you are exactly correct  I will do my best to find those resistor values if you can't test the existing mic to determine the resistor values
On Jun 18, 2012, at 4:08 PM, Butch Bussen wrote:

> What I want is a box that duplicates the microphone I have with 4 
> function buttons so I can use my desk mike.  I read somewhere that the 
> functions are selected by each button grounding a different value 
> resistor.
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
> 
> 
> On Mon, 18 Jun 2012, Mike Cozzolino wrote:
> 
>> hello butch, can you explain a bit more what kind of box you want for
>> your 4 mike buttons?  maybe i can help.  c u 73 mike w6quv
>> 
>> 
>> 
>> At 10:08 AM 6/18/2012, you wrote:
>>> I went to the link someone posted yesterday, think it was myhamdables.com,
>>> anyhow I wrote the guy and ordered a cross band repeat cable so I can tie
>>> my 590 to my tmv-71a.  He charged $25 which I was pleased with.  I asked
>>> him about building me a box so I could use 4 function mike buttons on my
>>> desk mike.  I think someone here did that once.  Does anyone have info on
>>> doing that, what pins, and what value of resistor for each function?
>>> 
>>> Thanks.
>>> 73
>>> Butch
>>> WA0VJR
>>> Node 3148
>>> Wallace, ks.
>> 
>>