Acer PD724 series - Manual (Page 27)

... English
User Controls

Rear-Ceiling
When you select this function, the projector reverses
and turns the image upside down at same time. You
can project from behind a translucent screen with
ceiling mounted projection.
H. Position (Horizontal Position)
 Press the to move the image left.
 Press the to move the image right.
V. Position (Vertical Position)
 Press the to move the image down.
 Press the to move the image up.
Frequency
“Frequency”changes the display data frequency to match the
frequency of your computer’s graphic card. If you experience a
vertical flickering bar, use this function to make an adjustment.
Tracking
“Tracking” synchronizes the signal timing of the display with the
graphic card. If you experience an unstable or flickering image, use
this function to correct it.
Sharpness
Adjusts the sharpness of the image.
 Press the to decrease the sharpness.
 Press the to increase the sharpness.
Signal Type
Press the or button to change source to RGB, YPbPr or
YCbCr.
 “H. Position”, “V.
Position”, “Frequency”
and “ Tracking” func-
tions are not supported
under DVI and Video
mode.
 “Sharpness” functions
is not supported under
DVI and Computer
mode.
 “Signal Type” is only
available for Com-
ponent, HDMI and
SCART signal sources.
Image
(Computer / Video
Mode)