InFocus Projector Lp820 User Manual

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WARNINGS: 
 To avoid burns, allow the projector to cool for at least 60 minutes before 
you replace the lamp.
 Do not drop the lamp module. The glass may shatter and cause injury.
 Do not touch the glass lamp screen. Fingerprints can obscure projection 
sharpness.
 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...

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Cleaning the dust filter1
Turn off the projector and unplug the power cable. 
2
Wait 60 minutes to allow the projector to cool thoroughly.
WA R N I N G: To avoid burns, allow the projector to cool for at least 60 
minutes before you clean or replace the dust filter.
3
Turn the projector upside down and remove the lamp door. See page 38.
4
Press the tab on the dust filter and lift it off.
5
Clean the filter using a vacuum set on low power.
6
Replace the dust filter and the lamp door.
Using the security...

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AppendixAccessoriesNOTE: Use only approved accessories. Standard Accessories
(ship with the projector)
Part Number
Shipping Box (with packaging) 111-0033-xx
Protective Cover 110-0710-xx
Computer Cable 6 ft (1.8 m) 516-0062-xx
Audio/Video Cable 6 ft (1.8 m) 516-0051-xx
Audio Cable 6 ft (1.8 m) 301398B
Component to VESA Adapter SP-VESA-ADPT
Power Cable*  516-0052-xx
USB Cable 301378A
Conductor Plus Remote HW-CONDUCTOR+
Projection Lamp Module (included 
in projector)SP-LAMP-012
Lens Cap 340-1185-xx
Quick...

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Red LED behavior and projector errorsIf the projector is not functioning properly and the red LED is blinking, con-
sult Ta b l e  2 to determine a possible cause. There are two second pauses 
between the blinking cycles. Visit our website for more details on the red 
LED error codes. See the inside back cover for contact information.
Projected image size
Table 2: 
Red LED Behavior Explanation
One (1) blink The lamp wont strike after five (5) 
attempts. Check the lamp and lamp door 
installations for...

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NOTE: Visit our website for an interactive image size calculator.Table 5: 
Image sizes for short throw lens (fixed focus)
Distance to 
screen 
(feet/m) Width
(feet/m)
3/.91 2.5/.76
5/1.52 4.17/1.27
8/2.44 6.67/2.03
12/3.66 10/3.05
16/4.88 13.33/4.06
20/6.1 16.67/5.08 

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Numerics
1024x768 resolution 5
A
About 35
Aspect Ratio 35
audio 26
Audio In connector 7, 13
audio volume 15
Auto Image 35
Auto Power 33
B
Blank 35
blinking green 16
blinking red 16
Brightness 12
C
cables
optional 41
standard 41
changing the lens 37
cleaning the dust filter 40
cleaning the lens 37
Color 15
colors are incorrect 21
component cable connector 13
computer connections
optional 7
required 7
computer image
optimize 27
troubleshooting 17
connector panel 6
contacting InFocus 23Contrast 12, 15...

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I
image
display computer 9
display video 14
image does not fit screen 20
image not centered 23
image not sharp 20
image not square 20
image reversed 21
image size matrix 42
image upside down 21
Info
network 36
IP Address 36
K
Keystone 12, 15
L
lamp replacement 38
lamp won’t turn on 22
Language 36
laptop
connecting 7
external video port 9
LED
blinking green 16
blinking red 22
solid green 16
solid red 22
LED behavior 16
lens
changing 37
cleaning 37
leveling foot 12
Low Power 33M
Main menu 29
menu system...

46
R
Rear 33
remote control 25
not working 19
replacing the lamp 38
RS-232
cable 8
connecting 6
S
screen trigger 6
security lock 40
serial connection 6
Settings menu 33
shutdown
projector 16
solid green 16
solid red 16
Source 35
Source troubleshooting 17
Sources 33
standard accessories
projector 41
Subnet mask 36
S-video connector 13
T
Tint 15
trigger, screen 6
Troubleshooting 16, 17
U
USB, using your mouse 7V
Video button 14
video connections
optional 13
standard 13
Video connector 13
video images...

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Limited Warranty
Subject to the Limitations, Exclusions and Disclaimers hereof, InFocus Cor-
poration (“InFocus”) warrants that the Projector, Lamps and Accessories 
(hereinafter collectively or individually referred to as “Product” as appro-
priate) purchased from InFocus, an InFocus distributor, or an InFocus 
reseller will conform to InFocus’ specifications and be free from defects in 
material or workmanship for the respective Limited Warranty period pro-
vided below. InFocus does not warrant that...

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Limited Warranty Period
The Limited Warranty periods hereof commence on the date of purchase by 
the end-user customer. These Limited Warranty provisions shall apply only 
to the end-user purchaser (first person or entity that purchased a new Prod-
uct for personal or business use and not for the purpose of distribution or 
resale). SOME JURISDICTIONS MAY GRANT YOU CONSUMER RIGHTS 
WITH MINIMUM WARRANTY DURATION THAT DIFFER FROM THE 
DURATIONS PROVIDED HEREIN, AND INFOCUS WILL HONOR ALL 
SUCH CONSUMER...