, and as an additional precaution be capable of withstanding three times the weight of the equipment (not less than 5.15 kg) over a period of 60 seconds.
– 7 –
Remote Control Parts
Important:
1.Avoid using the projector with bright fluorescent lighting turned on. Certain high-frequency fluorescent lights can disrupt remote control operation.
2.Be sure nothing obstructs the path between the remote control and the projector. If the path between the remote control and the projector is obstructed, you can bounce the signal off certain reflective surfaces such as projector screens.
3.The buttons and keys on the projector have the same functions as the corresponding buttons on the remote control. This user’s manual describes the functions based on the remote control.
Note:
Complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007
— 8 —
ITEM |
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LABEL |
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DESCRIPTION |
SEE PAGE |
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1. |
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IR transmitter |
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Transmits signals to projector |
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2. |
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Status LED |
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Lights when the remote control is used |
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3. |
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Laser |
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Press to operate the on-screen pointer |
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4. |
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Up |
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Up arrow when connected through USB to a PC |
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(Not available in this series) |
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5. |
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Right |
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Right arrow when connected through USB to a PC |
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(Not available in this series) |
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6. |
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Down |
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Down arrow when connected through USB to a PC |
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(Not available in this series) |
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7. |
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Page Down |
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Page down when connected through USB to a PC |
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(Not available in this series) |
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8. |
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Up cursor |
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19 |
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9. |
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Right cursor |
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Navigates and changes settings in the OSD |
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10. |
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Down cursor |
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11. |
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Volume +/- |
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Adjusts volume |
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12. |
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Mute |
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Mutes the built-in speaker |
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13. |
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Zoom+ |
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Zoom in |
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14. |
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Zoom- |
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Zoom out |
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15. |
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Freeze |
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Freeze/unfreezes the on-screen picture |
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16. |
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Blank |
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Makes the screen blank |
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17. |
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Source |
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Detects the input device |
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18. |
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Auto |
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Auto adjustment for phase, tracking, size, position |
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19. |
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Menu |
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Opens the OSD |
19 |
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20. |
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Status |
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Opens the OSD Status menu (the menu only opens when |
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an input device is detected) |
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21. |
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Keystone top/bottom |
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Corrects image-trapezoid (wider top/bottom) effect |
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22. |
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Left cursor |
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Navigates and changes settings in the OSD |
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23. |
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Enter |
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Changes settings in the OSD |
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24. |
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Page Up |
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Page up when connected through USB to a PC |
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(Not available in this series) |
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25. |
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Left |
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Left arrow when connected through USB to a PC |
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(Not available in this series) |
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26. |
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Enter |
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Enter key when connected through USB to a PC |
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(Not available in this series) |
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27. |
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Power |
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Turns the projector on or off |
12 |
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28. |
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Laser |
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Use as on-screen pointer. DO NOT POINT IN EYES. |
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Caution:
Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous laser light exposure.
– 9 –
Remote Control Operating Range
The remote control uses infrared transmission to control the projector. It is not necessary to point the remote directly at the projector. Provided you are not holding the remote perpendicular to the sides or the rear of the projector, the remote will function well within a radius of about 7 meters (23 feet) and 15 degrees above or below the projector level. If the projector does not respond to the remote control, move a little closer.
Projector and Remote Control Buttons
The projector can be operated using the remote control or the buttons on the top of the projector. All operations can be carried out with the remote control; however, the buttons on the projector are limited in use.
— 10 —
Inserting the Remote Control Batteries
1. Remove the battery compartment cover by sliding the cover in the direction of the arrow.
2. Insert the battery with the positive side facing up.
3. Replace the cover.
Caution:
1.Only use AAA batteries (Alkaline batteries are recommended).
2.Dispose of used batteries according to local ordinance regulations.
3.Remove the batteries when not using the projector for prolonged periods.
– 11 –
SETUP AND OPERATION
Starting and Shutting down the Projector
1. Connect the power cord to the projector. Connect the other end to a wall outlet.
The 
POWER LED on the projector light.
2.
3.
Turn on the connected devices.
Ensure the POWER LED not a
flashing. Then press the 
POWER button to turn on the projector.
The projector splash screen displays and connected devices are detected.
See Setting an Access Password (Security Lock) on page 14 if security lock is enabled.
4. If more than one input device is connected, press the SOURCE button and use ▲▼ to scroll among devices.
(Component is supported through the RGB to COMPONENT ADAPTER.)
HDMI 1 / HDMI 2: High-Definition Multimedia Interface 1 / 2
DisplayPort: DisplayPort
VGA 1 / VGA 2: Analog RGB1 / RGB 2S-Video: Super video (Y/C separated)
Composite Video: Traditional composite video
— 12 —
5. When the “Power Off? /Press Power again” message appears, press the POWER button. The projector turns off.
Caution:
1.Be sure to remove the lens cap before starting projector.
2.Do not unplug the power cord until all of fans are stop–indicating the projector has cooled down.
– 13 –
Setting an Access Password (Security Lock)
You can use the four (arrow) buttons to set a password and prevent unauthorized use of the projector. When enabled, the password must be entered after you power on the projector. (See Navigating the OSD on page 19 and Setting the OSD Language on page 20 for help on using OSD menus.)
Important:
Keep the password in a safe place. Without the password, you will not be able to use the projector. If you lose the password, contact your reseller for information on clearing the password.
1. Press the MENU button to open the OSD menu.
2. Press the cursor ◄► button to move to the Settings 1 menu, press the cursor ▲▼ button to select Advanced 1.
3. Press 
(Enter) / ► to enter the Advanced 1 sub menu. Press the cursor ▲▼ button to select Security Lock.
Press the cursor ◄► button to enter
4. and enable or disable security lock function.
A password dialog box automatically appears.
— 14 —
5. You can use the cursor buttons
▲▼◄►
either on keypad or IR remote control for password entry. You can use any combination including the same arrow five times, but not less than five.
Press the cursor buttons in any order to set the password. Push the MENU button to exit the dialog box.
6. The password confirm menu appears when user presses the power-on key in case the Security Lock is enabled. Enter the password in the order you set it at step 5. In case you forget the password, please contact the service center.
The service center will validate the owner and help reset the password.
– 15 –
Adjusting the Projector Level
Take note of the following when setting up the projector:
The projector table or stand should be level and sturdy.
Position the projector so that it is perpendicular to the screen.
Remove the Back Foot Holder on the rear adjuster foot before adjusting the projection angle.
Ensure the cables are in a safe location. You could trip over them.
1. |
To raise the level of the projector, lift the projector [A] and press the height- |
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adjuster button [B]. |
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The height adjuster drops down [C]. |
2. |
To lower the level of the projector, press the height-adjuster button and push |
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down on the top of the projector. |
3. |
To adjust the angle of the picture, turn the tilt-adjuster [D] right or left until |
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the desired angle has been achieved. |
— 16 —
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