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AUDIO
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AUDIO
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MPS 409 Setup Guide
This guide provides basic instructions for an experienced technician to install, set up, and
®
operate the Extron Media Presentation Switcher, MPS 409. Where possible in the following
pages, line drawings are used to clarify steps discussed in the text. Installation and service
must be performed by authorized personnel only.
Installation
Step 1— Disconnect Power
Remove power from the switcher and all other devices that will be connected.
MIC PROGRA
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MPS 409 Setup Guide (Continued) Setup and Operation — Video Switching The MPS switcher can be connected to as many as nine input devices simultaneously and operate in one of four switching modes: single (the default), separate, single combined, or separate combined. To view the current mode, press and hold the Mode button (VGA/YUV input #1). The associated mode LEDs (single, separate, single+combined, or separate+combined) will light. Single Switcher Mode Single switcher mode emulates one sw
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MPS 409 Setup Guide (Continued) In separate-combine mode, only one input selection is allowed from the HDMI/DVI groups along with a single input selection from the VGA/YUV group and another from the Video group. So there will only be three front panel input Combined Switcher Mode LEDs lit in combined mode rather than four when in separate switcher mode. MIC PROGRAM AUDIO VGA/YUV INPUTS DVI INPUTS HDMI INPUTS VIDEO INPUTS MUTE MUTE To enable combined switcher mode: 1 2 1 2 1 2 3 1 2 EXEC Pr
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MPS 409 Setup Guide (Continued) Setting the M icrophone Talk-Over Threshold Microphone threshold (the volume where vocal audio is detected) and the program audio level during talkover are adjustable via SIS commands. See Audio Adjustments in the MPS 409 UserGuide for additional SIS commands. 1. Speak into the microphone in a normal voice. The main program audio level should drop moderately. If not, adjust the microphone threshold level. 2. Stop speaking into the microphone. Main program
