Acer P5205 manual Aspect, Ratio, Keystone, Sharpness, Position, Horizontal, Vertical, Frequency

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• Rear-Ceiling: 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.

Use this function to choose your desired aspect ratio.

Aspect	• Auto: Keeps the image with original width-height ratio
	and maximizes the image to fit native horizontal or
Ratio	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.
	Manually adjusts image distortion caused by tilting projection
Keystone	(±40 degrees).

Adjusts the sharpness of the image.

Sharpness	•	Press	to decrease the sharpness.
	•	Press	to increase the sharpness.
H. Position	•	Press	to move the image left.
(Horizontal
	•
Position)		Press	to move the image right.
V. Position	•	Press	to move the image down.
(Vertical
	•
Position)		Press	to move the image up.
	Changes the projector’s refresh rate to match the frequency
Frequency	of your computer’s graphics card. If you experience a vertical
	flickering bar in the projected image, use this function to
	correct it.
	Synchronizes the signal timing of the display with the graphics
Tracking	card. If you experience an unstable or flickering image, use
	this function to correct it.

Choose "On" to enable DLP 3D function.

	•	On
	Select this item while using DLP 3D glasses, quad buffer
3D	(NVIDIA/ATI...) graphics card and HQFS format file or DVD
	with corresponding SW player.
	•	Off
	Turns off 3D mode.