Optoma Ep7155 Projector User Manual

							 
Table of Contents 
 1
Table of Contents 
Table of Contents ........................................................................\
......................................... 1  
Usage Notice ........................................................................\
................................................. 3  
Introduction ........................................................................\
.................................................. 6  
Packing Checklist........................................................................\
.............................................................................. 6 
Views of Projector ........................................................................\
............................................................................. 7 
Remote Control........................................................................\
....................................................... ......................... 11 
Remote Control Operating Range........................................................................\
................................................... 13 
Projector and Remote Control Buttons ........................................................................\
............................................ 13 
Inserting the Remote Control Batteries ........................................................................\
........................................... 14 
Setup and Operation ........................................................................\
.................................. 15  
Connecting Input Devices........................................................................\
....................................................... ......... 15 
Starting and Shutting down the Projector........................................................................\
....................................... 16 
Setting an Access Password (Security Lock) ........................................................................\
................................... 17 
Adjusting the Projector Level........................................................................\
....................................................... ... 20 
Adjusting the Zoom, Focus and Keystone........................................................................\
........................................ 21 
Adjusting the Volume........................................................................\
....................................................... ................ 21 
OSD Menu Controls........................................................................\
....................................................... ................. 22 
Setting the OSD Language........................................................................\
....................................................... ........ 23 
Menu Setting ........................................................................\
............................................... 25  
OSD Menu Overview........................................................................\
....................................................... ................ 25 
OSD Sub-Menu Overview........................................................................\
....................................................... ......... 26 
Display Menu........................................................................\
....................................................... ............................ 31 
Setup Menu........................................................................\
....................................................... ............................... 34 
Options Menu........................................................................\
................................................................................... 38 
Appendices ........................................................................\
................................................. 41  
Replacing the Projection Lamp........................................................................\
....................................................... 41 
Resetting the Lamp........................................................................\
....................................................... ................... 44 
Cleaning the Projector........................................................................\
....................................................... ............. 45 
Using the Kensington® Lock........................................................................\
....................................................... .... 45 
Common problems and solutions........................................................................\
..................................................... 46 
Tips for Troubleshooting........................................................................\
....................................................... .......... 46 
LED Error Messages........................................................................\
....................................................... ................ 47  
						

							 
Table of Contents 
 2
Image Problems ........................................................................\
....................................................... ........................ 48 
Lamp Problems........................................................................\
....................................................... ......................... 48 
Remote Control Problems........................................................................\
....................................................... ......... 49 
Audio Problems........................................................................\
....................................................... ........................ 49 
Having the Projector Serviced........................................................................\
....................................................... .. 50 
Specifications ........................................................................\
............................................. 52  
Projection Distance V.S. Projection Size........................................................................\
......................................... 52 
Timing Mode Table........................................................................\
....................................................... ................... 53 
Projector Dimensions........................................................................\
....................................................... ............... 57 
Regulatory Compliance ........................................................................\
............................. 58  
FCC Warning........................................................................\
....................................................... ............................ 58 
Canada........................................................................\
....................................................... ...................................... 58 
Safety Certifications........................................................................\
....................................................... .................. 58 
EN 55022 Warning........................................................................\
....................................................... ................... 58 
RoHS Compliant........................................................................\
....................................................... ....................... 58 
  
						

							 
Usage Notice 
 3
Usage Notice 
Congratulations and thank you for choosing an Optoma DLP projector. 
Important: 
It is strongly recommended that you read this secti on carefully before using the projector. These 
safety and usage instructions will ens ure that you enjoy 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  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 t hat may damage the unit, create a hazardous environment, or cause per-
sonal 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.” 
Remote Control 
Some remote controls have a laser for pointing out items on a screen.  
DANGER: Do not point the laser in the eyes. Doing so can damage the eyes permanently. 
General Safety Information 

						

							 
Usage Notice 
 4
Power Safety 

						

							 
Usage Notice 
 5
Main Features 
•  Lightweight unit, easy to pack away and transport 
•  Com
patible with all major video standards including NTSC, PAL, and SECAM 
• A
 high brightness rating allows for presentations in daylight or in lit rooms 
• Support
 s resolutions up to UXGA (for XGA model)/WXGA+ (for WXGA model) at 16.7 mil-
lion colors to deliver crisp, clear images  
•  Flexible setup allows for front and rear projections 
•  Line-of-vision projections rem
 ain square, with advanced keystone correction for angled 
projections 
•  Input source autom
 atically detected 
About this manual 
This manual is intended for end users and describes  how to install and operate the DLP projector. Wher-
ever possible, relevant information—such as an illustration and its description—has been kept on one 
page. This printer-friendly format is both for your co nvenience and to help save paper, thereby protecting 
the environment. It is suggested that you only prin t sections that are relevant to your needs. 
  
						

							 
Introduction 
 6
Introduction 
Packing Checklist 
Carefully unpack the projector and check  that the following items are included: 
 
 
 
 
DLP PROJECTOR  (
WITH TWO AAA BATTERIES) 
 
REMOTE CONTROL  
   
P
OWER CORD  (USB TYPE A TO B USB)  (RCA X 1 TO RCA X 1) 
 
USB CABLE  VIDEO CABLE  
 
 
C  
(VGA 
TO VGA)  C
ARRYING CASE 
 
 
Contact your dealer immediately if  any items are missing, appear damaged,  or if the unit does not work. 
OMPUTER CABLE
Caution: 
Avoid using the projector in dusty environments.  
						

							 
Introduction 
 7
Vie
Front-right View
 
ws of Projector 
 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Ventilation opening  To keep the projector lamp cool 
2.  Height-adjuster button  justor 
Push to release height ad
3.  Height-adjuster 
20 
Adjusts level of projector 
4.  Lens cap  Attach to protect lens when not in use 
5.  IR receiver  ontrol 11 Receiver for IR signal from remote c
6.  Lens Adjust focus/zoom on top opening 
7.  Focus  Focuses the projected image 
8.  Zoom  Enlarges the projected image 21 
9.  See “Top view—OSD buttons and LEDs”  8 
Important: 
Ventilation openings on the projector allow for good air circulation, wh ich keeps the projector lamp 
cool. Do not obstruct any of the ventilation openings.  
						

							 
Introduction 
 8
Top view—On-screen Display (OSD) buttons and LEDs 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Power   Turns the projector On or Off 
16 
2.  ◄/Source 
(Left arrow)  Select the input device  
Navigates and changes settings in the OSD 
Green 
Unit is powered on and working correctly 
Flashing 
Green  Unit is on stand-by/cooling down 
3.  Power LED 
Off Unit is powered off 
On Lamp not ready—do not press the power button 4.  Lamp LED 
Off Lamp is in normal state 
On System over temperature 5.  Temp LED 
Off Normal  state 
6.  AV-Mute Display blank and audio mute 
7.  Enter Enter key for the OSD menu 
8.  ▲/Keystone+ 
(Up arrow)  Corrects image-trapezoid (wider bottom) effect  
Navigates and changes settings in the OSD 21 
9.  ►
/Re-Sync 
(Right arrow)  Re-Sync VGA source, adjusts phase, tracking, size, position 
Navigates and changes settings in the OSD 
10.  ▼
/Keystone - 
(Down arrow)  Corrects image-trapezoid (wider top) effect  
Navigates and changes settings in the OSD 21 
11.  Menu 
To switch OSD menu On or Off  
						

							 
Introduction 
 9
Rear view 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  AC IN (Power)  Connect the supplied power cord 16 
2.   (USB) Connect the USB cable from a computer 
3.  AUDIO   Connect the audio cable  from an audio input device. 
4.  S-VIDEO Connect the composite or S-video cable from a video de-
vice 
5.  VIDEO  Connect a composite video cable from a video device. 
6.  VGA/SCART  Connect a VGA cable from a computer 
7.  Ventilation  
opening Do not obstruct to keep the projector cool. 
8.  DIGITAL VIDEO 
Connect a DIGITAL VI DEO cable from any video source 
 
9.   (Security Lock) Secure to permanent object with a Kensington® Lock  
system 45 
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.  
						

							 
Introduction 
 10
Bottom view 
 
ITEM LABEL DESCRIPTION SEE PAGE: 
1.  Projection lamp cover 
screws  Remove when changing the lamp 41 
2.  Height adjuster button Push to release height adjuster 
3.  Height adjuster 
Adjuster drops down when adjuster button is 
pushed 20 
4.  Strap mount  Fasten the lens cap cover 
5.  Tilt adjuster  Rotate adjuster lever to adjust angle position 20