You said:
¡°?I have an LDG AT-100ProII connected to an 857D with a homemade interface cable.¡±
Has your tuner ever operated with your ¡°homemade interface cable¡± as the manual says it should? ?I have the LDG interface cable and everything works as expected.?
I believe you also need to have menu item #85 TUNER/ATAS =OFF. All of the selections on this menu are for Yaesu ATAS antennas or AH-30 antenna tuner.?
See if you can borrow an LDG interface cable to test the FT-857 and AT-100ProII tuner. If they don¡¯t work then, I¡¯d check try to substitute a known working tuner.?
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On Jun 20, 2022, at 6:07 PM, Rob KA2PBT <pabutusa@...> wrote:
?That's what the documentation says, but that's not what happens. Yes the tuner will key the radio but the power is not reduced. The only way I can get it to work is by manually going to menu 75 and setting the power to 5 watts.