I'm just setting up my AC2 quad, I have 2.0.49 loaded on an the 1280 board. The initial setup is all going well, but when I attempt to just plug in the LiPo battery to start up, none of the A,B, or C LEDs flash, and I cannot arm the motors, or begin wireless Xbee telemetry (the planner just times out, and none of the amber LEDs light). Once I connect the USB cable, I can begin telemetry via USB…