InFocus Projector In3902 User Manual

20
ProblemSolutionResult
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 iconsDisplayLink - Use DisplayLink software to change...

21
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
Problem Solution Result
AA
For a laptop, 
disable laptop 
monitor or turn-
on dual-display 
mode
A
A
Adjust horizontal or 
vertical position in 
Advanced Picture 
menu 

22
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 menuCorrect image
Problem Solution Result 

23
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 menuCorrect image
Problem Solution Result
A
A
COLORCOLOR 

24
The video embedded in my PowerPoint presentation 
does not play on the screenIf your computer is using the projectors DisplayLink 
connector, see the DisplayLink Users Guide for video 
troubleshooting information.
Turn off the internal LCD display on your laptop
Embedded video plays correctly
Lamp won’t turn on, Temperature light is onMake sure vents aren’t blocked, turn off the projector 
and allow it to cool for one minuteLamp turns on
Problem Solution Result
A
AB
A
AB
B
A
Temperature light
Startup...

25
Still need assistance?
If you need assistance, visit our website at www.infocus.com/service or call us. 
Check out our HOW TO section there for additional information on using 
this projector for home theater or gaming applications. See the Quick Start 
Poster/Booklet for support contact information.
This product is backed by a limited warranty. An extended warranty plan 
may be purchased from your dealer. When sending the projector in for 
repair, we recommend shipping the unit in its original...

26
Using the remote control
The remote uses two (2) provided AA batteries. They are easily installed by 
removing the cover from the remote’s back, aligning the + and - ends of the 
batteries, sliding them into place, and then replacing the cover.
Caution: 
• When replacing the batteries, be aware that using batteries other than 
the type provided with the projector may risk severe damage to the 
remote. 
• When disposing of the batteries, be sure to do so in an enviromentally 
proper manner.
• If the...

27
Using the audio
Using the projector’s speakers
When the computer is using the DisplayLink or HDMI connector, both 
audio and video are sent over the cable to the projector and audio will play 
from the projectors speakers.
For inputs other than DisplayLink and HDMI, to use the projectors 
speakers, connect the audio source to the Audio In Computer or Video 
connectors.
To adjust the volume, press the Volume buttons on the keypad or remote.
Troubleshooting Audio
If you aren’t hearing the audio, check...

28
Using the keypad buttons
Most buttons are described in detail in other sections, but here is an 
overview of their functions:
Power–turns the projector on and off (on on page 9).
Auto Image–resets the projector to the source.
Presets–cycles through the available preset settings (on page 32).
Keystone–adjusts squareness of the image (on page 10).
Menu–opens the on-screen menus (on page 31).
Select–confirms choices made in the menus (on page 31).
Up/Down arrows–navigates to and adjusts settings in the...

29
Optimizing computer images
After the projector is running and the image is on the screen, you can 
optimize the image using the onscreen menus. For general information on 
using the menus (on page 31).
• Adjust the Keystone, Contrast, or Brightness in the Basic Picture menu 
(
on page 32).
• Change the Aspect Ratio. Choose the option that best fits your input 
source (
on page 32).
• Adjust the Color Temperature in the Advanced Picture menu (on 
page 33).
• Adjust the Phase, Tracking, or Horizontal or...