Shure Incorporated
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MX690 MX890 Desktop Base and Boundary Micro
phone 3
MX890 Wireless Desktop Base 3
MX690 Wireless Boundary Microphone 3
Features 3
Placement 3
MX890 Microphone Placement 4
MX690 Microphone Placement 4
Receiver 4
Power On/Off 4
MX890 Connecting Gooseneck 5
Low-Cut Filter 5
Battery 5
Installation 5
Power Meter 6
Low Power Indicator 6
Mute Button 6
Toggle (as supplied) 6
Momentary 6
To change between toggle and momentary: 6
To change between push-to-talk and push-to-mute: 7
Mute Indicator 7
MX890 7
MX690 7
Locking Settings 8
Logic Mode 8
Automatic Frequency Synchronization 8
Manual Frequency Synchronization 9
Tips for Optimum Performance 9
Troubleshooting 9
Specifications 9
Frequency Selection 10
Frequency Range 10
Certifications 11
Important Product Information 12
LICENSING INFORMATION 12
Australia Warning for Wireless 12
IMPORTANT SAFETY INSTRUCTIONS 13