Acer X1130 Series User Manual page 32

20
Rear-Ceiling
•
Use this function to choose your desired aspect ratio.
•
Aspect
Ratio
•
•
Automatically adjusts image distortion caused by tilting
Auto Keystone
projection (±40 degrees).
Manually adjusts image distortion caused by tilting projection
(±40 degrees).
Manual
Keystone
Adjusts the sharpness of the image.
Sharpness
•
•
H. Position
•
(Horizontal
Position)
•
V. Position
•
(Vertical
Position)
•
Changes the projector's refresh rate to match the frequency
of your computer's graphics card. If you experience a vertical
Frequency
flickering bar in the projected image, use this function to
correct it.
Synchronizes the signal timing of the display with the graphic
Tracking card. If you experience an unstable or flickering image, use
this function to correct it.
When you select this function, the projector reverses and
inverts the image at same time. You can project from
behind a translucent screen with ceiling mounted
projection.
Auto: Keep the image with original width-height ratio
and maximize the image to fit native horizontal or
vertical pixels.
4:3: The image will be scaled to fit the screen and
displayed using a 4:3 ratio.
16:9: The image will be scaled to fit the screen and
displayed using a 16:9 ratio.
Press to decrease the sharpness.
Press to increase the sharpness.
Press to move the image left.
Press to move the image right.
Press to move the image down.
Press to move the image up.