ViewSonic Projector LS820 User Manual

34
Setting the Presentation Timer
The presentation timer can indicate the presentation time on-screen to h\
elp you achieve 
better time management when giving presentations. Follow these steps to \
utilize this 
function:
1. Use the remote control 
 and enter Presentation Timer menu or enter Basic	>	
Presentation Timer menu.
2.  Press [Enter] to show the Presentation Timer page.
3.  Select Timer Interval and press / to confirm the duration. Duration can be set to 
1 to 5 minutes, with 1 minute...

35
Hiding the image
In order to draw the audience’s attention to the presenter, you may press Blank to hide the screen image. Press any key on the projector or remote to re\
store the 
image. After hiding the image, the lower right corner of the screen will display the text 
[BLANK].
You can go to Basic > Blank	Timer menu to set blank screen duration. Once the  blank screen countdown is complete, the image will be automatically re-d\
isplayed.
After	pressing	[Blank],	the	projector	will	automatically...

36
Creating your own startup screen
In addition to Black, Blue, or ViewSonic screens, you may also select a computer or 
video projection image as your startup screen.
To create your own startup screen:
1.  Select the desired startup screen image from your computer or video sour\
ce.
2.  Open the OSD menu and enter  Basic > Screen Capture menu.
3.  Press [Enter].
4.  A confirmation message will be displayed next. Press [Enter] again.
5.  While the projector processes the image, the screen will display...

37
Using the CEC function
This projector supports Consumer Electronics Control (CEC), allowing y\
ou to connect 
to connect to HDMI and achieve synchronized power ON/OFF operations. This 
means that when a device that also supports CEC is connected to the HDMI\
 input 
jack of the projector, switching off the power of the projector will also automatically 
switch off the power of the connected device. Switching on the power of the 
connected device will also automatically switch on the projector....

38
Active VGA Out
Once the COMPUTER IN and COMPUTER OUT jacks have been properly connected 
to the corresponding devices, select ON to generate VGA signal output. The projector 
will only receive output signals via Computer In 1.
Active Audio Out
When the AUDIO IN jack is correctly connected to a device, select  ON to output audio 
signals.
Adjusting the sound
The sound adjusents made as below will have an effect on the projector speaker(s). 
Please check that you have made a correct connection to the...

39
Menu operations
Menu system
Please note that the on-screen display (OSD) menu may vary according t\
o the type of 
signal received.
The projector must detect at least one valid signal in order to use the \
menu items. If no 
device has been connected to the projector or if no signal has been dete\
cted, only a few 
menu items will be accessible.
Main menuSub-menu Options
1.
Display Screen Color
Off/Blackboard/Greenboard/
Whiteboard
Aspect Ratio Auto/4:3/16:9/16:10/2.35:1
Keystone Auto V Keystone...

40
Main menuSub-menu Options
3.
Power 
Management Auto Power On
Computer
Disable/Enable
CEC Disable/Enable
Direct power on Off/On
Smart Energy Auto Power Off
Disable/10 min/20 min/ 
30 min
Sleep Timer Disable/30 min/1 hr/2 hr/
 
3 hr/4 hr/8 hr/12 hr
Power saving Disable/Enable
MHL settings Power Out
MHL/USB-TYPE	A
MHL reset Restore/Cancel
Standby Settings Active VGA Out
Off/On
Active Audio Out Off/On
4.
Basic Audio Settings
Audio Mode
Standard/Speech/
Entertainment
Mute On/Off
Volume
Presentation Timer...

41
Main menuSub-menu Options
5.
Advanced 3D Settings
3D Glasses
DLP/3D VESA
3D Sync Auto/Off/Frame Sequential/
Frame	Packing/Top-Bottom/
Side-by-Side
3D Sync Invert Disable/Invert
HDMI Settings HDMI Format
Auto/RGB/YUV
HDMI Range Auto/Enhanced/Normal
LAN Control 
Settings LAN Control 
Settings
DHCP ON/Static IP
Projector IP 
Address
Subnet Mask
Default Gateway
DNS Server
Standby LAN 
Control Off/On
Apply
Light Source 
Settings Light Source Mode
Normal/Eco
Light Source Hours
DCR On/Off
Closed Caption...

42
Description of each menu
FUNCTIONDescription
1. Display menu
Screen ColorSee “Using Screen Color” for details.
Aspect Ratio See “Selecting the aspect ratio”  for details.
Keystone See “Correcting keystone” for details.
Corner Adj. See “Adjusting the 4 corners”  for details.
Position Displays the position adjustment page. To move the 
projected image, use the directional arrow keys. The 
values shown on the lower position of the page change 
with every key press you made until they reach their 
maximum...

43
FUNCTIONDescription
2. Image menu
AdvancedColor
See “Adjusting Color”
 for details.
Tint
See “Adjusting Tint” for details.
Sharpness
See “Adjusting Sharpness”  for details.
Gamma
See “Selecting a gamma setting”  for details.
Brilliant	Color
See “Adjusting Brilliant Color”  for details.
Noise Reduction
See “Reducing image noise”  for details.
Color Management
See “Color Management”  for details.
Reset color settings Returns all color settings to the factory preset values.
3. Power Management menu
Auto...