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MVX 128 A VGA Matrix Switchers • Operation
3-2
Operation
PRELIMINARY
Front Panel Controls and Indicators
The front panel controls (fi gure 3-1) are grouped into two sets. The input and
output buttons are grouped on the left side of the control panel. The control
buttons and video/audio (I/O) selection buttons are grouped on the right side of
the panel.
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
9 10 11 12
INPUTS
OUTPUTS
AUDI O
VIDEO
I/O
CONTROL
ENTER
PRESET
VIEW
ESC
MVX SERIES
VGA MATRIX SWITCHER WITH ADSP
TM
6 7 8 93
1 3
2 4 5
Figure 3-1 — Front panel, MVX 128 A
Defi nitions
The following terms, which apply to all Extron matrix switchers, are used
throughout this manual:
Tie — An input-to-output connection.
Set of ties — An input tied to two or more outputs. (An output can never be tied
to more than one input.)
Confi guration — One or more ties or one or more sets of ties.
Current confi guration — The confi guration that is currently active in the
switcher (also called confi guration 0).
Global memory preset — A confi guration that has been stored. Up to 32 global
memory presets can be stored in memory. Preset locations are assigned to the
input buttons and output buttons. Up to 20 presets can be selected from the
front panel for either saving or retrieving. When a preset is retrieved from
memory, it becomes the current confi guration. The switcher has 32 presets;
preset numbers higher than 21, too high to be available from the front panel,
are still accessible under RS-232/RS-422 control.