I followed N4ZR’s thread and did not see a solution.I have the same
problem as Pete.I’ve got two antennas on 3 bands.I’ve put the tuner
settings in all the bins on those bands for each each antenna.Neither
antenna has SWR over 2.5:1.I can then step through the bins with RF on
each of those bands with ONE antenna with no problem.However, the tuner
settings were made with 40w.
If I am in a contest and decide to quickly change antennas to call
someone, the tuner doesn’t recognize the antenna change until RF is
applied.I apply the same drive power ~30w and before the tuner selects
the new setting, it sees the mismatch and output jumps to over 1700w,
high SWR is displayed, and a fault occurs.The only way I can avoid this
is first go to STBY, apply RF and wait for the new tuner setting to be
sensed and applied, then go back to OPER. To go back to the original
antenna I have to do that all over again. I don’t think this is how it’s
supposed to be, but I think there must be no solution.How can we go from
one antenna to another without this problem?73, Jim W6YA
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