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FOLD IN HALF

QUICK REFERENCE

  

NoizeBarrier

®

 Micro Comms Kit 

SINGLE EAR KIT  

Please refer to the Eartip Installation section before beginning the next steps.

1

 

Adjust the acoustic tube so that it will rise vertically over the top of the 
ear, curve over, and direct back towards the nape of the neck. 

2

 

 Install the acoustic tube into an earphone or surveillance kit as usual. 
The volume of communications received can be controlled by the radio. 

ENHANCED SINGLE AND DUAL EAR KITS

1

 

Refer to the Eartip Installation and confirm proper eartip placement.

2

 

Follow Single Ear Acoustic Tube Installation directions.

To change the transducer:

1

 

Holding the earphone assembly cable, rotate down and out of the 
strain relief holder pulling it straight out of the transducer.

2

 

Push the clothing clip out to a 90° angle revealing the open slot. 

3

 

Insert a flat object (like a flat-head screwdriver) into the opening and 

pry the transducer off. Snap the new transducer in its place.

4

 

Plug the cable into the new transducer (Note that the 2 pins on the 
cable are different sizes and will only fit back into the transducer one 

way). Rotate the wire back into the strain relief holder securely.

HEARING PROTECTION WARNING

OTTO products are designed to produce a specific audio output level at 
maximum rated power. Modifying these devices in any way including 
adding or removing components or accessories may change the audio 
output of the device and could result in PERMANENT HEARING 
DAMAGE. Many countries have regulations defining the amount of 
noise that an individual can be subjected to during a normal workday. 
The duration of exposure, the level of audio output, and the level of 
ambient noise will affect compliance with these regulations. Compliance is 
application dependent and standards vary. It is the SOLE RESPONSIBILITY 
of the end-user to determine the applicability of and compliance with local 
hearing protection regulations. Also, if purchasing any OTTO accessories 
which use earphone kits, it is the SOLE RESPONSIBILITY of the user 
to determine proper fit. Always use caution when inserting any of the 
products into your ear.

POWERING ON/OFF 

Consult the NoizeBarrier

®

 Micro user guide for directions on how to 

properly power on and off the Micro.

Transducer

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