InFocus Projector Learn Big In3104ep Technical Information Manual

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Problem SolutionResult
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 minute 
Lamp turns on
A
AB
A
AB
B
A
Temperature light...

21
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...

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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 
environmentally proper manner.
To operate,...

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Using the audio
Using the projector’s speakers
When the computer is using the DisplayLink connector, both audio and 
video are sent over the USB cable to the projector and audio will play from 
the projectors speakers.
For inputs other than DisplayLink, 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 the following:...

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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 (page 10).
Auto Image–resets the projector to the source.
Presets–cycles through the available preset settings (page 28).
Keystone–adjusts squareness of the image (page 11).
Menu–opens the on-screen menus (page 27).
Select–confirms choices made in the menus (page 27).
Up/Down arrows–navigates to and adjusts settings in the menus (page 27)....

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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, see 
page 27.
• Adjust the Keystone, Contrast, or Brightness in the Basic Picture menu 
(
page 28).
• Change the Aspect Ratio. Choose the option that best fits your input 
source (
page 28).
• Adjust the Color Temperature in the Advanced Picture menu 
(
page 28).
• Adjust the Phase, Tracking, or Horizontal or...

26
Optimizing video images
After your video device is connected properly and the image is on the 
screen, you can optimize the image using the onscreen menus. For general 
information on using the menus, see 
page 27.
• Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Basic 
Picture menu (
page 28).
• Change the Aspect Ratio. Choose the option that best fits your input 
source (
page 28).
• Select a Sharpness setting (page 28).
• Adjust the Color Temperature. Select a listed warmth value...

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Using the menus
To open the menus, press the Menu button on the keypad or remote. (The 
menus automatically close after 60 seconds if no buttons are pressed.) Use 
the arrow buttons to move up and down to highlight the desired menu, 
then press the Select button.
To change a menu setting, highlight it, press Select, then use the up and 
down arrow buttons to adjust the value or select an option or turn the 
feature on or off. Press Select to confirm your changes. Use the arrows to 
navigate to another...

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Basic Picture menu
To adjust the following settings, highlight the setting, press Select, use the 
up and down arrows to adjust the values, then press Select to confirm the 
changes.
Brightness: changes the intensity of the image.
Contrast: controls the degree of difference between the lightest and darkest 
parts of the picture and changes the amount of black and white in the 
image.
Sharpness: (video sources only) changes the clarity of the edges of a video 
image. Select a sharpness setting.
Color:...

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Advanced Picture menu
BrilliantColor™: produces an expanded on-screen color spectrum that 
delivers enhanced color saturation for bright, true-to-life images. Choose 
Normal Look for most video sources and Bright Look for most computer 
sources.
White Peaking: (video sources only) increases the brightness of whites that 
are near 100%.
Color Temperature: changes the intensity of the colors. Select a listed 
relative warmth value.
Force wide: when this is off, the analog locking algorithms choose the...