ViewSonic Pro8400 User Manual page 33

Keystone
Manually correct distorted images resulting from an angled projection.
When adjusting the Keystone, Auto Keystone will be set at "Off" automatically.
Aspect Ratio
Select how the picture fits on the screen:
Auto : Scales an image proportionally to fit the projector's native resolution in its
horizontal or vertical width.
4:3 : Scales an image so that it is displayed in the center of the screen with a 4:3
aspect ratio.
16:9 : Scales an image so that it is displayed in the center of the screen with a 16:9
aspect ratio.
16:10: Scale an image so that it is displayed in the center of the screen with a 16:10
aspect ratio.
ANAMORPHIC 1: Scale an image so that it is displayed in the center of the screen
with a 1.85:1 aspect ratio.
ANAMORPHIC 2: Scale an image so that it is displayed in the center of the screen
with a 2.35:1 aspect ratio.
Projection
Adjust the picture to match the orientation of the projector: upright or upside-down, in front of
or behind the screen. Invert or reverse the image accordingly.
Power Saving
If the input source is not detected and no operation is performed for a specific period of time,
projector will automatically turn off.
Auto Source
Automatically scan through all the input source.
Signal Type
Specify the source to the Computer in 1/Computer in 2 terminal that you wish to project.
Auto : Automatically detect the input signal type from Computer in 1 and Computer
in 2 terminals.
RGB : For VGA signal
YCbCr/YPbPr:For component signal
ECO Mode
Use this function to dim the projector lamp light output which will lower power consumption
and increase lamp life.
This function will be unavailable when the DCR function is on.
Filter Mode
Use this function to activate filter mode after the projector is installed an optional filter cover.
High Altitude
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