Sony MVS-8000X System User Manual page 256

Setting the wipe position (Positioner)
There are two methods of setting the wipe position: using the device control
block, or in a menu.
To set the wipe position using the trackball
You can also set the wipe position using the trackball in the device control
block.
1
2
3
4
256
Wipe Settings for Independent Key Transitions
In the device control block, press the [M/E1] or [P/P] button, turning it on.
The buttons in the device control block are assigned to the wipe position
setting as follows.
Table 1: Buttons and assigned settings
Button name Setting
K1 CB1 Wipe position for independent key 1 transition
K2 CB2 Wipe position for independent key 2 transition
K3 Wipe position for independent key 3 transition
K4 Wipe position for independent key 4 transition
Table 2: Buttons assigned to functions
Button name Function
POS Toggle Position on or off.
X, Y Fix the operating direction.
CTR Return the pattern position to the center of the screen.
Press one of the buttons in Table 1 above, to select the wipe position to
which the operation applies. Multiple selection is possible.
Notes
By setting the operation mode in setup, you can also use [K1 CB1], [K2
CB2], [K3], and [K4] to select keys 5 to 8. In this case, press [SHIFT],
turning it on, then press [K1 CB1], [K2 CB2], [K3], or [K4] to select one
of keys 5 to 8. However, it is not possible to select more than one key.
For details of assignment for keys 5 to 8, see "Assigning Buttons for
Selection of Keys 5 to 8 in the Setup Menu" in the Appendix (page 459).
Press the [POS] button, turning Position on.
Move the trackball or joystick, to set the wipe position. By pressing the [X]
button, turning it on, you can restrict movement to the horizontal direction,