Device ID. 10A94078
Followed your instructions and re-detected channels with send diagnostic data on.

Its firmware is up to date and the log states 20260617-01:00:00 Tuner: tuner2 tuning 28.1 KAYU-HD (8vsb:557MHz-3) so it is picking up the undesirable one. I need it to pick up 551MHz (channel 27) to get the repeated sig for 28.1. Channel 27 is just a bit weaker than 28.

I can do what you directed ...

Here in Spokane, WA we have our fox affiliate on channel 28 and in Coeur d’Alene it’s repeater is on channel 27. Channel 28 has a signal strength (according to my TV) of about 76 and is located at 28 miles from me but plagued by intermittent interference. The CDA repeater on 27 is 8.5 miles from me ...