Acer X1261, X1161N, X1161A manual English

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Aspect Ratio	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.
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	•	Press	to move the image left.
(Horizontal
	•
position)		Press	to to move the image right.
V. Position	•	Press	to move the image down.
(Vertical position)
	•	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.
Sharpeness	Adjusts the sharpness of the image.
	•	Press	to decrease the sharpness.
	•	Press	to increase the sharpness.

Note: "H. Position", "V. Position", "Frequency" and "Tracking" functions are not supported under DVI or Video mode.

Note: "Sharpness" functions is not supported under DVI and Computer mode.

Note: "Auto Keystone" functions is not supported in X1161A/X1161N.

Note: "Projection Location--> " functions is not supported in X1161A/ X1161N.