Optoma H78dc3 Projector User Manual

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Usage Notice
Precautions...................................................................................................................... 2
Introduction
Product Features............................................................................................................. 4
Package Overview ........................................................................................................... 5
Product Overview........................................................................................................... 6
Main Unit.................................................................................................................. 6
Control Panel............................................................................................................. 7
Connection Ports....................................................................................................... 8
Wireless Remote Control ........................................................................................... 9
Installation
Connecting the Projector................................................................................................ 10
Powering On/Off the Projector ....................................................................................... 11
Powering On the Projector ....................................................................................... 11
Powering Off the Projector ........................................................................................ 12
Adjusting the Projected Image ........................................................................................ 13
Adjusting the Projector’s Height .............................................................................. 13
Adjusting the Projector’s Zoom/Focus ..................................................................... 14
User Controls
Control Panel & Remote Control .................................................................................... 15
Onscreen Display Menus.............................................................................................. 18
How to Operate ......................................................................................................... 18
Menu Tree................................................................................................................. 19
Picture....................................................................................................................... 20
Image......................................................................................................................... 22
System....................................................................................................................... 24
Display....................................................................................................................... 25
Appendices
Troubleshooting ............................................................................................................... 27
Replacing the Lamp ......................................................................................................... 30
Ceiling Mount Installation.............................................................................................. 31
Table of Contents 
						

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Usage Notice
Precautions
Please follow all warnings, precautions, and maintenance
procedures as recommended in this user’s guide.
Warning-Do not look into the lens.  The bright light may cause
eye injury.
Warning-To reduce the risk of fire or electric shock, do not
expose this product to rain or moisture.
Warning-To prevent the risk of electric shock, do not open or
disassemble the product.
Warning-Please allow the unit to cool down before changing the
lamp; carefully follow the lamp replacement instruc-
tions listed under “ Replacing the lamp.”
Warning-This product self-detects the life cycle of the lamp and
will display a warning message when the lamp is
about to expire. Be sure to replace the lamp when it
disaplays warning messages.
Warning-After installing a new lamp, reset the lamp life using
the onscreen menu.
Warning-Before turning off the product, follow the cooling fan
to run for several minutes.
Warning-Turn on the projector first and then select the signal
sources.
Warning-Do not use lens cap when projector is in operation.
Warning-When the lamp reaches the end of its life, it will burn
out and may make a loud “popping” sound.  If this
occurs, the projector will not turn back on until the
lamp module has been replaced. To replace the lamp,
follow the procedures listed under “Replacing the
Lamp.” 
						

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Do:
™Turn off the product before cleaning.
™Use a soft cloth moistened with mild detergent to clean the
display housing.
™Disconnect the power plug from AC outlet if the product is not
being used for a long period of time.
Do not:
™Block the slots and openings on the unit provided for
ventilation.
™Place the unit under direct sunlight.
™Use abrasive cleaners, waxes or solvents to clean the unit.
™Use under the following conditions:
- Extremely heat, cold or humidity.
- In areas susceptible to excessive dust and dirt.
- Near any appliance generating a strong magnetic field.
Usage Notice 
						

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Product Features
This product is a WXGA single chip 0.79-inch DLPTM
projector featuring:
‹True WXGA resolution 1280 x 720 addressable pixels
‹Single chip DLP
TM technology
‹Power zoom and focus
‹HDTV compatible (480i/p, 576i/p, 720p, 1080i )
‹NTSC/PAL/SECAM, and HDTV compatible
‹Hi-tech DVI-I connection for digital and analog video
connectivity
‹IR remote control
‹User-friendly multilingual onscreen display menu
‹Advanced electronic keystone correction
‹User-friendly control panel
‹SXGA compression
‹Vertical lens shift
‹HDCP compliant
Introduction 
						

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Introduction
RS232 Cable 1.8m
Battery x 2Projector Unit
Package Overview
This projector comes with all the items shown below.  Check to
make sure your unit is complete.
User’s Manual/
Warranty CardPower Cord
™Due to the differ-
ence in applications
for each country,
some regions may
have different
accessories.
S-Video Cable 1.8mComposite Video Cable
1.8mIR Remote Control
SCART RGB Adaptor
(For European Use
Only)                     
						

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Introduction
Main Unit
Product Overview
1. Control Panel
2. Power Socket & Main Power Switch
3. Four Adjustable Feet
4. Lens
5. Lens Cap
6. Connection Ports
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Control Panel
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1. Lens Shift (Up/Down)
2. Optics Zoom In/Up
3. Optics Zoom Out/Down
4. Optics Focus -/Left
5. Optics Focus+/Right
6. Four Directional Select Keys
7. Resync
8. Source
9. Menu/Exit
10. Enter
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Introduction
Connection Ports
1 Lamp LED
2. Temp LED
3. Power LED
4. Power  Socket
5. Main Power  Switch
6. IR Receiver
7. RCA YPbPr Connectors
8. BNC YPbPr/RGBHV
Connectors
9. +12V Relay Connectors
10. RS-232  Connector
11. S-Video Input Connector
12.  Composite Video  Input
Connector
13.  DVI-I Input Connector
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Wireless Remote Control
Introduction
1. Power On/Off
2. Display Hide
3. Brightness
4. Freeze
5. Contrast
6. Re-sync
7. Hue Adjustment
8. Electronic Zoom
9. Keystone Adjustment
10. Format
11. Menu/Exit
12. Optics Zoom In/Up13. Optics Zoom Out/Down
14. Optics Focus +/Left
15. Optics Focus -/Right
16. Four Directional Select Keys
17. Enter
18. S-Video Source
19. Composite Source
20. BNC Source
21. DVI-I  Source
22. Component Source (YPbPr)
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Connecting the Projector
S-Video Output DVD Player
Set-Top BoxAntenna
RS232 OutputDVI-I Output
1.Power Cord
2.  S-Video Cable
3 . Composite Video Cable
4 . RS232 Cable
5 . DVI to DVI Cable (Optional)
6 . DVI to RCA Cable for YPbPr
(Optional)
7 . RCA Component Cable for
YPbPr (Optional)
8 . BNC Cable for RGB/Compo-
nent (Optional)
Installation
™To ensure that the projector properly displays source
material from your computer, please configure the
display settings of your graphics card to less than or
equal to 1280 x 720 resolution. Be sure that the
timing of the display setting is compatible with the
projector.
+12V Relay  OutputsVideo Output
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