Actually, you don't want to use the internal tuner when the amp is on. If
you did, you'd be attempting to match the input of your amplifier instead of
your antenna.
Steve
----- Original Message -----
From: "Butch Bussen" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, September 17, 2010 12:43
Subject: Re: auto antenna tuner
> What I am wondering, if you have this interface, how do you also use the
> tuner in the radio. Maybe I wouldn't have to, but I'd want to use the
> internal tuner when the amp is on. Just wondering how you control both,
> or am I making this to complicated?
> 73
> Butch Bussen
> wa0vjr
> open Node 3148
> Las Vegas
>
>
> On Fri, 17 Sep 2010, Steve Dresser
> wrote:
>
>> John,
>>
>> Do they have an interface for the TS2000?
>>
>> Steve
>>
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, September 17, 2010 11:40
>> Subject: Re: auto antenna tuner
>>
>>
>>> The LDG tuners you can get an interface for and have for a long time, so
>>> you
>>> can hook it to the radio and use the tune button and it will drop the
>>> power
>>> and all.
>>> ----- Original Message -----
>>> From: "Steve Forst" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Friday, September 17, 2010 11:10 AM
>>> Subject: Re: auto antenna tuner
>>>
>>>
>>>> Steve,
>>>>
>>>> Well I did take a deep breath before ordering. While I have never had
>>>> a lot of MFJ stuff, the stuff I've had over the years has all worked
>>>> fine. I know others haven't been so lucky, but I've had this one over
>>>> 2 years with no problems.
>>>>
>>>> I can't compare to the LDG since I've never owned one. At the time of
>>>> purchase I did compare the specs for both. The LDG had 6 meter
>>>> coverage, but I work very little 6M and no amp, so no big deal. The
>>>> MFJ offered higher power (1.5K vs. 1K) as well as the ability to
>>>> automatically lower rf drive and change to cw for tuning, while the LDG
>>>> required you to do all that manually. The MFJ also had the amp relay
>>>> connections. Of course LDG may have something out today with more
>>>> features.
>>>>
>>>> Truth is, I've switched the MFJ and the Palstar manual tuner in and
>>>> out
>>>> of the system a number of times over the past 2 years. Each has it's
>>>> benefits. I would have loved a Palstar auto tuner, but too rich for
>>>> me. The Palstar auto had a motor driven roller inductor and either 1
>>>> or 2 moter driven caps. It just went out of production, but a new
>>>> one
>>>> is coming soon, although I've not seen any specs on it.
>>>>
>>>> 73, Steve KW3A
>>>>
>>>> On 9/17/2010 10:25 AM, Steve Dresser wrote:
>>>>> Steve,
>>>>>
>>>>> How do you think your MFJ auto-tuner stacks up against LDG's AT-1000?
>>>>> I'm
>>>>> sure the MFJ is cheaper, but based on things I've heard about other
>>>>> MFJ
>>>>> tuners, I wonder how reliable the internal components are.
>>>>>
>>>>> Steve
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Steve Forst"<[log in to unmask]>
>>>>> To:<[log in to unmask]>
>>>>> Sent: Friday, September 17, 2010 10:05
>>>>> Subject: Re: auto antenna tuner
>>>>>
>>>>>
>>>>>> Butch,
>>>>>>
>>>>>> I have a MFJ-998 in the shack. I'd give it a 4 out of 5 rating. It
>>>>>> will handle 1500 watts, which is more then my AL-80B or THP solid
>>>>>> state
>>>>>> amp will put out. The problem I think you will find with auto
>>>>>> tuners
>>>>>> including the ones built into the radio is limited matching range due
>>>>>> to
>>>>>> the fixed values of L and C. You won't be able to load your
>>>>>> grandmother's walker on 40 meters.
>>>>>> It has a ton of memories and up and down L and C buttons so you can
>>>>>> find
>>>>>> a match manually if the auto function can't. An optional 20$ cable
>>>>>> will interface to many rigs, and when connected this way hitting the
>>>>>> auto tune button on the rig bypasses the internal tuner, puts the rig
>>>>>> into cw mode at low power for the tune process, then returns to
>>>>>> original mode and power when tuning is complete. If the amp relay
>>>>>> jacks on the tuner are connected between the amp and radio, the amp
>>>>>> will be bypassed during tune up. This relay is also supposed to
>>>>>> prevent the amp from keying in the event of a high swr, but I can't
>>>>>> say
>>>>>> that I've really tested this function fully.
>>>>>>
>>>>>> There are some menus for which sighted help would be needed, but they
>>>>>> are the set it and forget it type of stuff. Things like swr point
>>>>>> at
>>>>>> which it should start looking for a better match, and swr point for
>>>>>> the
>>>>>> amp relay to bypass the amp.
>>>>>>
>>>>>> 73, Steve KW3A
>>>>>>
>>>
>>
>>
>
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