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33
Operations
CONTENTS
Notes
• Automatic adjustment may not be performed properly for signals other than those computers’
signals with which the projector is compatible.
• The horizontal position, vertical position, sampling phase and sampling frequency can also be
adjusted from the menu screen
46
.
* Sampling frequency
Analog RGB signals input from the computer are converted into digital signals inside the
projector. The sampling frequency is the number of times per second the analog signals are
converted into digital signals. In order to capture (sample) each individual dot of the
computer’s signals, the sampling frequency must be adjusted to match the computer’s dot
clock frequency. If this adjustment is off, details of the image details may be blurred, a striped
pattern may appear if images with many vertical lines are displayed, or the image’s width may
change. For computer signals with which are projector-compatible, the sampling frequency is
adjusted automatically even when the AUTO SET button is not pressed.
* Sampling phase
The sampling phase is the timing at which the computer’s analog RGB signals are sampled. If
the sampling phase is off, the individual dots cannot be sampled at the proper timing, resulting
in blurred or flickering images.
Adjusting the picture automatically
1
2
MENU
ON /
INPUT
ENTER
CT-90106
KEYSTONE
AUTO SET
EXIT /
P.MODE
PIP
FREEZE
MUTE
CALL
RESIZE
VOL
/
ADJ
STANDBY
K
E
Y
S
T
O
N
E
A
U
T
O
S
E
T
E
X
I
T
ON / STANDBY
VOL / ADJ
E
N
T
E
R
M
E
N
U
I
N
P
U
T
F
A
N
T
E
M
P
L
A
M
P
O
N
2
2
You can adjust the optimum horizontal position, vertical position, sampling phase and
sampling frequency for projecting analog RGB signals at the touch of a button.
AUTO SET
AUTO SET
Input full screen video signals from the input
source (computer) and project the image.
Adjustments may not be performed properly for images that are
not displayed on the entire screen or for extremely dark
images.
Press AUTO SET.
The horizontal position, vertical position, sampling phase and
sampling frequency are adjusted automatically.
The icon
appears during signal processing.
Remote control
Control panel
(Main unit side)