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Front Panel Operation
Outputs 1 and 2 —
LED for that input lights.
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When power is applied, the LEDs light sequentially from left to right. For first time power
up, the unit's default configuration is input 1 tied to both outputs 1 and 2, the front panel is
not locked, and all states are unmuted. Input 1 LEDs for output 1 and for output 2 are both
lit. If this is not a first time power up, then the LEDs for the last valid input selections light.
Front panel security lock out (executive mode)
Locking the front panel protects the switcher from unwanted tampering. While the switcher is
locked, the user can select inputs only through a remote device.
To lock or unlock the front panel, press the following buttons simultaneously and hold them
for at least 3 seconds:
• For output 1 press and hold input 1 button. • For output 2 press and hold input 3 button.
The front panel LEDs flash to indicate that the
front panel is locked.
System reset
To reset the switcher to its factory settings, press and hold output 1's input 3 button while
powering up the switcher.
Audio switching
When you selecting an input, the audio and video signals from that input are routed together
to the appropriate output.
Audio breakaway is possible through the Extron Simple Instruction Set (SIS) or the Extron
Universal Switcher Control Program. When audio breakaway is active, the front panel input
LED for the audio source flashes, while the LED of the video source lights steadily.
Device Control
Output control
Momentarily short the rear panel Remote contact pin 1, 2, or 3 for the desired output to ground
to switch to that input.
Use the +5 V port when controlling the output with an MMX 32 AAP/MAAP panel.
RS-232 Control
Software control via the RS-232 connection is possible using the Extron Simple Instruction Set
(SIS) or the Extron Windows
The RS-232 connector on the MMX 32 VGA MTP is a 3-pole captive screw connector.
The protocol for this connector is:
• 9600 baud • 8-bit • 1 stop bit • no parity • no flow control
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For RS-232 connect transmit, receive, and ground connectors to the control system or PC.
Software control
Installation — Insert the supplied Extron DVD into DVD drive on a PC that is connected to
the MMX. The installation window opens automatically.
Select the Software tab, scroll to the Universal Switcher control program, and click on Install.
Follow the on-screen instructions to complete installation.
Startup and use — To start up the installed software, click on the desktop icon.
To use the software, refer to the MMX 32 VGA MTP Users's Guide, available online at
www.extron.com, for details.
For each output press the button for the desired input (1, 2 or 3). The
®
-based control program.
OUTPUT 1
1
2
3
Press and hold Input 1
Button for Output 1.
OUTPUT 2
1
2
3
Press and hold Input 3
Button for Output 2.
3
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