ViewSonic Projector LS820 User Manual

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FUNCTIONDescription
4.	Basic	Menu
Audio SettingsSee “Adjusting the sound” for details.
Presentation Timer See “Setting the presentation timer”  for details.
Pattern The projector can display several test patterns. It helps 
you adjust the image size and focus and check that the 
projected image is free from distortion.
Blank	Timer See “Hiding the image” for details.
Message Selecting 
On displays the current information on the 
screen when the projector is detecting or searching for 
a signal.
Splash Screen Allows you to select which logo screen will be displayed 
during projector start-up.
Screen Capture See “Creating your own startup screen”  for details.
My buttons Sets a hotkey on remote control.
5. Advanced menu
3D SettingsSee “Using the 3D functions”  for details.
HDMI Settings See “Changing HDMI input settings”  for details.
Audio Setup See “Adjusting the sound” for details.
LAN Control Settings See “Controlling the projector through a LAN 
environment”
 for details.
Light Source Settings Light Source Mode
See “Setting Light Source Mode”
 for details.
Light Source Hours
See “Getting to know the Light Source hour”  for details 
on how the total Light Source hour is calculated.
DCR Enables or disables the DCR (Dynamic Contrast Ratio) 
function. Selecting 
On enables the function and the 
projector will automatically switch the Light Source 
mode between normal and economic modes according 
to the input image detected.
This function is only available when a PC input signal is 
selected.
After	enabling	DCR,	frequent	Light	Source	mode	 switching may shorten Light Source life and noise level 
will vary during operation.  
						

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FUNCTIONDescription
5. Advanced menu
Closed CaptionSelects a preferred closed captioning mode when the 
selected input signal carries closed captions.
•  Captions: An on-screen display of the dialogue, 
narration, and sound effects of TV programs and 
videos that are closed captioned (usually marked 
as “CC” in TV listings).This function is only available when a Composite video 
or S-Video input signal is selected and its system format 
is NTSC.
Caption Version
To view captions, select CC1, CC2, CC3, or CC4 (CC1 
displays captions in the primary language in your area).
Reset Settings Returns all settings to the factory preset values.
  The following settings will still remain: Keystone / 
Corner Adj. / Language/ Projector Position/ Altitude/ 
Security Settings/ Remote Control Code
6. SYSTEM menu
Language
Sets the language for the On-Screen Display (OSD) 
menus. See “Using the menus”
 for details.
Projector Position See “Choosing a location” for details.
Menu Settings Menu Display Time
Sets the length of time the OSD will remain active after 
your last key press. The range is from 5 to 30 seconds 
in 5-second increments.
Menu Position
Sets the On-Screen Display (OSD) menu position.
High Altitude Mode A mode for operation in high altitude areas. See 
“Operating in a high altitude environment” 
for details.
Quick Auto Search See “Switching input signal”  for details.
Security Settings See “Utilizing the password function”  for details.
Panel Key Lock See “Locking control keys” for details.
Remote Control Code See “Remote control code”  for details.  
						

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FUNCTIONDescription
6. Information menu
Current System StatusSource
Shows the current signals source.
Color mode
Shows the selected mode in the 
Image menu.
Resolution
Shows the native resolution of the input signal.
Color System
Shows the input system format.
IP Address
Shows the IP address of your projector.
MAC Address
Shows the MAC Address of your projector.
	 MAC	 Address	stands	for	Media	 Access	Control	Address,	
which is a physical layer address used to uniquely 
identify a network node.
Firmware Version
Shows the current firmware version.  
						

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Maintenance
Care of the projector
You must regularly clean the lens and/or filter.
Do not attempt to disassemble any part of the projector. Contact your dealer if you 
need to replace any parts.
Cleaning the lens
You can clean the dust-free glass lens if you notice any dirt or dust on \
its surface.
•  Use a canister of compressed air to remove dust.
•  Use a lens cleaning wipe or soft, or a moist cloth with some detergent t\
o clean away 
any dust or dirt on the dust-free glass.
Note 
Do not apply any granule material on the dust-free glass.
Cleaning the projector case
Before cleaning the case, please refer to the proper shutdown procedure \
described in 
“Switch off the projector” to shutdown the projector and unplug the power cable.
•  To remove dirt or dust, wipe the case with a soft, lint-free cloth.
•  To remove stubborn dirt or stains, moisten a piece of soft cloth with wat\
er and a 
neutral pH detergent. Then wipe the case.
Note 
Never	use	wax,	alcohol,	benzene,	thinners,	or	other	chemical-based	detergents.	These	can	
damage the case.
Storing the projector
Follow the instructions below to store the projector for an extended tim\
e:
•  Make sure the temperature and humidity of the storage area are within th\
e 
recommended range for the projector. Please refer to “Specifications”  or inquire your 
dealer for details of the recommended range.
•  Retract the projector support pegs.
•  Remove the battery from the remote control.
•  Pack the projector in its original packaging or equivalent material.
Transporting the projector
It is recommended that you ship the projector within its original packag\
ing or 
equivalent material.  
						

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Using	the	filter
Note
•	we	recommend	cleaning	the	filters	when	using	projector	for	a	while.
•	 	
If	the	projector	is	suspended	from	the	ceiling	or	mounted	in	a	way	that	is	difficult	to	access,	please	be	
mindful	of	personal	safety	during	filter	replacement.
Cleaning	the	filters
1.  Make sure that the projector has been shut down and unplugged from the p\
ower 
source.
2.  Press the latch pin on the filter and removed the filter from the projector .
3.  Use a small vacuum cleaner or soft brush to remove dust from the filter .
4.  Reinstall the filter.  
						

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LED Indicator
Projector statusPower indicatorStatus* indicator
Stand-by Mode RedOff
Powering On Red flashing two 
second , purple  flashing three 
second then Blue 
flashing 4 second Off
Normal Operations BlueOff
Normal Shut Down Blue flashing Off
Fan Error OffRed flashing
Temperature OffRed
DMD Blue flashing twice 
per second Red flashing twice 
per second
Projector Status: 
Color Wheel Error   Power Indicator : 
Blue flashing once  per second /  Red flashing twice 
per second
LD start failed Blue flashing
Red flashing
LD shut down Blue 
Red flashing
Stand-by Mode 
(enable standby  setting on OSD) blue flashing by five 
second Off
   
						

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Troubleshooting
 Projector is not shutting down
CauseRemedy
There is no power from the power cable. Plug one end of the power cable at the 
AC inlet of the projector and the other 
end in the power outlet. If the power 
outlet has a switch, make sure that it is 
switched on.
Attempting to turn the projector on again 
during the cooling process.  Wait until the cooling down process has 
completed.
 No picture
Cause
Remedy
Video source is not turned on or is not 
connected correctly. Switch the video source on and check 
that the signal cable is connected 
correctly.
The projector is not correctly connected 
to the input signal device. Check the connection
.
The input signal has not been correctly 
selected.Select the correct input signal by using 
the [Source] key on the projector or 
remote control.
	Blurred	image
Cause
Remedy
The projection lens is not correctly 
focused. Use the focus function to adjust lens 
focus.
The projector and the screen are not 
aligned properly. Adjust projection angle and direction as 
well as the height of the projector where 
necessary.
 Remote control does not work
Cause
Remedy
The battery is out of power. Replace the batteries.
There is an obstacle between the remote 
control and the projector. Remove the obstacle.
You are too far away from the projector. Stand within 8 meters (26 feet) of the 
projector.
The remote control does not match the 
remote control code of the projector. Adjust the remote control code.  
						

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Specifications
Projector	specifications
•	All	specifications	are	subject	to	change	without	notice.
•	 Not all projector models are available at your location.
L810 L820L830
Input Terminals
1 VGA Input (DB 15 pin) x2x2x2
2 Audio Input (mini jack) x1x1x1
3 Audio L/R (RCA x 2 Composite) x1x1x1
4 HDMI (v1.4 with audio) x1x1x1
5 HDMI 1.4/MHL 2.0 x1x1x1
6 Video (RCA) x1x1x1
7 S-video(Mini DIN 4 pin) x1x1x1
8 Component (RCAx3) x1x1x1
9 3D	sync	(IR3D) x1x1x1
Output Terminals
1 VGA output (DB 15pin) x1x1x1
2 Audio Ouput (mini jack) x1x1x1
3 12 V Trigger x1x1x1
4 USB 5V2A (micro USB cable on 
Dongle) x1
x1x1
5 USB A  5V2A x1x1x1
6 Speaker 10W x110W x110W x1
Control Terminals
1 RS232 (9 pin type1) x1x1x1
2 USB (Type mini B) 5V2A x1x1x1
3 LAN Control(RJ45) x1x1x1  
						

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Dimensions
Ceiling mount installation
Projection direction
Note: M6L12 screws are recommended for securing the projector using suspende\
d 
mounting M6 screw holes. (M6 / L12 x 4)  
						

							53
Timing chart
Analog	RGB
Signal Resolution 
(pixels) Aspect Ratio
Refresh rate (Hz)
VGA 640x480 4:360/72/75/85
SVGA 800x600 4:360/72/75/85
XGA 1024x768 4:360/70/75/85
1152x864 4:375
WXGA 1280x768 15:9 60
1280x800 16:1060/75/85
1360x768 16:9 60
Quad-VGA 1280x960 4:360/85
SXGA 1280x1024 5:460
SXGA+ 1400x1050 4:360
WXGA+ 1440x900 16:10 60
UXGA 1600x1200 4:360
WSXGA+ 1680x1050 16:10 60
HD 1280x720 16:9 60
MAC 13” 640x480 4:367
MAC 16” 832x624 4:375
MAC 19” 1024x768 4:375
MAC 21” 1152x870 4:375
HDTV (1080p) 1920x1080 16:960