Owner's manual
MM200
Water-resistant transmitter 
Users Quick Guide 
 
 
WARNING! TO PREVENT WATER DAMAGE or INTERNAL CORROSION! 
If the transmitter is wet (either due to immersion or high levels of perspiration), DO NOT OPEN any covers or 
connectors. BEFORE OPENING, carefully blot the transmitter dry with a clean paper towel or cloth. Remove all 
visible signs of moisture and tap the transmitter on a soft surface such as your hand to shake any retained 
mositure loose from under the O-rings. After opening any connector or cover, carefully blot up any remaining 
moisture that may have remained around the seal or fallen into the threads. THIS IS IMPORTANT!  DO NOT 
CLOSE ANY COVER OR CONNECTOR BEFORE MAKING CERTAIN THERE IS NO MOISTURE IN OR NEAR 
THE OPENING.  After use, it is critical to store the transmitter in a dry place with all covers and connectors 
opened to allow any internal humidity to evaporate.  Do NOT store wet or sealed up. 
 
DO NOT IMMERSE 
-10 
-20 
POWER 
LECTRO 
UHF 
SN: P 216 
ANTENNA 
AUDIO 
LEVEL 
MIC 
to mic 
A
A 
B
A
T
T
E
R
Y 
MM400 
To reverse or 
remove belt clip -
 
 
 
 
  
 
 
 
To turn Unit ondry 
 
 
 
 
 
  
 
  
 
 
 
 
To set the mic level  
 
 
  
 
 
To set frequency 
 
 
 
  
 
 
  
 
 
Power output   
Battery life   
 
 
Battery   
 
®
    
 
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