Acer X1161P Series User Manual page 30

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Use this function to choose your desired aspect ratio.
Aspect Ratio
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Auto Keystone Automatically adjusts vertical image.
Manual Keystone Adjust image distortion caused by tilting projection. (±40 degrees)
<Note> The Manual Keystone funcion is unavailable under Auto
Keystone setting to "On".
H. Position
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(Horizontal
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position)
V. Position
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(Vertical position)
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Frequency "Frequency" changes the projector's refresh rate to match the
frequency of your computer's graphics card. If you can see a vertical
flickering bar in the projected image, use this function to make the
necessary adjustments.
Tracking Synchronizes the signal timing of the projector with the graphics card.
If you experience an unstable or flickering image, use this function to
correct it.
Sharpeness Adjusts the sharpness of the image.
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3D Choose "NVIDIA 3D Vision" or "DLP 3D" to enable 3D function
supported by NVIDIA or TI DLP 3D technology.
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3D Sync Invert If you see a discrete or overlapping image while wearing DLP 3D
glasses, you may need to execute "Invert" to get best match of left/
right image sequence to get the correct image (for DLP 3D). This
function is only available while DLP 3D is selected.
Auto: Keep the image with original width-higth ratio and maxi
mize 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 width of the screen and
the height adjusted to display the image using a 16:9 ratio.
Press to move the image left.
Press to to move the image right.
Press to move the image down.
Press to move the image up.
Press to decrease the sharpness.
Press to increase the sharpness.
NVIDIA 3D Vision: This is only supported on X1261P. Choose this
item while using NVIDIA 3D glasses, IR emitter, NVIDIA graphic
card and NVIDIA compliant 3D games or 3D movie with
corresponding SW player. Please visit NVIDIA URL
(http://www.nvidia.com/object 3D_Vision_Requirements.html) to
check detail system configuration.
DLP 3D: Choose this item while using DLP 3D glasses, quad buffer
(NVIDIA/ATI...) graphic card and HQFS format file or DVD with
corresponding SW player.
Off: Turn off 3D mode.
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