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(Continued on Back)

FOREWORD

This device complies with part 15 of the FCC Rules. 
Operation is subject to the following two conditions:
 (1) This device may not cause harmful interference

(2) This device must accept any interference received, 

including interference that may cause undesired 
operation.

DESCRIPTION

The Mobile Keypad Microphone (Mic) (Motorola

®

 Kit 

numbers are mentioned in the title above) is a full keypad 
handheld microphone. The keypad on this microphone is 
intended to assist in navigating through the menus on its 
parent device, as well as entering information such as phone 
numbers and menu picks. 

INSTALLATION

1.

Refer to illustration below and attach hangup clip (1) to 
vehicle using the two sheet metal screws and back-up 
plate provided. Place back-up plate (4) behind 
dashboard. Use flat-head screw (2) in top mounting hole 
and hex-washer screw (3) in bottom mounting hole. Be 
certain mounting screws fasten into holes in back-up 
plate.

ITEM 

NUMBER

MOTOROLA 

PART NUMBER

DESCRIPTION

1

0180757T98

Hang-up Clip

2

0312002C01

Flat-Head Screw

3

0312002A01

Hex-Washer Head Screw

4

0780257N01

Back-up Plate

1

2

3

4

MAEPF-26073-O

Vehicle

Dashboard

2.

Insert button on rear housing of Mic into hang-up clip.

3.

Insert the GCAI plug on the radio end of the Mic cord into 
the GCAI jack on the front of the radio.

4.

Turn the locking collar on the radio end of the Mic cord 

¼

 

turn clockwise to secure it in place.

DISCONNECTING MIC FROM RADIO

1.

Turn the locking collar on the radio end of the Mic cord 

¼

 

turn counter clockwise.

2.

Pull cable from GCAI connector to release.

OPERATION

Press PTT switch before speaking into Mic. Position Mic 
about 1-inch away from mouth and speak into Mic in a normal 
voice.

TROUBLESHOOTING

Troubleshooting of Mic is limited to determining whether the 
inoperable condition of a Mic is caused by a faulty Mic Cord 
or a faulty Mic Head. To make this determination and correct 
the fault, replace the Mic Cord with the spare first. If replacing 
the Mic Cord does not restore operation, replace the Mic 
Head. The Mic Cord and Mic Head are not repairable items, 
therefore they must be replaced when they are determined to 
be faulty.

REPLACING MIC CORD

Removing Cord from Mic Body

1.

Refer to illustration on next page. Grasp locking collar 
and, while pushing it firmly towards Mic body, turn it 
counterclockwise 

¼

 turn to disengage it from Mic body.

2.

Disconnect cord from Mic body by pulling TELCO 
connector (which has no tab on it) out of TELCO jack on 
circuit board inside Mic body.

Installing Cord Into Mic Body

1.

Slide locking collar on Mic end of cord away from TELCO 
plug and past strain relief on cord.

2.

Orient TELCO plug on Mic end of cord so that it aligns 
with TELCO jack inside Mic body and its contacts face 
rear of Mic housing.

3.

Pass TELCO plug through hole at bottom of Mic body 
and plug it into TELCO jack on circuit board inside Mic 
body. 

4.

Slide locking collar back up on cord with tabs on its sides 
facing sides of Mic body.

5.

Push locking collar firmly into hole at bottom of Mic body 
then turn it 

¼ 

turn clockwise to secure it in place.

*6881097C72*

MOBILE MICROPHONE

HMN4079_, HMN4108_, HMN4109_, 

HMN4110_, HMN4111_

© 2005, 2008, 2010, 2013 by Motorola Solutions, Inc.  

 

All rights reserved.

 

MOTOROLA, MOTO, MOTOROLA SOLUTIONS and the Stylized M 
logo are trademarks or registered trademarks of Motorola Trademark 
Holdings, LLC and are used under license. All other trademarks are 
the property of their respective owners. 

6881097C72-T

97C72_Text.fm  Page 1  Friday, May 10, 2013  9:33 AM

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