Jim,
I've used the 998 on the 2000, 480, and currently on the 590. None of
them provide enough current to power the 998, so you would need to
provide external power.
Since the 998 is rated for legal limit (never tried that) it just needs
more current than the radio can provide.
73, Steve KW3A
On 10/8/2014 4:52 PM, Jim Shaffer wrote:
> Steve, I have the 993B and the interface cable, and that cable does indeed
> provide power to the 993B. zI'm using a TS-590 though. Maybe the 590 would
> power the 998 too? I don't know.
>
> -----Original Message-----
> From: Steve Forst
> Sent: Wednesday, October 08, 2014 2:53 PM
> To: [log in to unmask]
> Subject: Re: MFJ 998 External Auto Tuner & Kenwood TS-2000
>
> Richard,
>
> You would need to power the 998 with external power. It needs (if I
> remember) about 1 amp at a nominal 12 vdc. The connection to the
> radio via the interface cable does not provide power to this tuner,
> since the current draw is greater than what the radio provides on that 6
> pin molex connector.
>
>
> The 998 is rated for full legal limit, so maybe overkill for your
> station. Also it doesn't cover 6 meters.
>
> There are tuners rated at less power than the 998 which get the needed
> 12 vdc from the tuner, but you could power the 998 via a proper sized
> wall wart, or even the station's main power supply.
>
>
> There is also a remote version of the 998 which could be mounted at the
> base of your vertical, but I'm not familiar with this one.
>
> Some have had QC issues with this tuner and others weren't happy for
> some reason or another, but I have had one for about 6 years with no
> problems.
>
> If it can't find a match, it will give a series of long beeps after a
> very long tuning attempt. It has a crude system of beeps for giving a
> swr readout, but i really don't use it. There are menus, but they
> wrap around and you would need sighted help to get things setup
> (maybe). It's been years, and I don't recall ever needing to get back
> into menus for anything.
>
>
> I think the 993 is the little brother, rated at less power. Cheaper
> and maybe draws power from the rig, but not positive.
>
> 73, Steve KW3A
>
>
>
> On 10/8/2014 3:02 PM, Richard B McDonald wrote:
>> Hi!
>>
>>
>>
>> I am thinking about getting the MFJ 998 external auto antenna tuner
>> <https://www.hamcity.com/store/pc/MFJ-998-p293.htm> together with the MFJ
>> 5114K interface cable
>> <http://www.hamcity.com/store/pc/MFJ-5114K-p2127.htm>
>> for my Kenwood TS-2000. Supposedly, with this setup, 1) there is no need
>> for a separate power supply and 2) the TS-2000 interfaces with the MFJ
>> 998.
>>
>>
>>
>> Is this true? Does the tune function operate by using the TS-2000's
>> "tuner"
>> button? Are CW squawks heard if (and if not) a match is attained?
>> Generally, is this basically a seamless integration with the TS-2000, and
>> is
>> this a "good" setup?
>>
>>
>>
>> 73,
>>
>> Richard KK6MRH
>>
>>
>>
>
>
>
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