I noticed this Bug when I bought a 7C. It took me a few days to figure out what was going on. Kinda one of those Huh Wha? Why is this set to Zero things... I think it only does it when you use two servos for ailerons. Real easy to fix just go into the ATV menu and make sure both channels are set to 100/100% travel. I just made it a habbit to check the mixing everytime I change the timer settings.

I have a 6X and a 7C. I like the digital trims the 7C has. Don't have to worry about the roommates playing with the trims anymore. The timer is a nice feature to have. I set it so it starts when I throttle up. You can program every friggen switch on the radio to do something. Very nice thing to have. I use the 6x as a backup radio and a buddy box now...

--Scott