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4. Deselect video and select audio: Press and release the I/O button.
7
6
2 4
1
INPUTS
OUTPUTS
8
3
6
4
5
5
I/O
AUD
VID
+dB
-dB
The Output 3 LED lights to indicate that output 3 is selected and it is receiving audio.
The source is indicated by the Input LED.
The Output 8 LED also lights to indicate that output 8 is receiving audio from the
indicated input.
The Input 5 LED lights to indicate that the audio from this
input is tied to output 3 (and to all the other lit outputs).
Press the button.
The video LED is off
when video is deselected.
The audio LED lights
when audio is selected.
5. Allow the 5-second input and output button timeout to deselect the output.
Using Presets
The current configuration (configuration 0) can be saved as a preset in any one of 16 preset
memory addresses. Each switcher has as many presets available from the front panel as it
has input and output buttons. For example, the MVX 44 has 8 presets (4 input buttons and
4 output buttons) available from the front panel and the MVX 88 has 16 (8 input buttons
and 8 output buttons). Figure 11 on the next page identifies preset numbers available from
the front panel for each matrix size; preset numbers above those listed are available under
RS-232 or IR control only (see the “Remote Operation” section).
NOTES: • 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 they are recalled as
the current configuration. Presets can be viewed using the Extron Matrix
Switchers Control Program (see the “Remote Operation” section).
• The current configuration and all presets are stored in non-volatile memory.
When power is removed and restored, the current configuration is still active
and all presets are retained.
• When a preset is recalled, it replaces the current configuration, which is lost
unless it is also stored as a preset. The recalled preset overwrites all of the
current configuration ties in favor of the preset configuration ties.
• All models have 16 presets; on models with fewer than 16 input and output
buttons, preset numbers that are too high to be available from the front
panel are still accessible under serial port or Ethernet control.
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 20