Optoma Ep749 Projector User Manual

English
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
116
12
12
15
14
21
20
1718...

10

English

Installation

 Connecting the Projector
 Due to the differ-ence in applications for each country, some regions may have different acces-sories.
1. .............................................................................................................Power Cord2. ............................................................................................................RS232 Cable3. .................................................................................................Audio...

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 Cord2. ........................................................................................Composite Video Cable3. .........................................................................................................S-Video Cable 4....

12

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...

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...

14

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,...

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
HeightDiagonal
Hd

Focus Ring
Zoom Lever
Adjusting the Projector Zoom / Focus
You  may  turn  the  zoom  lever  to  zoom  in  or  out.    To  focus...

16

English

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.
MenuTurns the menu On or Off.
Four Direc-
tional Select 
Keys
Use        to navigate through the menus.
EnterConfi  rm your item selection.
KeystoneAdjusts image distortion caused by tilting the...

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.
KeystoneAdjusts image distortion caused by tilting the 
projector (±16 degrees).
Laser But-
ton 
Aim the remote at the viewing screen, press and 
hold this button to activate the laser pointer.
AV MuteMomentarily turns off the audio and video. Press this button again to unlock.
Volume +/-Increases/decreases...

18

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...