Optoma EP749 User manual

Regulation & safety notices
This appendix lists the general notices of your Projector.
FCC notice
This device 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 rea-
sonable protection against harmful interference in a residential installation. This de-
vice 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
communications.
However, there is no guarantee that interference will not occur in a particular instal-
lation. If this device does cause harmful interference to radio or television reception,
which can be determined by turning the device 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 device and receiver.
• Connect the device 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.
Notice: Shielded cables
All connections to other computing devices must be made using shielded cables to
maintain compliance with FCC regulations.
Caution
Changes or modifi cations not expressly approved by the manufacturer could void
the user’s authority, which is granted by the Federal Communications Commission,
to operate this computer.

Operation conditions
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions:
1. this device may not cause harmful interference, and
2.
this device must accept any interference received, in
cluding interference that
may cause undesired operation.
Notice: Canadian users
This Class B digital apparatus complies with Canadian ICES-003.
Remarque à l’intention des utilisateurs canadiens
Cet appareil numerique de la classe B est conforme a la norme NMB-003 du Canada.
Declaration of Conformity for EU countries
EMC Direc
tive 89/336/EEC (including amendments)
Low Voltage Directive 73/23/EEC (amended by 93/68/EEC)
R & TTE Directive 1999/EC (if product has RF function)

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1
Table of Contents
Table of Contents ......................................................................................... 1
Usage Notice ................................................................................................ 2
Precautions ..........................................................................................................2
Introduction .................................................................................................. 4
Product Features ..................................................................................................4
Package Overview ...............................................................................................5
Product Overview .................................................................................................6
Main Unit ........................................................................................................................6
Control Panel .................................................................................................................7
Connection Ports ...........................................................................................................8
Remote Control with Mouse Function and Laser Pointer ..............................................9
Installation .................................................................................................. 10
Connecting the Projector ....................................................................................10
Connect the Computer/Notebook ................................................................................10
Connect the Video ....................................................................................................... 11
Powering On/Off the Projector ...........................................................................12
Powering On the Projector ...........................................................................................12
Powering Off the projector ...........................................................................................13
Warning Indicator .........................................................................................................13
Adjusting the Projected Image ...........................................................................14
Adjusting the Projector Image Height ..........................................................................14
Adjusting the Projector Zoom / Focus ..........................................................................15
Adjusting Projected Image Size ...................................................................................15
User Controls ............................................................................................. 16
Control Panel & Remote Control ........................................................................16
On-Screen Display Menus .................................................................................18
How to Operate ...........................................................................................................18
Menu Tree ....................................................................................................................19
Image-I ........................................................................................................................20
Image-II .......................................................................................................................22
Colour Setting ..............................................................................................................24
Language .....................................................................................................................26
Management ................................................................................................................27
Lamp Setting ................................................................................................................30
Appendices ................................................................................................ 32
Troubleshooting ..................................................................................................32
Replacing the Lamp ...........................................................................................36
Compatibility Modes ...........................................................................................37
RS232 Commands .............................................................................................38
Ceiling Mount Installation ...................................................................................39
Optoma Global Offi ces .......................................................................................40

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English
Usage Notice
Precautions
Follow all warnings, precautions and maintenance as recom-
mended in this user’s guide to maximize the life of your unit.
Warning- Do not look into the projector’s lens when the lamp is
on. The bright light may hurt your eyes.
Warning- To reduce the risk of fi re or electric shock, do not expose
this product to rain or moisture.
Warning- Please do not open or disassemble the product as this
may cause electric shock.
Warning- When changing the lamp, please allow unit to cool
down, and follow all changing instructions.
Warning- This product will detect the life of the lamp itself.
Please be sure to change the lamp when it shows warn-
ing messages.
Warning- Reset the “Reset Lamp Hours” function from the On
Screen Display “Lamp Setting” menu after replacing the
lamp module (refer to page 30).
Warning- When switching the projector off, please ensure the
projector completes its cooling cycle before disconnect-
ing power.
Warning- Turn on the projector fi rst and then 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 hap-
pens, 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”. (see
page 36)

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3
Usage Notice
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.
Don’t:
 Block the slots and openings on the unit provided for ventila-
tion.
 Use abrasive cleaners, waxes or solvents to clean the unit.
 Use under the following conditions:
- In extremely hot, cold or humid environments.
- In areas susceptible to excessive dust and dirt.
- Near any appliance that generates a strong magnetic fi eld.
- In direct sunlight.

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Introduction
Product Features
Congratulations and Thank You for choosing Optoma projec-
tor. This product is a XGA single chip 0.55” DLP® projector.
Outstanding features include:
 True XGA, 1024 x 768 addressable pixels
 Texas Instruments Single chip DLP® Technology
 NTSC/NTSC4.43/PAL/PAL-M/PAL-N/SECAM and
HDTV compatible (480i/p, 576i/p, 720p, 1080i)
 Multi-Auto functions: Auto detection, Automatic saving
of user adjustments
 Full function IR remote control with laser pointer
 User friendly multilingual on screen menu
 Advanced digital keystone correction and high quality
full screen image re-scaling
 User friendly control panel
 One built-in speaker with 2 Watt amplifi er
 SXGA+, SXGA compression and SVGA, VGA re-sizing
 Mac compatible
 DVI support (HDCP compliant)

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5
Introduction
Power Cord 1.8m VGA Cable 1.8m
Wireless Remote
Controller
Composite Video Cable
1.8m
Projector with lens cap
Package Overview
This projector comes with all the items shown below. Check to
make sure your unit is complete. Contact your dealer immedi-
ately if anything is missing.
Documents :

User’s Guide

Quick Start Card

Warranty Card

Quick Troubleshooting Guide
 Due to the differ-
ence in applications
for each country,
some regions may
have different ac-
cessories.
2 x AA Batteries
RS232 Cable 1.8m
Carry Bag

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English
Introduction
1. Control Panel
2. Zoom Lever
3. Power Socket
4. Focus Ring
5. Elevator Foot
6. Elevator Button
7. IR Receiver
8. Tilt Adjusting Feet
9. Connection Ports
Main Unit
Product Overview
1 2
9
8
2
1
8
7
3
4
6 5

English
7
Introduction
Control Panel
1. Power/Standby LED
2. Temp Indicator LED
3. Lamp Indicator LED
4. Enter
5. Menu (On/Off)
6. Source Select
7. Keystone +/-
8. Re-Sync
9. Four Directional Select Keys
10. Power/Standby
10
9
2
85
1
3
7
6
4
7

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English
Introduction
Connection Ports
1. DVI-D Input Connector (PC Digital/HDTV/HDCP Input)
2. VGA1-In SCARTConnector (PC Analog signal/SCART
RGB/HD/Component Video Input)
3. Audio Input Connector
4. S-Video Input Connector
5. Composite Video Input Connector
6. Monitor Loop-through Output Connector
7. RS232 Connector
8. VGA2-In Connector (PC Analog signal/HD/Component
Video Input)
9. Audio Output Connector
10. KensingtonTM Lock Port
764
10
2 53
9
81
8

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9
Introduction
Remote Control with Mouse Function and
Laser Pointer
1. Freeze
2. Volume +/-
3. Power
4. Re-Sync
5. Display Mode
6. Keystone +/-
7. Four Directional Select
Keys & Number But-
tons (0~3)
8. Laser Button
9. AV Mute
10. Wide Mode
11. Zoom In/Zoom Out
12. Enter
13. Menu
14. VGA1 Source
15. VGA2 Source
16. Number Buttons (4~9)
17. Source Lock
18. DVI Source
19. Clear
20. S-Video Source
21. Composite Video
Source
3
5
4
1913
10
9
8
7
11 6
1 2
12
15
14
21
20
17 18
16

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Installation
Connecting the Projector
 Due to the differ-
ence in applications
for each country,
some regions may
have different acces-
sories.
1. .............................................................................................................Power Cord
2. ............................................................................................................ RS232 Cable
3. .................................................................................................Audio Input Cable
4. ............................................................................................... VGA to VGA Cable
5. ...................................................................................................DVI to DVI Cable
6. ..............................................................................................Audio Output Cable
Connect the Computer/Notebook
1
3 2
6
5 4
VGA
Audio Output (For Active Speakers)
RS232

English
11
Installation
Connect the Video
 Due to the differ-
ence in applications
for each country,
some regions may
have different acces-
sories. 1. .............................................................................................................Power Cord
2. ........................................................................................ Composite Video Cable
3. .........................................................................................................S-Video Cable
4. ...........................................................................SCART VGA/S-Video Adapter
5. .................................................................................................Audio Input Cable
6. ......................................................................RCA Component Cable for YPbPr
7. ............................................................................................... VGA to VGA Cable
8. ....................................................VGA to 3 RCA Component/HDTV Adapter
9. ..............................................................................................Audio Output Cable
1
2
3S-Video Output
Video Output
DVD Player, Set-top Box,
HDTV receiver
5
7
Audio Output
(For Active Speakers)
6
8
9
4
3

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English
Installation
Powering On the Projector
1. Remove the lens cap. 
2. Ensure that the power cord and signal cable are securely
connected. The Power LED will turn red.
3. Turn on the lamp by pressing “Power/Standby” button on
the control panel. And the Power LED will turn green.
4. Turn on your source (computer, notebook, video player,
etc.). The projector will detect your source automatically
within “Management” menu; check that “Source Lock” has
been set to “Off”.
 If the screen displays “No Signal”, please make sure the
signal cables are securely connected.
 You can calling out test image method is under “AV Mute”
button, then press key to select pattern for view and
settle 4 sides, area and focus.
 If you connect multiple sources at the same time, use the
“Source” button on the control panel or direct source key on
remote control to switch.
Powering On/Off the Projector
 Turn on the projec-
tor fi rst and then
the signal sources.
Lens Cap
21
Power/Standby
Text Pattern

English
13
Installation
Warning Indicator
 When the “TEMP” indicator turns red, it indicates the pro-
jector has overheated. The projector will automatically shut
itself down.
 When the “LAMP” indicator turns red, it indicates a prob-
lem with the lamp. Turn off the projector and disconnect the
power cord from the electrical outlet, then contact your local
dealer or our service center. See page 40.
 When the “LAMP” indicator fl ashes red, it indicates the
fan has failed. Stop using the projector and disconnect the
power cord from the electrical outlet, then contact your local
dealer or our service center. See page 40.
Powering Off the Projector
1. Press the “Power/Standby” button to turn off the projector
lamp; you will see a message
displayed on the projector’s screen. Press the “Power/Stand-
by” button again to confi rm, otherwise the message will
disappear after 5 seconds.
2. The cooling fans continue to operate for about 30 seconds for
cooling cycle and the Power LED will fl ash red. When the
Power LED stops fl ashing, the projector has entered standby
mode.
Once in standby mode, simply press “Power/Standby” but-
ton to restart the projector.
3. Disconnect the power cord from the electrical outlet and the
projector.
4. Do not turn on the projector immediately following a power
off procedure.

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English
Installation
Adjusting the Projected Image
Adjusting the Projector Image Height
Elevator Foot
Elevator Button
The projector is equipped with elevator foot for adjusting the
image height.
To raise the image:
1. Press the elevator button .
2. Raise the image to the desired height angle , then release
the button to lock the elevator foot into position.
3. Use screw in feet  to fi ne-tune the display angle.
To lower the image:
1. Press the elevator button.
2. Lower the image, then release the button to lock the eleva-
tor foot into position.
3. Use screw in feet  to fi ne-tune the display angle.
1
Tilt Adjusting Feet
23

English
15
Installation
69.3"
(176.1cm)
115.6"
(293.5cm)
184.9"
(469.6cm)
231.1"
(587.0cm)
277.3"
(704.4cm)
30.5"
(77.5cm)
76.2"
(193.6cm)
127.1"
(322.7cm)
203.3"
(516.3cm)
254.1"
(645.4cm)
304.9"
(774.5cm)
3.9'(1.2m)
39.4'(12.0m)
32.8'(10.0m)
26.2'(8.0m)
16.4'(5.0m)
9.8'(3.0m)
27.7"
(70.4cm)
Width
Height
Diagonal
Hd
Focus Ring
Zoom Lever
Adjusting the Projector Zoom / Focus
You may turn the zoom lever to zoom in or out. To focus
the image, rotate the focus ring until the image is clear. The
projector will focus at distances from 3.9 to 39.4 feet (1.2 to
12.0 meters).
Adjusting Projection Image Size
This graph is for user’s reference only.
Scree
n
(Diagonal)
Max.
30.5
”(77.5cm)
76.2
”(193.6cm)
127.1
”(322.7cm)
203.3
”(516.3cm)
254.1
”(645.4cm)
304.9
”(774.5cm)
Min.
27.7
”(70.4cm)
69.3
”(176.1cm)
115.6
”(293.5cm)
184.9
”(469.6cm)
231.1
”(587.0cm)
277.3
”(704.4cm)
Screen
Size
Max.
(WxH)
24.4
”x 18.3”
62.0 x 46.5cm
61.0
” x 45.7”
154.9 x 116.2cm
101.7
” x 76.3”
258.2 x 193.6cm
162.6
” x 122”
413.0 x 309.8cm
203.3
” x 152.5”
516.3 x 387.2cm
243.9
” x 182.9”
619.6 x 464.7cm
Min.
(WxH)
22.2
” x 16.6”
56.3 x 42.2cm
55.4
” x 41.6”
140.9 x 105.7cm
92.5
” x 69.4”
234.8 x 176.1cm
147.9
” x 110.9”
375.7 x 281.8cm
184.9
” x 138.7”
469.6 x 352.2cm
221.8
” x 166.4”
563.5 x 422.6cm
Hd
Max.
2.75
” (7.0cm)
6.86
” (17.4cm)
11.44
” (29.0cm)
18.3
0
” (46.5cm)
22.87
” (58.1cm)
27.44
” (69.7cm)
Min.
2.49
” (6.3cm)
6.24
” (15.9cm)
10.40
” (26.4cm)
16.64
” (42.3cm)
20.80
” (52.8cm)
24.96
” (63.4cm)
Distance
3.9’ (1.2m) 9.8’ (3.0m) 16.4’ (5.0m) 26.2’ (8.0m) 32.8’ (10.0m) 39.4’ (12.0m)

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User Controls
Control Panel & Remote Control
There are two ways for you to control the functions: Remote
Control and Control Panel.
Using the
Control Panel
Power/Stand-
by
Refer to the “Power On/Off the Projector” section
on pages 12-13.
Source
Press “Source” to select an input signal.
Menu
Turns the menu
On o
r
Off.
Four Direc-
tional Select
Keys
Use to navigate through the menus.
Enter
Confi rm your item selection.
Keystone
Adjusts image distortion caused by tilting the
projector (±16 degrees).
Re-Sync
Automatically synchronizes the projector to the
input source.

English
17
User Controls
Using the Remote
Control
Power
Refer to the “Power On/Off the Projector” section
on pages 12-13.
Re-
Sync
Automatically synchronizes the projector to the
input source.
Keystone
Adjusts image distortion caused by tilting the
projector (±16 degrees).
Las
er But-
ton
Aim the remote at the viewing screen, press and
hold this button to activate the laser pointer.
AV Mute
Momentarily turns off the audio and video.
Press
this button again to unlock.
Volume +/-
Increases/decreases speaker volume.
Freeze
Press “Freeze” to pause the screen image. Press
this button again to unlock.
Display Mode
Select the display mode from PC, Photo, Movie,
sRGB and User.
Wide
Fix to 16:9 screen.
Zoom In
Zoom in to magnify the image.
Zoom
Out
Zoom out to reduce the image.
Four Direc-
tional Select
Keys
Use to navigate through the menus.
Menu
Dis
play or
exits the on-screen
display menus for
projector.
Clear
C
le
ar your
selection
.
Enter
Confi rm your item selection.
Source Lock
Select
auto
detection all connector ports or lock
current connector port. (See page
2
7
for more)
Video
Choose composite video source.
S-Video
Choose S-Video source.
VGA1
Choose primary VGA-In or SCART source.
VGA2
Choose secondary VGA-In source.
DVI
Choose DVI-D source.

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English
User Controls
The Projector has multilingual On Screen Display menus that
allow you to make image adjustments and change a variety of
settings. The projector will automatically detect the source.
How to Operate
1. To open the OSD menu, press “Menu” on the Remote Control or
Control Panel.
2. When OSD is displayed, use keys to select any item in the
main menu. While making a selection on a particular page, press
key to enter sub menu.
3. Use keys to select the desired item and adjust the settings
by key.
4. Select the next item to be adjusted in the sub menu and adjust as
described above.
5. Press “Menu” to confi rm, and the screen will return to the main
menu.
6. To exit, press “Menu” again. The OSD menu will close and the
projector will automatically save the new settings.
On Screen Display Menus
Main Menu
Sub Menu Setting