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185Names and Functions of Parts of the Control Panel
Chapter 2 Menus and Control Panel
axis of the image in the x- and y-
directions, and the Z-ring moves the
axis in the z-direction.
ASP PERS (aspect/perspective): When
the [SRC] button is lit, pressing this
button enables the trackball to control
the x- and y-directions independently,
and the Z-ring controls the x- and y-
directions together, to vary the aspect
ratio. When the [SHIFT] button is held
down and this button is pressed, the
trackball controls the skew of the
image in the x- and y-directions.
When the [TRGT] button is lit,
pressing this button enables the
trackball to control the perspective of
the image in the x- and y-directions.
The Z-ring controls the distance to the
viewpoint.
LOC (location) SIZE: When this button is
lit, the Z-ring controls the image size.
The trackball moves the image in the x-
and y-directions.
LOC (location) XYZ: When this button is
lit, the trackball moves the image in the
x- and y-directions, and the Z-ring
moves the image in the z-direction.
SHIFT: While holding down this button,
pressing the [ASP PERS] button or
[ROT] button switches to the shifted
version of the corresponding function.
CLR WORK BUFR (clear work buffer):
Press this button once to clear only the
three-dimensional transform
parameters of the information held in
the work buffer. Press twice in rapid
succession to clear all of the
parameters, and return to the default
state.
ROT (rotation): When this button is lit, the
trackball rotates the image about the x-
and y-axes, and the Z-ring rotates the
image about the z-axis.
Pressing this while holding down the
[SHIFT] button enables rotation of the
image in the “Spin” mode. The
trackball and Z-ring operate in the
same manner.
X, Y, Z: These restrict which axes the
trackball and Z-ring can control. You
can select more than one.
When one of these buttons is selected,
you can enter the parameter value for
the corresponding axis using the
numeric keypad control block.
CTR (center): Pressing this button
changes the values of the three-
dimensional parameters currently
controlled by the trackball and Z-ring
to the closest detent values.
Pressing twice in rapid succession
returns the parameter values to their
defaults.
When the VTR operation mode is
enabled
LOCAL (DELAY): Press this button,
turning it on, to enter a delay value
from the numeric keypad control block.
GLB (STB OFF: standby off): Press this
button to switch to standby off mode.
SRC (REC: record): Press this button at
the same time as the [Y] button to
record on the VTR.
TRGT (STOP): Press this button to stop
the tape.
AXIS LOC (START TC: start
timecode): Press this button to set the
timecode of the start point. Each time
you press the button, the start point
changes.
ASP PERS (STOP TC: stop timecode):
Press this button to set the timecode of
the stop point. Each time you press the
button, the stop point changes.
LOC SIZE (VAR: variable speed
playback): Pressing this button and
turning the Z-ring plays back the tape at
a variable speed and direction
proportional to the rotation angle of the