[Motorola] TDN8310A DTMF MaxTrac/Radius Mic Help

[Michael Crestohl]

I have one of these fine items which I use with my MaxTrac UHF
radio.  I am having a problem converting it to provide a tone for
the duration the key is pressed from its' present state which is timed
tone operation.


I have been able to find the tone logic board schematic and layout for
the VLN1017A DTMF microphone for the MCX1000 which
shows a jumper(JU3)  that controls this parameter.  
However they are close but not the same.  Can anyone please help me
determine the location of this jumper?  I can't seem to find it on
my mic's tone logic board.


TIA,


73,


Michael 

W1RC


mc@sover.net


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