Optoma Technology EP747 Projector User Manual


 
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English
User Controls
Frequency
“Frequency” changes the display data frequency to match the fre-
quency of your computer’s graphic card. If you experience a vertical
flickering bar, use this function to make an adjustment.
Phase
“Phase” synchronizes the signal timing of the display with the
graphic card. If you experience an unstable or flickering image, use
this function to correct it.
Hor. Position (Horizontal Position)
Press the to move the image left.
Press the to move the image right.
Ver. Position (Vertical Position)
Press the to move the image down.
Press the to move the image up.
Degamma
This allows you to choose a degamma table that has been fine-tuned
to bring out the best image quality for the input.
Aspect Ratio
Use this function to choose your desired aspect ratio.
4:3 : The input source will be scaled to fit the projection screen.
16:9 : The input source will be scaled to fit the width of the
screen.
LBX: This format is for non-16x9, letterbox source and for users
who use external 16x9 lens to display 2.35:1 aspect ratio using
full resolution.
Window: When a 4:3 image is bigger than a 16:9 screen, select
the “Window” mode to fit the image onto the screen without
changing the projection distance.
Image-II