I understand, and thanks for replying. Is there some way I can improve my odds of successful calibration to feasibly calibrate at an autocross event? I can't find anywhere the actual thresholds that must be met to achieve calibration.

[MOVED TO FEATURE REQUESTS] I'm using LapTimer in a formula car (not road legal) for autocross racing. It is not practical to use one of the standard preset orientations for my Android phone with this car, so I must use the individual calibration feature within LapTimer. I've read the documentation ...