the 710 head is a little different, but you can use the v71 or the 710 
control head on both radios...as well as some of the other brand radios like 
yaesu etc.
you can use the 710 head, for instance, on an FT8900 apparently.

73
Colin, V A6BS
----- Original Message ----- 
From: "Butch Bussen" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, January 04, 2012 3:29 AM
Subject: Re: getting started with the tmv7a


>I think he said he had the tm-v7a which is a totally different radio and
> uses a different voice board.  you can't turn that radio into a 71.
> Where do people come up with this stuff!!!!  I still have an old v7 and
> although it doesn't talk as much as the 71, it is a usable radio.  I
> think you can enter frequencies from the mike.  I'll look and see what
> notes I have.  Make sure of the model so we're giving you the right info
> on the right radio!!!  The 71 is the same radio as the 710, but the
> control head is different for packet and so forth.
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
>
>
> On Tue, 3 Jan 2012,
> Tom Behler wrote:
>
>>        Pat:
>>
>> Are you sure your rig is a TMV7A, and not a TMV71a right out of the box?
>>
>> As far as I know, you can't get TMV7A's new any more--just used.
>>
>> If you actually have a TMV71A, the firmware upgrading is pretty straight
>> forward, and I can send you the instructions I have to accommplish it if
>> you'd like me to.
>>
>> Actually, I should probably check the firmware version I have on all 
>> three
>> of mine--the one in the home shack, the second in our vehicle, and the 
>> third
>> in the motor home.
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message -----
>> From: "PATRICK GORMLEY" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, January 03, 2012 9:40 PM
>> Subject: getting started with the tmv7a
>>
>>
>>> I got a surprise gift for Christmas a Kenwood tmv7a.  I understand that 
>>> =
>>> there is a firmware revision to permit me to upgrade it to a tmv71a.  I 
>>> =
>>> have the touchtone mic with it and apparently you can't program it from 
>>> =
>>> that mic but I'm not sure.  The synthesizer in it is the vgs1.  It seems 
>>> =
>>> to have a much better receiver in it than my ic2100H which if it will =
>>> fit can go in the car since my xyl tina is also a ham.  73- pat kk3f
>>>
>>
>>
>