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3-21
MVX 128 A VGA Matrix Switchers • Operation
PRELIMINARY
Using global presets
The current confi guration (confi guration 0) can be saved as a preset in any one of
32 preset memory addresses. Preset locations are assigned to the input buttons and
output buttons. Up to 20 presets can be selected from the front panel to be either
saved or retrieved. When a preset is retrieved from memory, it becomes the current
confi guration.
N • Only the audio and video ties are stored and recalled; audio gain settings are
not saved, and they do not change when a preset is recalled.
• Presets cannot be viewed from the front panel unless recalled as the current
confi guration. Presets can be viewed using Extron’s Windows-based control
program. See Chapter 5, Matrix Software, for more details.
• The current confi guration and all presets are stored in non-volatile memory.
When power is removed and restored, the current confi guration is still active
and all presets are retained.
• When a preset is recalled, it replaces the current confi guration, which is lost
unless it is also stored as a preset. The recalled preset overwrites all of the
current confi guration ties in favor of the preset confi guration ties.
• Preset numbers greater than 20 (that are too high to be available from the
front panel) are still accessible under RS-232/RS-422 control.
• Figure 3-32 shows the presets associated with the various input and output
buttons.
Preset
1
Preset
5
Preset
10
Preset
2
Preset
11
Preset
3
Preset
8
Preset
12
Preset
6
Preset
7
Preset
4
Preset
13
Preset
17
Preset
14
Preset
15
Preset
20
Preset
18
Preset
19
Preset
16
NOTE Presets 21 through 32 are
available via RS-232/RS-422
control only.
Preset
9
1
1
2
2
3
3
4
4
5
5
6
INPUTS
OUTPUTS
6
7
7
8 9 10 11 12
8
Figure 3-32 — Preset locations
Example 6: Saving a preset
The following steps show an example in which the current confi guration is saved as
a preset. The steps show the front panel indications that result from your actions.
1. Press and release the Esc button (fi gure 3-33).
ENTER PRESET VIEW ESC
CONTROL
Press the Esc button to clear all selections.
The LED blinks once.
= Blink once
1
1
Figure 3-33 — Clear all selections