I really would like to know what these, three jumpers are used for. They seem to have different spacing between them. I guess to stop the already jumped one from being moved to the other two. Any ideas?
@jholma,
Everything you wanted to know about the APM2.5/6 http://copter.ardupilot.com/wiki/common-autopilots/common-apm25-and-26-overview/
Regards,
TCIII GM