Acer X112 - Manual (Page 31)

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English
Note: "H. Position", "V. Position", "Frequency" and "Tracking" functions
are not supported under HDMI or Video mode.
Maunal Keystone Adjust image distortion caused by tilting projection. (±40 degrees) (for
X1161P/X1261P series only)
<Note> The Manual Keystone function is unavailable under Auto
Keystone setting to "On".
Aspect Ratio (for X1161P/X1261P series only)
Use this function to choose your desired aspect ratio.
• 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.
Sharpeness Adjusts the sharpness of the image.
• Press to decrease the sharpness.
• Press to increase the sharpness.
H. Position
(Horizontal
position)
• Press to move the image left.
• Press to move the image right.
V. Position
(Vertical position)
• Press to move the image down.
• Press to move the image up.
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.