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www.mentorradio.com 

Phone: 216-65-2315  Fax: 216-267-2915 

MB-R-OM-03/11 

MICROPHONE TECHNIQUE 

1.

 

Hold microphone close to mouth (1/4 inch or 1/2 cm) 

2.

 

Enunciate clearly 

3.

 

Speak with average loudness-not softly (but don’t shout) 

 
If a non-noise canceling pedestal (dispatcher’s) microphone is used, it is not as 
essential to hold the microphone close to the mouth.  These microphones will pick up 
more background and room noise, including the voices of other persons talking, radios 
playing, etc. 
 
On the front panel a red LED lights when transmitting.  The MB-R includes a 
transmitter timeout circuit.  This protects the unit from unintended non-stop 
transmission and also frees the channel in the event of a “stuck-mic”.  The transmit 
timeout will shut down the transmitter after approximately 30 seconds of continuous 
transmission.  The unit will not transmit again until after the “PTT” line is released 
and keyed again.  During this time, the unit’s transmit LED will remain turned off. 

  

LIMITED WARRANTY

 

Your Mentor Radio, LLC equipment is warranted to the original consumer purchaser 
only, for one full year, to be free from defects in materials and workmanship under 
normal use.  This warranty does not include damage to the product resulting from 
accident or misuse.  

This warranty will not be effective unless you submit a 

Warranty Registration online at

 www.mentorradio.com .   

 
If the equipment should become defective within the warranty period, we will elect 
to repair or replace it, without charge, if returned, postage prepaid, to the address 
shown below.  We are not liable for defects or damages caused by the use of 
unauthorized replacement parts and/or service.   

 

ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITTNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN 
DURATION TO ONE YEAR.

 Some states do not allow limitations on how long an 

implied warranty lasts, so the above limitations may not apply to you.  

 

MENTOR RADIO, LLC., BECAUSE OF LACK OF CONTROL OVER THE CONDITIONS OF USE 
OF THIS EQUIPMENT, IS NOT LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.  
ANY RECOVERY MAY NOT BE GREATER THAN THE PURCHASE PRICE PAID FOR THE 
EQUIPMENT.

 Some states do not allow the exclusion or limitation of incidental or 

consequential damages, so the above may not apply to you.  This warranty gives 
you specific legal rights, and you may also have other rights which vary from state 
to state.

 

Summary of Contents for MB-R

Page 1: ...adio com Phone 216 65 2315 Fax 216 267 2915 MB R OM 03 11 Model MB R AVIATION BAND VHF RADIO RECEIVER TRANSMITTER Base Station 118 000 136 975 MHz MODEL MB R OWNER S MANUAL Solutions for Advancing Com...

Page 2: ...stals and is followed by a MOSFET frequency tripler stage Receiver selectivity is primarily determined by a six pole 10 7 MHz crystal filter connected between the mixer and I F amplifier The latter co...

Page 3: ...possible Strong nearby signals from transmitters on other channels can block or interfere with reception in any radio receiver If there are other aviation band transmitters and antennas on the airpor...

Page 4: ...style antenna coax cable connector is used A number of acceptable microphone choices exist Whether a handheld aircraft style or a table or desk dispatchers style a transistorized dynamic microphone e...

Page 5: ...8 Audio 4 ohm output Green 9 Audio 500 ohm output Blue 15 14VDC Yellow POWER PLUG 9 PIN Pin Function Wire Color 1 13 8VDC Red 2 Speaker Audio Green 3 4 Ground Black 5 Audio 500 ohm output Green White...

Page 6: ...different ground station In this situation the control may be rotated fully clockwise The squelch control does not affect transmitter operation If the Model MB R has more than one channel use the rot...

Page 7: ...be free from defects in materials and workmanship under normal use This warranty does not include damage to the product resulting from accident or misuse This warranty will not be effective unless yo...

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