Since updating to 1.67 my KAT500 tuner is behaving strangely. It won't tune my 40 meter dipole on "auto" and when the KAT500 is placed in "bypass" the K3 autotuner tunes the same antenna perfectly. I have tried different coax, but the K3 autotuner at 25 watts output tunes the antenna nicely while the KAT500 does not. Both the KAT500 and the W2 wattmeter go nuts when I try and tune the 40 meter dipole through the KAT500. In KAT500 "bypass" the meters on the KAT500 and W2 continue to show very high SWR but the K3 autotuner works fine and presents a perfect SWR to the K3. The KAT500 has no problem with the higher bands. My KX3 tunes this same 40 meter dipole through the KXPA100 with no problem. It must be something in the KAT500. Anyone else having this problem? Is this a problem with V1.67? Thanks Ron KM4VX
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