as long as the interface cable is connected the radio tune button will work 
the external tuner and internal tuner will no longer work, if you only have 
the coax connected, that's not the case, just to clarify.
----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, September 17, 2010 2:48 PM
Subject: Re: auto antenna tuner


> If we are on the same page here, interfacing the external tuner to the
> radio overides the internal tuner.  So you really don't have to "turn
> off" the internal tuner.  Pushing the tune button on the radio will
> activate the external tuner and the internal tuner is bypassed.   That's
> why I had said that if you were trying to use both tuners at the same
> time you would need to break that interface connection, either
> physically, or in a menu.  Or just not interface at all and use the tune
> buttons on the radio and tuner independently.
>
> Another thing to consider is that some of these tuners will attempt to
> tune automatically when rf is detected and swr is high.  At least in the
> MFJ unit, this can be bypassed, perhaps in the LDG as well.
>
> 73 Steve KW3A
>
> 73, Steve KW3AOn 9/17/2010 2:30 PM, Butch Bussen wrote:
>> O.k., so if I don't want to use the internal tuner on the 2000, if I just
>> turn it off on the front pannel, would the radio still interface to an
>> external tuner?
>> 73
>> Butch Bussen
>> wa0vjr
>> open Node 3148
>> Las Vegas