Discussion:
[Elecraft] K3 and the LDG AT 600 Pro II
Robert Biamonte
2014-02-05 19:27:02 UTC
Permalink
Hello,
Has anyone connected the K3 to the LDG Auto Tuner 600 Pro II? If so
how did you do it(i know with a cable :) )
73
Rob WB2OMW
Jim Bennett
2014-02-05 20:32:25 UTC
Permalink
Hi Rob,

Up until a few months ago I had been using my K3, going into an Ameritron AL-811 amp, through the LDG AT-600 ProII, and then to an external 4:1 balun, 110 feet of 450 ohm ladder line, and an 88 foot long doublet. I also had the M-600 analog meter connected to the AT-600 ProII.

Nothing special was needed - I ran RG-8X coax from the K3 to the amp, from the amp to the '600, and from the '600 a couple of feet to the 4:1 balun.

The AT-600 was able to tune just about anything that the internal tuner in the K3 did, although not always as low of an SRW - but pretty darn close.

Jim / W6JHB

p.s. - I sold the tuner, meter, and amp to a local buddy and replaced them with the KAT500 and KPA500 for my birthday in November.
Post by Robert Biamonte
Hello,
Has anyone connected the K3 to the LDG Auto Tuner 600 Pro II? If so how did you do it(i know with a cable :) )
73
Rob WB2OMW
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Dennis Moore
2014-02-05 23:07:54 UTC
Permalink
Coax from the K3 to the LDG tuner, coax from the tuner ANT 1 output to
the balun (running a doublet). 12v to the tuner. Change freq on the K3,
TUNE on the K3, and let the LDG do its job. No control cables or
anything special needed.

73, Dennis NJ6G
Post by Robert Biamonte
Hello,
Has anyone connected the K3 to the LDG Auto Tuner 600 Pro II? If so
how did you do it(i know with a cable :) )
Robert Biamonte
2014-02-06 03:18:25 UTC
Permalink
Of course I just thought of the phraseology, I am looking for a control cable like the ones made for Yaseu and Kenwood. This cable would reduce the K3 power to Tune level and return the power to normal when the Tune button is released on the K3. Operating like the built in antenna tuner on the K3.


73
Rob
Don Wilhelm
2014-02-06 05:02:24 UTC
Permalink
Rob,

Take a look at the manual for CONFIG: TUN PWR - that will set the power
level used for a TUNE.
If set to NOR, it will follow the power knob, but otherwise will TUNE at
the power set in the menu.

ATU TUN is different than TUNE.

73,
Don W3FPR
Post by Robert Biamonte
Of course I just thought of the phraseology, I am looking for a control cable like the ones made for Yaseu and Kenwood. This cable would reduce the K3 power to Tune level and return the power to normal when the Tune button is released on the K3. Operating like the built in antenna tuner on the K3.
Robert Biamonte
2014-02-06 11:39:14 UTC
Permalink
Hey Don,
That was the solution. I'm still trying to get through the K3 manual
and never saw that setting. I set the tune level to 4 watts, exited
the menu and with the K3 set to first 50w, I hit the K3 tune button
and the power dropped to 4w and the LDG 600 Pro II tuned just fine!!

Tnx,
73
Rob
Post by Don Wilhelm
Rob,
Take a look at the manual for CONFIG: TUN PWR - that will set the
power level used for a TUNE.
If set to NOR, it will follow the power knob, but otherwise will
TUNE at the power set in the menu.
ATU TUN is different than TUNE.
73,
Don W3FPR
bill conkling
2014-02-06 14:09:39 UTC
Permalink
Not avail for K3.

...bill nr4c

Sent from my Verizon Wireless 4G LTE DROID
Post by Robert Biamonte
Of course I just thought of the phraseology, I am looking for a control cable like the ones made for Yaseu and Kenwood. This cable would reduce the K3 power to Tune level and return the power to normal when the Tune button is released on the K3. Operating like the built in antenna tuner on the K3.
73
Rob
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