Optoma Tx774 Projector User Manual

 
Table of Contents 
1 
Table of Contents 
Table of Contents ........................................................................\
..................................................................................1 
Usage Notice........................................................................\
..........................................................................................3 
Introduction........................................................................\...

 
Table of Contents 
2 
LED Error Messages ........................................................................\
....................................................... .................45 
Image Problems........................................................................\
....................................................... .........................46 
Lamp Problems........................................................................\...

 
Usage Notice 
3 
Usage Notice 
Congratulations and thank you for choosing an EP771 projector, an on Optoma product. This product is an 
XGA single chip 0.7 inch DLP ® projector! 
Important: 
It is strongly recommended that you read this sect ion carefully before using the projector. These 
safety and usage instructions will ensure that you enj oy many years of safe use of the projector. 
Keep this manual for future reference. 
Precautions 
Warning symbols are used on the unit and in this ma nual to...

 
Usage Notice 
Power Safety 

 
Usage Notice 
5 
Main Features 
•  Lightweight unit, easy to pack away and transport 
• Compatible with all major video standards including NTSC, PAL, and SECAM 
• A high brightness rating allows for presentations in daylight or in lit rooms 
• Supports resolutions up to SXGA at 16.7 million colors to deliver crisp, clear images  
• Flexible setup allows for front and rear projections 
• Line-of-vision projections remain square, with advanced keystone correction for angled 
projections 
• Input source...

 
Introduction 
Introduction 
Packing Checklist 
Carefully unpack the projector and check  that the following items are included: 
 
 
 
EP771 PROJECTOR REMOTE CONTROL  
(
WITH TWO AAA BATTERIES) 
 
   
POWER CORD USB CABLE 
(USB 
TYPE A TO B USB) 
VIDEO CABLE  
(RCA X 1TO  RCA X 1) 
 
 
 
COMPUTER CABLE  
(DB15
 - DB15) 
CARRYING CASE  
Documents: 
User’s Guide 
Quick Start Card 
Warranty Card 
 
Contact your dealer immediately if any items are mi ssing, appear damaged, or if the unit does not work....

 
Introduction 
Views of Projector 
Front-right View 
1
76
5438
2 3
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Focus Focuses the projected image 24
2.  Lens zoom Enlarges the projected image 24
3.  Screws Holds lamp to projector 
4.  See “Top view—OSD buttons and LEDs”  8
5.  IR receiver Receiver for IR signal from remote control 15
6.  Lens Remove lens cap before use 
7.  Lens cover Slide across to protect lens when not in use 
8.  Height-adjuster but-
ton Push to release height adjuster 23
 
Important:...

 
Introduction 
Top view—On-screen Displa y (OSD) buttons and LEDs 
8
11 10 9 17
4
36
25 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Keystone/ 
Down cursorCorrects image-trapezoid (wider bottom) effect  
Navigates and changes settings in the OSD 24
2.  VOL-/ 
Left cursor Decreases volume 
Navigates and changes settings in the OSD 24
Orange Lamp ready—you can safely turn on or off the projector 3.  Lamp LED 
Flashing Lamp not ready—do not press the power button 
4.  Keystone/  
UP cursor Corrects...

 
Introduction 
9 
ITEM LABEL DESCRIPTION SEE PAGE: 
6.  RE-SYNC Optimizes image size, position, and resolution 19
7.  Menu Opens and exits the OSD 25
8.  Source Detects the input device 
9.  Power Turns the projector on or off 
19
  

 
Introduction 
Rear view 
 
ITEM LABEL DESCRIPTION SEE PAGE:
1.  Rear IR Re-
ceiver Receiver for IR signal from remote control. 
2.  DVI-D Connect the computer cable from a computer. Both 
DVI-I and DVI-D are supported. 
3.  VGA IN Connect a VGA cable (supplied) from a computer 
4.  VGA OUT Connect to a monitor 
5.  S-video Connect the composite or S-video cable (supplied) 
from a video device 
6.  Video Connect a composite video cable (supplied) from a  video device. 
7.  Audio in-R Connect the audio...