Acer P7290 User Manual - Page 35

H. Position, Frequency and Tracking functions

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23 English Menu Location H. Position (Horizontal position) Rear-Desktop • When you select this function, the projector reverses the image so you can project from behind a translucent screen. 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. Choose the menu location on the display screen. • Press to move the image left. • Press to to move the image right. V. Position • (Vertical position) • Press Press to move the image down. to move the image up. Frequency Tracking Sharpeness "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. 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. 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.

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23
English
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.
Rear-Desktop
•
When you select this function, the projector reverses the image so
you can project from behind a translucent screen.
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.
Menu Location
Choose the menu location on the display screen.
H. Position
(Horizontal
position)
•
Press
to move the image left.
•
Press
to 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.
Sharpeness
Adjusts the sharpness of the image.
•
Press
to decrease the sharpness.
•
Press
to increase the sharpness.