InFocus Projector IN3900 User Manual

20
Image not squareAdjust Keystone on keypadSquare image
Image not sharp
Maximum
High
Normal
Low
Minimum
Basic Picture
Brightness
Contrast
Sharpness
Color
Tint
Auto Image... 
Aspect Ratio 
Apply Preset... 50
50
Maximum 50
50
16:9
i
Adjust Sharpness in the Basic Picture menuCorrect image
Image does not fit 4:3 or 16:9 screen
Auto
Native
4:3
16:9
16:10
Basic Picture
Brightness
Contrast
Sharpness
Color
Tint
Auto Image... 
Aspect Ratio  
Apply Preset... 50
50
Maximum 50
50
16:9
i
Change aspect ratio to 4:3...

A
21
Image upside down
Setup
Auto Source
Power-Up Source
Composite SCART
Video Standard
Closed Caption
Ceiling Mount
Rear Project
Prevent PC Screen Saver On
VGA1 RGB
Auto Off
Off
OffOn
i
Turn off Ceiling Mount in Setup menuCorrect image
Image reversed left to right
A
Setup
Auto Source
Power-Up Source
Composite SCART
Video Standard
Closed Caption
Ceiling Mount
Rear Project
Prevent PC Screen Saver On
VGA1 RGB
Auto Off
Off
OffOn
i
Turn off Rear Project in Setup menuCorrect image 
COLOR
Projected colors...

22
The video embedded in my PowerPoint 
presentation does not play on the screen
A
AB
B
Turn off the internal LCD display on your laptopEmbedded video plays correctly
A
AB
B
Temperature light
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 
St a r t u p
Sc reen
Lamp turns on
Problem
Solution Result 

23
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 fo r 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 warr anty
 . An extended warranty plan may be 
purchased from your dealer. When sending the projector in for repair, we 
recommend shipping the unit in its or...

24
Using the remote control
The remote uses two (2) AA batteries (not provided). They are easily installed by 
removing the cover from the remote’s back , aligning the + and - ends of the 
batteries, sliding them into plac e, and then replacing the cover.
Caution : 
• When replacing the remote batteries, be  aware that using batteries other 
 than 
AA batteries may risk severe damage to the remote. When disposing of the 
batteries, be sure to do so in  an enviromentally proper manner.
• If the remote...

25
Using the audio
Using the projector’s speakers
Connect the audio source to either the Audio 1 or Audio 2 connectors to hear audio 
through the projector speakers.  
To assign the audio to a particular source, 
 go to the Setup menu and choose the 
Audio Inputs feature. Defaults are as follows: Audio 1 is set to VGA 1 and VGA 2 
with microphone, and Audio 2 is set to Co mposite with audio. See page 30 for 
details.
Amplified speakers may also be connected to the projector 
 using the Audio Out...

26
Playing sound through the projector
This projector is equipped with a 20-watt stereo speaker system, a dedicated 
microphone input, and advanced audio proc
essing for superb audio performance.
External amplified speakers may also be  
 connected using the audio out connector 
on the projector.
This system has assignable  audio. 
 Audio 1, Audio 2 and/or the microphone can be 
assigned in any combination through the A udio Inputs feature described on page 33. 
Note: This system allows the mixing of...

27
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 8).
Auto Image –re
 sets the projector to the source ( page 27).
Presets –
cycles through the avai lable preset settings (page 31).
Keystone –
adjusts squareness of the image ( page 9).
Menu–opens the 
 on-screen menus ( page 30).
Select –co
nfirms choices made in the menus ( page 30).
Up/Down/Left/Right arrows –n
 avigates to and...

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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 30.
• Select default image settings using a preset appropriate to your environment.
• Adjust the Keystone, Contrast, or Brightness in the Basic Picture menu 
(page 31).
• Change the Aspect Ratio. Choose the option that best fits your input source 
(
page 31).
• Adjust the Color Temperature in the Advanced...

29
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 30.
• Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Basic Picture 
menu (page 31).
• Change the Aspect Ratio. Choose the option that best fits your input source 
(
page 31).
• Select a Sharpness setting (page 31).
• Adjust the Color Temperature. Select a listed warmth value...