ViewSonic Projector LS820 User Manual

4
Shipping contents
Carefully unpack the product and check that you have all of the items sh\
own below. If 
any of these items are missing, please contact the dealer from whom you’\
ve purchased 
this projector.
Standard accessories
The	supplied	accessories	will	be	suitable	for	your	region,	and	may	differ	from	those	illustrated.
ProjectorPower cable
1LS810/LS820/LS830
DLP ProjectorQuick Start Guide
23
COM P1 COMP 2HDMI
S ourc eEnte r
Men u 3D ExitPgU p
Mo use Patter nBla nk
P
gD nEc o
M od e Colo
r
M od...

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External appearance of the projector
Front / rear
Side
Top / bottom
Warning
•	This equipment must be connected to ground.
•	 You	may	add	power	interruption	devices	in	the	fixed	wiring	or	plug	in	the	power	cable	to	a	nearby	socket	for	
convenience.	If	failures	or	errors	occur	during	equipment	operations,	use	the	power	interruption	device	to	cut	
the power or unplug the power cable from the socket.
   

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Device control and functions 
projector
1. 	(MY	BUTTON)
Allows the user to define buttons and hotkeys. These functions can be set using the 
OSD menu.
2.  STATUS LED
3. 
///	(Keystone	Correction	buttons)
Manually corrects distorted images resulting from an angled projection.
Left/Right/ Up/Down
Selects the required menu item to make adjustments.
4.    POWER LED
5. 
 (POWER)
Toggles the projector between standby mode and Power ON.
6.  MENU/EXIT
Open the OSD menu.
7.  ENTER
Enacts the selected...

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Remote Control
To use the remote mouse cursor control 
buttons	(Page	Up,	Page	Down,	
 and ),	
please refer to “Using the remote control 
cursor” for more details.
1.  Power
Switches the projector between 
Standby and ON modes.
2.    Signal Selection button.
•  COMP
Select the signal source for the D-Sub/
Comp. display.
•  VIDEO
Select the source of the Video 
displayed.
•   HDMI/MHL
Select the source of the HDMI/MHL 
displayed.
3.    Auto Sync
Automatically verifies the best picture 
quality for the...

8
10. 
	(Panel	Key	Lock)
To disable Panel Key Lock after it has 
been activated, please press 
.
11. 
	(Presentation	Timer)
Brings up the Presentation Timer 
settings menu.
12. 
	(Volume)
Brings up the Volume Slider
13.    Eco Mode
Select light source Mode.
15. 
	(My	Buttons)
Allows the user to define hotkeys on the 
remote control. These functions can be 
set using the OSD menu.
16.    Source
Shows the Source Selection Bar.
17.    Laser
Emits a visible laser pointer 
beam which can be used during...

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Use the laser pointer.
The laser pointer is a professional tool for supporting presentations. P\
ress this button to 
emit a colored laser pointer beam. The laser beam emitted is within the visible spectrum. 
To generate the pointer beam continuously, press and hold the [Laser] button.
  Do not look at the laser light and do not aim the laser beam at yourself or other people. Please 
read the warning texts provided at the back of the remote control before\
 use.
The laser pointer is not a toy. Parents...

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Using the remote control cursor
Use the remote control to operate your computer during presentations for greater flexibility
1.   Before using the remote control to replace your cursor, fix one end of the USB cable 
to the projector Mini USB port and the other end to the PC or notebook c\
omputer. 
See “Connect to the computer”  for details.
2.    Change the input signal to D-Sub or HDMI via PC source.
3.   
Press the [Mouse] button on the remote control to switch from Normal Mod\
e to 
Cursor Mode....

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Replacing the remote control battery
1.  
To open the battery cover, place the remote control with the backside facing upwards. 
Press down at the indicated area and then pull the battery lid upwards a\
long the indi -
cated direction.
2.  Take out the old batteries (if required) and then place 2 AAA batteries according to 
the indicated orientation. The positive pole of the battery should be directed at the (+) 
direction while the negative pole should be directed at the direction.
3.    Align the...

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Projector Positioning
Choosing a location
You may refer to the room layout or personal preference to determine the \
location of 
installation. Considerations include size and position of the screen, lo\
cation of a suitable 
power outlet, as well as the location and distance between the projector\
 and other 
equipment.
There are 4 potential installation locations for the projector:
1.  Front  Table
For this location, the projector is placed right in front of the 
screen. This is the most commonly...

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Projection Dimension
Screens mentioned in the following section refer to projection screens c\
omposed of a screen 
surface and supporting structures.
(W)(H)(a) (b)
Distance from the center of the glass lens to the bottom peg: 115 mm
1080P Unit: mm Corresponding model:LS820 LS830
Diagonal L abScreen width w Screen height H
80" 209.6 4051771 996
86" 229.4 4421904 1071
90" 238^6 4631992 1121
93" 248.0 4812059 1158
100" 267.8 5212214 1245
110" 296.8 5772435 1370
120" 325.8...