On 12/14/2012 1:56 PM, Steve Forst wrote:
> When you hook up, connect the cable, and power the tuner first.  Then
> when you power up the radio it will recognize the tuner (hopefully).
> I'm not sure the radio will see the tuner if  you do it the other way
> around (radio powered first, then tuner).
>
> 73, Steve KW3A
>
> On 12/14/2012 1:44 PM, Rick wrote:
>> On 12/14/2012 11:44 AM, Steve Forst wrote:
>>> While the AT-300 has long been discontinued, it is still the "standard"
>>> that Kenwood radios  interface with.  Other external auto tuners will
>>> emulate the AT-300 when interfacing with Kenwood radios.   I'm fairly
>>> sure that if you can figure out the pin outs from the tuner cable, you
>>> can connect it to the molex jack on the radio  and then just use the
>>> radio's tune button to auto tune.    There may well be some pre made
>>> cables out there if you dig around.   If you check the e-ham  product
>>> reviews, there are guys who will do custom interface cables at
>>> reasonable cost.
>>>
>>> There is also a trick of putting  a 10k ohm resistor between the center
>>> 2 holes of the molex jack on the radio. While this doesn't control the
>>> auto tuner  automaticly, when you hit the tune button on the radio, it
>>> bypasses the internal tuner,  switches the radio to CW and lowers power
>>> to 10 watts.  Then you tune the tuner, and when it is matched, hit the
>>> radio's tune button again to return to original mode and power setting.
>>>       I've never done this and am going from memory, so confirm from
>>> another source before trying this.
>>>
>>> 73, Steve  KW3A
>> thanks, I'll check into those cables.
>> Mean while I have a At-250 or 200, not sure connected to my TS-50 that
>> I'm going to try.
>> It has the correct plug on it.
>>
>> thanks, and 7 3.
>>
>>
>>
Thanks, I'll do that.