InFocus Projector IN3900 User Manual

10
What is Aspect Ratio?
Aspect ratio is the ratio of the image wi
dth to image height. Standard TV screens 
and older laptops are 4:3; HDTV and  most DVDs are 16:9; and widescreen 
computers are 16:10. If you are projecting  onto a screen, the size/shape of the 
screen will influence the aspect ratio you  decide to use. If you are projecting onto a 
blank wall, there are no screen size restrict ions. What you plan to project will also 
help you choose between 4:3, 16:9 or 16: 10. Many TV shows are 4:3,...

11
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...

12
LiteBoard™ Wan d
The LiteBoard Wand works like a wireless mouse - but one that works in midair, not 
on your desktop. Just hold the wand in your  hand, and point it at the projected 
image to point, click and drag. The wand work s with all your software, just like a 
regular mouse.
Charging the Wand’s Battery
When the wand’s amber battery light starts to blink, its internal battery is low (if the 
battery is fully discharged,  you won’t be able to turn th e wand on by pressing its tip, 
left or right...

13
How to Hold the Wand
You can hold the wand the way you would hold a normal pencil or pen, or you can 
hold it like a remote control - use in wh
ichever position is most comfortable. 
NOTE: If the wand is up close to the screen, you can press its tip against the 
projection surface to click and drag. Not  recommended for use with fabric screens.
Using More than One Wand
The projector can work with more than one wand, but you can  only use one wand at 
a time. When you want to switch to a different...

14
Link Light
The blue link light shows the status of the wands wireless connection to the 
projector. The link light will blink frequently (more than once per second) when the 
wand is attempting to link to the projector; then it will blink less frequently (about 
once every 4 seconds) after the wand has linked to the projector. 
NOTE: The link light will stay off when the wand is off.
USB Connector
The wands USB connector is behind a flap on the back of the wand. The USB 
connector is only used for...

15
Troubleshooting LiteBoard
For the most up-to-date information, visit our support site at www.infocus.com/
support
• If the wand doesnt work at all, or it works intermittently, try one of these 
solutions:
- Press to Move may be enabled; try holding down one of the wand’s buttons 
while moving the wand.
- Press the tip, left or right button on the wand to turn it on.
- If the wands blue Link light never blinks, then the wands battery is fully dis-
charged; connect the wand to the USB power adapter or...

16
Shutting down the projector
Screen Save Time
You can make the black screen appear after a preset number of minutes by turning 
on the Screen Save Time feat ure in the Setup menu. See page 33.
Auto Off Time
The projector also has an Auto Off Time  feature that automatically turns the 
projector off after no active sources are de tected and no user interaction with the 
projector is performed for 30 minutes. By default, this feature is off. You can 
change the length of time, see  page 33.
Turning off...

Problem SolutionResult
No start up screen
USB
Plug power cord into the projector
press power button
St a r t u p
Sc reen
Correct image
A
St a r t u p
Sc reen
Only start up screen appears
Restart laptop
Press the Source button 
activate laptop’s external port
A
A
Computer image projected
17 

18
ProblemSolution Result
No computer image, just the words “Signal out of 
ran
 ge” 
Signal out of
 the range
A
Press the Auto Image button on keypad 
Adjust computer refresh rate in Control Panel > 
Display > 
 Settings > Advan ced > 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
A
A
Only my laptop’s background appears, not the 
Desktop icons
A
A...

19
Image fuzzy or cropped 
AA
For a laptop, 
disable laptop 
monitor or turn-
on dual-display 
mode
Set your computer’s display resolution to the native 
resolution of the projector (Start > Settings > Control 
Pane
l > Display > Settings tab) 
A
Image clear and not cropped
Image not centered on screen
Advanced Picture
Red Gain
Green Gain
Blue Gain
Red Offset
Green Offset
Blue Offset
Horz Position
Vert Position 50
50
50
50
50
50
50
50
i
Adjust horizontal 
or vertical position 
in Advanced 
Picture menu...