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Subject:
From:
T Behler <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Mon, 14 May 2007 15:21:39 -0400
Content-Type:
text/plain
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text/plain (146 lines)
    Thanks very much, Steve.

I'll keep this info handy for future reference.

73 from Tom Behler: KB8TYJ

----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, May 14, 2007 2:03 PM
Subject: Re: changing mike gain on tmv7a


> Tom,
>
> The MC-60A will work.  So will an MC-80 (which is what I use), or an 
> MC-85.
> In the case of the latter two mics, you'll have to buy them used.  You'll
> also have to get an adaptor to go from the Kenwood 8-pin connector to an
> RJ45, but those adaptors are readily available from any good ham radio
> store.
>
> Steve
>
> ----- Original Message ----- 
> From: "T Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, May 14, 2007 11:52
> Subject: Re: changing mike gain on tmv7a
>
>
>>    Steve:
>>
>> That desk mic idea actually sounds like a possibility. ... I have three
>> TMV7A's and had actually thought of swapping one of the others out, and
>> putting it into the RV for our trip.
>>
>> I know the others don't have this problem.
>>
>> Then, I could just pick up a desk mic somewhere and use it with the hot
>> one
>> at home as the base unit.
>>
>> Any recommendations on a desk mic that would fit the TMV7A?
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message ----- 
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, May 14, 2007 11:15 AM
>> Subject: Re: changing mike gain on tmv7a
>>
>>
>>> Tom,
>>>
>>> If you use a desk mic with a gain control, you don't even need to worry
>>> about whether there's a gain control on the radio.  Alternatively, you
>>> might
>>> be able to get someone to build you a box with a 10000 Ohm pot to do the
>>> job.  I know these aren't good solutions for using the radio in a mobile
>>> environment, but they would work nicely for a base rig.
>>>
>>> Steve
>>>
>>> ----- Original Message ----- 
>>> From: "T Behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, May 14, 2007 08:24
>>> Subject: Re: changing mike gain on tmv7a
>>>
>>>
>>>>    Colin and all.
>>>>
>>>> Well, this is interesting, and I'll let you guys know what the Kenwood
>>>> tech
>>>> says in response to my inquiry.
>>>>
>>>> What Colin is saying makes sense, but at the same time, I find it
>>>> interesting that a company would make a radio that you can't control 
>>>> the
>>>> mic
>>>> gain on.
>>>>
>>>> Although, come to think of it, HT's are that way--what you hear is what
>>>> you
>>>> get.
>>>>
>>>> Anyway, will keep everyone posted.
>>>>
>>>> 73 from Tom Behler: KB8TYJ
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Colin McDonald" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Monday, May 14, 2007 6:13 AM
>>>> Subject: changing mike gain on tmv7a
>>>>
>>>>
>>>>>I would beg to differ regarding an internal pot for the mike gain on 
>>>>>the
>>>>>tmv7a.
>>>>> If there are any internal pots at all, they control other functions.
>>>>> The
>>>>> audio
>>>>> gain, both receive and transmit are both controlled by the micro
>>>>> processor
>>>>> and
>>>>> not controlled by an analog device.  For instance when you use the
>>>>> microphone
>>>>> remote control feature, and use the volume and squelch adjustment
>>>>> buttons,
>>>>> the
>>>>> radio adjusts those functions, and as soon as you go to adjust them
>>>>> again
>>>>> on
>>>>> the radio, it will default back to what ever it was before you started
>>>>> adjusting from the microphone.  If there was an internal pot that
>>>>> controlled
>>>>> either audio or squelch, this could not be accomplished the way it is.
>>>>> The
>>>>> same holds true for the tx audio.  Since there is an option within the
>>>>> service
>>>>> menu to adjust the tx audio, it wouldn't then also have an internal 
>>>>> pot
>>>>> to
>>>>> adjust since the internal processor is already controlling that
>>>>> function
>>>>> nicely.
>>>>> There are likely surface mount components that could be altered to
>>>>> adjust
>>>>> the
>>>>> gain, in other words, the various information being sent to the
>>>>> processor.
>>>>> 73
>>>>> Colin, V A6BKX
>>>>>
>>>>
>>>>
>>>>
>>>
>>
>>
>>
> 

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