InFocus Projector Work Big In3104 User Manual

10
Displaying an image
Touch the Power button.
The Power button blinks green and the fans start to run. When the lamp 
comes on, the start up screen displays and the Power button is steady green. 
It can take a minute for the image to achieve full brightness.
? No start up screen? Get help on page 15.
Turn on your computer or video device.
The image should appear on the projection screen. If it doesn’t, press the 
Source button on the projector’s keypad or remote.
If you are using a VESA cable to connect...

11
Adjusting the image
If necessary, adjust the height of the projector by pressing the elevator foot 
release button to extend the foot.
If necessary, rotate the leveling foot located at the rear of the projector.
Avoid placing your hands near the hot exhaust vent at the side of the 
projector.
Position the projector the desired distance from the screen at a 90 degree 
angle to the screen.
See page 5 for a table listing screen sizes and distances.
Adjust the zoom or focus.
If the image is not square,...

12
Connecting a video device
You can connect video devices such as VCRs, DVD players, camcorders, 
digital cameras, video game consoles, HDTV receivers, and TV tuners to the 
projector. You can connect the audio directly to the projector to get sound 
from the built-in speaker, or you can bypass the projector’s audio system 
and connect the audio directly from your source to a stereo or home theater 
system.
You can connect the projector to most video devices that can output video. 
You cannot directly...

13
Video device connections
No video cables are provided with the projector. You can order cables from 
InFocus or provide your own.
Composite video connection
Plug the composite video cable’s yellow connector into the video-out 
connector on the video device. Plug the other yellow connector into the 
yellow Video 3 connector on the projector.
Plug the white connector of a Mini-plug audio Y-cable into the left audio 
out connector on the video device and plug the red connector into the right 
audio out...

14
Shutting down the projector
The projector automatically displays a black screen after no active source is 
detected for 30 minutes. This black screen helps preserve the life of the 
projector. The image returns when an active source is detected or a remote 
or keypad button is pressed.
Screen Save Time
You can make the black screen appear after a preset number of minutes by 
turning on the Screen Save Time feature in the Setup menu. See 
page 30.
Auto Off Time
The projector also has an Auto Off Time...

15
Problem SolutionResult
No start up screenPlug power cord into the projector
press power button
Correct image
Only start up screen appearsIf your computer is using the projectors 
DisplayLink connector, see the DisplayLink 
Users Guide for troubleshooting information.
Press the Source button activate laptop’s external port
Computer image projected
AStartup
Screen
Startup
Screen
A
Restart laptop
A
A 

16
No computer image, just the words “Signal 
out of range” Press the Auto Image button on keypad adjust 
computer refresh rate in Control Panel > Display > 
Settings > Advanced > Adapter (location varies by 
operating system)
You may also need to set a different resolution on your 
computer, as shown in the following problem, “image 
fuzzy or cropped”
Computer image projected
Only my laptop’s background appears, not the 
Desktop iconsIf your computer is using the DisplayLink connector, 
use DisplayLink...

17
Problem SolutionResult
Image fuzzy or cropped 
Set your computer’s display resolution to the 
native resolution of the projector (Start > 
Settings > Control Panel > Display > Settings 
tab) Image clear and not cropped
Image not centered on screenMove projector, adjust zoom, adjust heightCorrect image
AA
For a laptop, 
disable laptop 
monitor or 
turn-on dual-
display mode
A
A
Adjust horizontal 
or vertical position 
in Advanced 
Picture menu 

18
Problem SolutionResult
Image not squareAdjust Keystone on keypadSquare image
Image not sharpAdjust Sharpness in the Basic Picture menuCorrect image
Image does not fit 4:3 or 16:9 screenChange aspect ratio to 4:3 or 16:9 in Basic 
Picture>Aspect ratio menu
Correct image 

19
Problem SolutionResult
Image upside downTurn off Ceiling Mount in Setup menuCorrect image
Image reversed left to rightTurn off Rear Project in Setup menuCorrect image 
Projected colors don’t match sourceAdjust color, tint, brightness, contrast in the 
Basic Picture menu
Correct image
A
A
COLORCOLOR