I'm hoping to try some loitering or position hold but get no GPS lock indicator on the "C" LED on the APM 2.0 when not plugged into the USB on my laptop. If I connect the USB cable, even without MP open the GPS will lock, the "C" led will turn solid blue and all seems correct. When I unplug the USB both blue LED's stay lit for about 23 seconds and then the "C" LED goes out, no blinking though th…