ViewSonic PJ551D-2 User Manual page 23

ECO Mode
Use this function to dim the projector lamp light output which will lower power
consumption and increase lamp life.
High Altitude
Turning on High Altitude mode operates the fans at full speed continuously to allow for
proper high altitude cooling of the projector.
Filter Mode
When an optional air filter is attached, be sure to turn on the "Filter Mode"; otherwise,
the machine can overheat and shutdown automatically.
OSD Timeout
Duration OSD menu stays active (at idle state by second).
Option (Computer / Video Mode)
Blank Screen
Blank the screen temporarily, and select the screen color when this function is active.
Start-up Screen
Select start-up screen when the projector is powered on or when no signal is input.
"User" is the screen that you captured.
Screen Capture
Capture the current projection screen as a start-up screen.
Password
Set or change the password. When the password function is added, image projection
requires an entry of the preset password at power-on.
DCR (Dynamic Contrast Ratio)
Enable DCR will further enhance contrast ratio by darkening the black scenes. Disable
DCR will resume to normal contrast performance.
*DCR will impact lamp life and system noise performance.
Language (Computer / Video Mode)
Select the language used by the on-screen menu.
Factory Default (Computer / Video Mode)
Restore all menu settings to factory default settings.
ViewSonic 17 PJ551D