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I set up one of my 9x transmitters with a DM9 module and bound it to two programmed models. Everything worked as expected except that there was no trim. I tripled checked that trim was selected ON in all mixes for both models, but the trims didn't work.

After much head scratching I selected trim OFF in the mixes and , walla!, the trims now work!

Looks like something is screwy in the FW. Trims for other models programmed on this Tx using a Corona module work fine when selected ON.

This when using er9x ver 760.

Ted.

I recall reading about a bug where ON/OFF were reversed indeed, was fixed in later versions of the firmware. I don't remember when that was, but you might want to upgrade.

I move this to er9x.

Thanx, I apparently missed any previous reference to this issue.

Ted