Acer P1341W - Manual (Page 31)

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English
Note: "H. Position", "V. Position", "Frequency" and "Tracking" functions
are not supported under video mode.
Note: "Sharpness" function is not supported under computer mode.
Manual
Keystone
Manually adjusts image distortion caused by tilting
projection (±40 degrees).
The Manual Keystone function is unavailable under
Auto Keystone setting to "On".
Sharpness
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
Changes the projector’s refresh rate to match the frequency
of your computer’s graphics card. If you experience a vertical
flickering bar in the projected image, use this function to
correct it.
Tracking
Synchronizes the signal timing of the display with the
graphics card. If you experience an unstable or flickering
image, use this function to correct it.