Chapter 2 Menus and Control Panel
74
Names and Functions of Parts of the Control Panel
Device Control Block (Trackball)
The description below of frame memory
clip operations applies only to the MVS-
8000A/8000G.
The device control block is used for three-
dimensional transform operations using a
DME, for wipe pattern position setting, and
for VTR/disk recorder/frame memory clip
operation.
a Region selection buttons
The operation mode allocated to the device
control block depends on the selection state
of the region selection buttons.
When the [M/E 1], [M/E 2], [M/E 3], and
[P/P] buttons are selected: This
enables the wipe pattern position
setting (positioner) operation mode in
the device control block. You can
select multiple buttons simultaneously.
When the [USER] button is selected: This
enables pattern position setting used
for color backgrounds.
When the [DME1] to [DME8] buttons
are selected: This enables the three-
dimensional transform operation mode
in the device control block.
Press a button, turning it on, to select a
DME channel. You can select multiple
buttons simultaneously.
The number of valid buttons depends
on the number of DME processor
channels installed.
When the [DEV] button is selected: This
enables the VTR/disk recorder/frame
memory operation mode in the device
1 Region selection buttons
3 Trackball
4 Z-ring
2 Operating buttons
5 MENU button
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