"Thanks for confirming. This makes sense. leonardthall said:
Autotune tunes each axis independently so the roll and pitch pids are then different. The tick box is just something in mission planner and not in the autopilot so when mission planner…"

"Maybe the "lock pitch and roll values" box became unticked when autotune finished. This is what I would like to figure out myself as well. Kim Ferady said:
Hi, you should have  the "lock pitch and roll values" box ticked in the second screen…"

"Hi Randy,

I see this was changed and lowest value is low, you cannot turn it off. Is this true?

http://ardupilot.org/copter/docs/parameters.html#mot-spin-arm-motor...

Thanks.
Tamas
Randy said:
Martin,
     Yes, if MOT_SPIN_ARMED is zero the…"

"Thank you. Just to confirm. Both GoPro 2 and 3 cases will be compatible with this?
Thanks."

"Hi Joshua,

do you have any update. I would be interested as well. I have a GoPro 2 and I would really like to use it on a gimbal.

Thanks.
Tamas"