InFocus LP840 Projector User Manual

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Using the menusTo open the menus, press the menu button on the keypad or remote. (The 
menus automatically close after 60 seconds if no buttons are pressed.) The 
Main menu appears. Use the arrow buttons to move up and down to high-
light the desired submenu, 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, select an option using radio but-
tons, or turn the feature on or off using check boxes. Press Select to confirm 
your changes. Use the arrows to navigate to another setting. When your 
adjustments are complete, navigate to Previous, then press Select to go to 
the previous menu; press the Menu button at any time to close the menus. 
Dots appear before the menu name. The number of dots indicate the menu’s 
level, ranging from one (the Main menu) to four (the most nested menus). 
The menus are grouped by usage:
 The Picture menu provides image adjustments.
 The Settings menu provides set-up type adjustments that are not 
changed often.
 The About menu provides a read-only display of information about the 
projector and source. 
Certain menu items may be grayed out until a particular source is con-
nected. For example, Sharpness is only available for video sources and will 
be hidden when a computer source is active. Other menu items may be 
grayed out when they are not available. For example, Brightness is grayed 
out until an image is active.
Keypad navigation 
buttons
Main menuMenu
buttonDot
 
 
Picture
Settings
menuDotsmenu
About menu 
						

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Picture menuTo adjust the following six settings, highlight the setting, press Select, use 
the up and down arrows to adjust the values, then press select to confirm 
the changes.
Zoom: allows you to adjust a lens to zoom in and out. Highlight Zoom, 
then press the up or down arrows on the keypad or remote. 
Focus: allows you to adjust the lens focus for an image. Highlight Focus, 
then press the up or down arrows on the keypad or remote.
Lens Shift: allows you to mechanically shift the lens. Highlight Lens Shift, 
then press the up or down arrows on the keypad or remote.
Key s t o n e  Ve r t i c a l: adjusts the image vertically and makes a squarer image 
by using an adjustable scale band. 
Keystone Horizontal: adjusts the image horizontally and makes a squarer 
image by using an adjustable scale band.
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.
Brightness: changes the intensity of the image.
Color: (video sources only) adjusts a video image from black and white to 
fully saturated color.
Tint: adjusts the red-green color balance in the image.
Aspect Ratio: Aspect ratio is the ratio of the image width to image height. 
TV screens are usually 1.33:1, also known as 4:3. HDTV and most DVDs are 
1.78:1, or 16:9. The default is 4:3, which displays the input resized up or 
down to fill the display area.
increasing keystone Keystone Vertical
decreasing keystone
Keystone Horizontal
Aspect Ratio 
						

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Presets: The provided Presets optimize the projector for displaying com-
puter presentations, photographs, film images, and video images. (Film 
input is material originally captured on a film camera, like a movie; video 
input is material originally captured on a video camera, like a TV show or 
sporting event.) You can use the preset as a starting point, then further cus-
tomize the settings for each source. The settings you customize are saved in 
the preset for each source. To restore the factory default settings, choose Fac-
tory Reset in the Settings>Service menu. 
There are also three user-definable presets. To set a preset for the current 
source, adjust the image, then choose Save User 1, 2, or 3 in the Save Set-
tings menu. You can recall these settings in the future by selecting the 
appropriate user presets. 
Presets
Save Settings 
						

							34 Advanced settings
Sharpness: (video sources only) changes the clarity of the edges of a video 
image. Select a sharpness setting.
Color Space: This option applies to computer and component video 
sources. It allows you to select a color space that has been specifically tuned 
for the input signal. When Auto is selected, the projector automatically 
determines the standard. To choose a different setting, turn off Auto, then 
choose RGB for computer sources, choose either SMPTE240, REC709 or 
REC601 for component video sources.
Color Temperature: changes the intensity of the colors. Select a listed 
value, or select User and individually adjust the intensity of the red, green, 
and blue colors.
Video Standard: when set to Auto, the projector attempts to automatically 
pick the video standard based on the input signal it receives. (The video 
standard options may vary depending on your region of the world.) If the 
projector is unable to detect the correct standard, the colors may not look 
right or the image may appear “torn.” If this happens, manually select a 
video standard by selecting NTSC, PAL, or SECAM from the Video Stan-
dard menu. 
Overscan: (video sources only) removes noise around the video image.
The following 4 options are for computer sources only. 
Phase: adjusts the horizontal phase of a computer source.
Tr a c k i n g: adjusts the vertical scan of a computer source.
Horizontal / Vertical Position: adjusts the position of a computer source.
Sharpness
Color SpaceColor TemperatureVideo Standard 
						

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Settings menuAudio: allows adjustments to the Balance and Volume. Also allows you to 
turn on and off the Internal speakers, and projector startup Chime.
Sources
: allows you to assign a particular input to a specific source key 
when using the Integrator remote. Also allows selection of a default Startup 
Source and enables or disables Autosource. 
Sources>Power-up Source: this determines which source the projector 
checks first for active signal during power-up. 
Sources>Autosource: When Autosource is not checked, the projector 
defaults to the source selected in Powerup Source. If no source is found, a 
blank screen displays. When Autosource is checked, Powerup Source deter-
mines which source the projector defaults to at power-up. If no signal is 
present, the projector checks the sources in order until a source is found or 
until power down. 
System>Rear: reverses the image so you can project from behind a 
translucent screen.
Ceiling: turns the image upside down for ceiling-mounted projection.
IR Receivers: turns individual IR receivers off or on to avoid environ-
mental interference.
Auto Power: When Auto Power is checked, the projector automatically 
goes into the startup state after the projector is powered on. This allows 
control of ceiling mounted projectors with a wall power switch.
Display Messages: displays status messages (such as “Searching” or 
“Mute”) in the lower-left corner of the screen.
Low Power: toggles between on and off. Turn it on to lower the light out-
put of the lamp. This also lowers the fan speed, making the projector qui-
eter.
NND: prevents your notebook computer from going into Screen Save 
mode (functions only when the USB connector is plugged in).
Pow e r  S av e: automatically turns the lamp off after no signals are 
detected for 20 minutes. After 10 additional minutes with no signal, the 
projector powers down. If an active signal is received before the projec-
tor powers down, the image will be displayed. 
Audio
Settings
menu
SourcesPowerup 
SourceSystem 
IR Receivers IR Receivers 
						

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Screen Save: automatically blanks the screen after no signals are 
detected for five minutes. The image returns when an active source is 
detected or a remote or keypad button is pressed. Screen Save is disabled 
when Power Save is enabled.
Startup Logo: allows you to display a blank Black, White, or Blue screen 
instead of the default screen at startup and when no source is detected. It 
also allows you to capture and display a custom startup screen. 
To capture a custom logo, display the image you want to capture on your 
computer and select the Logo Capture option. From the Logo Capture 
menu, use the Capture Position X and Capture Position Y adjustments to 
frame the logo to be captured. Press Capture Start in the Logo Capture 
menu. The projector will let you know if the capture was a success or a 
failure.
The next time you start the projector, the custom logo you captured dis-
plays.
Blank Screen: determines what color is displayed when you press the 
Blank button on the remote.
Save Screen
Startup Logo
Logo Capture
Blank Screen 
						

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PiP: (Picture in Picture) allows you to overlay a smaller window showing 
the video source on top of the larger computer source window. Only video 
sources 2 and 3 (composite and S-video) support PiP. You must have both a 
computer and video source connected to use PiP. You can’t show a com-
puter image in the smaller PiP window, only a video image. You can select a 
small, medium, or large window. You can also move the PiP window on the 
screen using the PiP Position X and Y options, or the Upper left, Upper 
Right, Lower Left, or Lower Right options in the menu. Press the up and 
down arrows to change the position.
Effect Key: allows you to assign a different function to the Effect button on 
the remote to quickly and easily use the effect. Only one effect can be 
enabled at a time. Highlight an effect and press Select to choose a different 
one. 
Blank: shows an empty screen. 
Mute: turns off all sound. 
Aspect Ratio: sets the ratio of the image width to image height.
Source: cycles through the available sources.
Auto Image: causes computer sources to be reacquired.
Freeze: pauses the projected image.
Magnify: Is the default effect. It allows you to enlarge a section of the 
projected image.
About: displays the About menu.
PiP Source: changes the video source of Picture in Picture smaller win-
dow display on the projected screen.
PiP menu
PiP Enable
PiP Position
Effect Key 
						

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Network: The projector has an RJ45 Ethernet connector that supports net-
work connections and TCP/IP protocols. This will allow for the control and 
management of the projector over a corporate network. The following fields 
are accessible when DHCP is not checked and available for manual entry of 
data.
IP Address: Identifies the projector on the network.
Subnet mask: Separates the network address part of the IP address.
Default gateway: The IP address of the local router.
DHCP: Select this to automatically obtain an IP address, Subnet mask, 
and Default gateway.
Network Info: Provides information on the network configuration.
The Network Info menu is informational and cannot be edited. It displays 
the current IP Address, Subnet Mask, Default Gateway, and the projector ’s 
MAC Address.
Language: allows you to select a language for the onscreen display of 
menus and messages.
Service: to use these features, highlight them and press Select.
Factory Reset: restores all settings (except Lamp Hours and Network set-
tings) to their default after displaying a confirmation dialog box.
Lamp Reset: resets the lamp hours counter in the About menu to zero. Do 
this only after changing the lamp. It displays a confirmation dialog box.
Filter Reset: resets the filter counter in the About menu to zero. Do this 
only after cleaning the filter. It displays a confirmation dialog box.
Service Code: only used by authorized service personnel.
Network
Network
Info
Language
Service menu 
						

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MaintenanceNOTE: When you are performing maintenance activities on your projector, 
keep in mind that you should only remove screws that are single-slot, or 
flathead, screws. Any other type of screw, such as a phillips or star should 
not be removed. These types of screws should only be removed by technical 
support experts.Cleaning the lens1
Apply 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.
2
Lightly wipe the cleaning cloth over the lens in a circular motion. If you 
don’t intend to use the projector immediately, replace the lens cap.
Changing the lensLong throw and short throw lenses are available with your projector.1
Turn off the projector and unplug the power cable.
2
Turn the projector upright with the lens facing upward and use a screw-
driver to remove the two screws from the front bezel release holes on the 
bottom of the projector.
3
Lift off the front bezel.
4
Gently place a flathead screwdriver into the slot on the top of the projec-
tor (it is by the right speaker) and slide the small lever toward the right 
speaker. The cover that protects the lens and the lamp housing pops up. 
5
Loosen the captive screw to the door that covers the lens housing.
clean the lens 
with a soft dry cloth
and non-abrasive
cleaner
turn off and unplug
the projector
lens release holes
front
bezel
slide lever in slot to 
pop open cover
cover 
						

							40 6
To remove a lens, push the lever inside the lens housing and turn the 
lens counterclockwise until it stops. Remove the lens.
7
To install a new lens, place it in the opening through the front of the pro-
jector, aligning the red dot (near the base of the lens) with the red dot on 
the projector. Turn clockwise until you feel the lens click into place.
8
Tighten the captive screw to the lens housing door. Place the front bezel 
back onto the projector and replace the two screws on the bottom of the 
projector. Replace the cover that protects the lens and the lamp housing 
on top of the projector.
Replacing the projection lampThe lamp hour timer in the About menu counts the number of hours the 
lamp has been in use. Twenty hours before the specified end of the lamp’s 
life, the message “Replace lamp” briefly appears on the projected screen. 
After twenty additional hours, the lamp will no longer light. You can order 
new lamp modules from your dealer. See the Accessories catalog that came 
with the projector or visit our website for information.1
Turn off the projector and unplug the power cable. 
2
Wait 60 minutes to allow the projector to cool thoroughly.
3
Gently place a flathead screwdriver into the slot on the top of the projec-
tor (it is by the right speaker) and slide the small lever toward the right 
speaker. The cover that protects the lamp housing and the lens pops up.
The lamp module is on the right.
lever inside
lens housing
About
 menu
turn off and unplug
the projector
wait 60 minutes
slide lever in slot to 
pop open cover cover