ViewSonic LS920WU User Manual page 58

Menu Option
Light Source Settings
Closed Caption
Reset Settings
Description
Light Source Mode
ͫ Normal: Provides full light source brightness.
ͫ Eco: Reduces light source power consumption by 30% and
lowers brightness to decrease the fan noise.
ͫ Dynamic Eco: Reduces light source power consumption by
up to 60% depending on the content brightness level.
ͫ Custom: Allows you to adjust the light source power.
Light Source Power
Only available when Light Source Mode is Custom.
Reset Light Source Hours
Resets the light source timer after new light source is installed.
For changing the light source, please contact qualified service
personnel.
Light Source Hours Information
ͫ Light Source Usage Time: Displays the number of hours
the light source has been used.
Closed Caption Enable
Activates the function when the selected input signal carries
closed captions.
NOTE:
• 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
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).
Returns all settings to the factory preset values. When using
Reset Settings, the following settings will still remain: Keystone,
Corner Adj., Zoom, Digital Lens Shift,USB A Power, Language,
Projector Position, LAN Settings, High Altitude Mode,
Security Settings, Remote Control Code, Control Method,
3D Glasses and Baud Rate.
58