My brown wire did not put mine into calibration. I saw the post
yesterday and used the red wire and it went into calibration
properly. Both wires are inputs, so grounding either one will not
cause any problem.
I have had mine up for about 10 days now and have been well
pleased with it. You do have to work harder to get a qso bit it is
very satisfying when you get in with 6 watts.
On 1/26/2017 11:59 AM, Ion Petroianu
wrote:
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It is the red one, A2 on Arduino.