Nissei NS-508 Instruction Manual Download Page 2

 

 

 

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MIC. Output Connector : 

Please use an interconnector cable that is compatible with your 

transceiver. 

 

output connector are available separately for “Kenwood/Yaesu” and “Icom” transceivers. 

Cable

 for Amateur Radio Transceivers 

 

KENWOOD

  : NS-73K, NS-24K 

 

ICOM

       : NS-73K, NS-24I 

 

YAESU

 

   : NS-73Y, NS-24Y    

24 type

”- 8 pin Round connector.   

73 type 

– Western connector (RJ connector) 

 

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FM/SSB Selector Switch

 :The selector switch for microphone output audio quality.         

     When FM mode operation, it produces clear voice quality with wide frequency 

   

 

     characteristics and when in SSB mode operation, it produces sharp and   

   

 

 

  crisp voice quality for effective “DXing”.   

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Selector For Output 

 

K

ENWOOD/YAESU  : For 

KENWOOD 

or 

YAESU

ICOM 

    

For 

ICOM

 ONLY 

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Output Adjustment Volume

: This is the adjustment volume for output voltage. It is 

  factory-adjusted to have 10mV RMS Output voltage.    When you need 

adjustment, turn the slot of variable resistor with a 3mm wide screw 
driver slowly and carefully.    Turn to clock-wise for higher output. 
Please be sure to make this adjustment at the Compressor Level Switch 
(9), “HIGH” position. 

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Battery Cover

 : Remove the COVER and put the 2 pieces of    UM3 batteries into the space   

 

 

     

 

correctly. 

(The 

batteries are not provided with this microphone.) 

 
 
 

CAUTIONS

 

Please be sure to use    Interconnection microphone cable optionally available. 

When using a external power adaptor, please be sure to use our external power adaptor optionally 

available. 

Please be careful about high SWR of antenna and incomplete earthing, since it may cause the trouble of 

  RF feedback noise depending on coaxial cable layout. 

Please turn the power switch “OFF” after QSO. 

It is better to remove batteries from microphone when you do not use the microphone over than 3 

months. 

Do not place this microphone near high temperature area or under direct sunlight. 

                                         

 

 

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