John:

Well, now the trick is to find out how to do it, and whether sighted 
assistance will be needed.

Sometimes, I get to thinking that it might be best just to leave well enough 
alone.

Will see what the Kenwood tech support guy says, although my experience has 
been that they haven't been all that helpful.

73 from Tom Behler: KB8TYJ

----- Original Message ----- 
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, May 14, 2007 8:40 AM
Subject: Re: changing mike gain on tmv7a


> No one said you can't, they just said you need to go in the service menu 
> to
> do it and there is no other way. I know that's true with the TMg707A and 
> the
> radios aren't all that different internally.
> ----- Original Message ----- 
> From: "T Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, May 14, 2007 8:24 AM
> 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
>>>
>