Shure Incorporated
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Table of Contents
MX690 MX890 Desktop Base and Boundary Micro
MX690 Wireless Boundary Microphone 3
To change between toggle and momentary: 6
To change between push-to-talk and push-to-mute: 7
Automatic Frequency Synchronization 8
Manual Frequency Synchronization 9
Tips for Optimum Performance 9
Important Product Information 12