InFocus Projector Learn Big In3104ep Technical Information Manual

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Setup menu
Language: allows you to select a language for the onscreen display.
Key Click: turns the key click sound on or off. When this setting is on, 
pressing keys on the keypad causes the projector’s speaker to play a “click” 
sound.
Custom Key: allows you to assign a different function to the Custom 
button, allowing you to quickly and easily use the effect. Highlight an effect 
and press Select to choose a different one.
•Source Info: the default action. Shows the Source Info menu.
•Projector...

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Rear Project: reverses the image so you can project from behind a 
translucent screen.
Auto Keystone: automatically adjusts vertical image.
Prevent PC Screen Saver: prevents your computer from going into Screen 
Save mode. The projector must be connected to the PC via a USB cable for 
this feature to work.
Startup Screen: allows you to display a blank screen instead of the default 
screen at startup, and when no source is detected.
Take Snapshot...: Captures the current image and allows it to be used...

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Status and Service menu
Source Info: a read-only display of current source settings.
Projector Info: a read-only display of current projector settings.
Reset Lamp Hours: resets the lamp hours used counter in the Projector Info 
menu to zero. Do this only after changing the lamp.
Factory Reset: restores all settings to their default.
Service Code: only used by authorized service personnel.
Status and Service menu 

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Maintenance
Cleaning the lens
1Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
• Avoid using an excessive amount of cleaner, and don’t apply the 
cleaner directly to the lens. Abrasive cleaners, solvents or other harsh 
chemicals might scratch the lens.
2Lightly wipe the cleaning cloth over the lens in a circular motion.
Using the security lock
The projector has a security lock for use with a PC Guardian Cable Lock 
System. Refer to the information that came with the lock for...

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Replacing the projection lamp
The lamp hours used timer in the Projector Info menu counts the number of 
hours the lamp has been in use. Twenty hours before the lamp life expires, 
the message “Change lamp” appears on the screen at startup.
•NOTE: You can order new lamps from www.infocus.com (in select 
areas), your retailer or your dealer. Only genuine InFocus lamps are 
tested for use in this projector. InFocus is not liable for the 
performance, safety or certification of any other lamps. The use...

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• Be extremely careful when removing the lamp housing. In the unlikely 
event that the lamp ruptures, small glass fragments may be generated. 
The lamp module is designed to contain most of these fragments, but 
use caution when removing it. Before replacing a ruptured lamp, clean 
the lamp compartment and dispose of cleaning materials. Wash hands 
after lamp replacement. If replacing the lamp while the projector is 
ceiling-mounted, wear protective eyewear.
Hg – Lamp contains mercury. Manage in...

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INDEX
Numerics
12 volt outputs 4
16x9 vs 4x3 12
A
Advanced menu 29
Aspect Ratio 12, 28, 30
Audio In connector 9, 13, 23
audio input 12
B
Blank Screen 31
Brightness 28
BrilliantColor 29
C
cable box 12
cleaning the lens 33
Color 28
Color Space 29
Color Temperature 29
Computer In connector 9
connecting
computer 9
computer monitor 9
external speakers 23
video device 12
connector panel 4
connectors on projector 7, 8
contacting InFocus 21
Contrast 28
Custom key 25, 30
customer service contact information...

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presentation features 25
projection distance 5
projector
connecting computers 9
connecting video devices 12
connector panel 4
customization 26
image size 5
keypad buttons 24
language 30
maintenance 33
menus 27
offset 5
positioning 5
registering 3
reset 32
safety considerations 2
security lock 33
setting up 5
shutting down 14
Status Indicator Panel 14
troubleshooting problems 14
R
Rear 30
registering your projector 3
remote control 22
resetting the projector 32
RS-232 4
S
Screen Aspect 12
Screen Save...