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The LDG Z100 Autotuner functions and tuning

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Uploaded by on Feb 4, 2010

What does that button do?... Now you know!
It has 3 functions.
1 quick push is bypass
a longer push is quick tune
push and hold does a full tune cycle.
Mark

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Uploader Comments (markbeermonster)

  • Nice demonstration. I work with the LDG Z100 and manage to tune my ICOM370 which is attached to a very short inverted L-wire. No more than 14 meters, on my balcony. Just works fine, except on 80 meters, my antenna is just too short for that.

    73 PA5ABW

  • @abwo47 Its a great tuner, perfect for the balcony wires

    73 de M0VST - Mark

  • Thanks for this... I can't get my 857 to tune. Can't get the green light. Maybe relocate G5RV..

  • @rs4425 Have you a nice earth connected to the tuner? Another way to help is add 1/4 wave lengths for each band your trying to tune onto the earth stake.

    I've never tried to tune a G5RV with it but I can't see why it wouldn't aslong as you have some coax between the 300ohm ribbon part of the antenna and the tuner.

    The other thing is it might be more than a 10 - 1 mismatch.

    Hope this helps

    Mark - M0VST - KD8MGW

  • Very Nice. Does the tuner have space for containing a battery?

  • @wj2l Sure does, not only that but they lasted a year!

    it takes 8 AA sized batterys or via 12v plug.

    Thanks for watching

    Mark - M0VST - KD8MGW

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All Comments (12)

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  • Very well done. Never used a tuner but just bought my first LDG tuner. I'm sure I'll be looking to getting this one when I get a nice 817ND.

  • Sweet.

  • @k6lsn Yup I sure can. Its very simple, the hot side is connected to 80m of wire in the tree, the negative side goes to my shack earth which is a 50 copper stake connected to my quarter wave radials

  • Mark, can you do a video showing the 4;1 balun connections? I want to know how to ground, etc. thnx

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