<long_desc>If set to two side calibration, only the offsets are estimated, the scale calibration is left unchanged. Thus an initial six side calibration is recommended. Bits: DETECT_ORIENTATION_TAIL_DOWN = 1 DETECT_ORIENTATION_NOSE_DOWN = 2 DETECT_ORIENTATION_LEFT = 4 DETECT_ORIENTATION_RIGHT = 8 DETECT_ORIENTATION_UPSIDE_DOWN = 16 DETECT_ORIENTATION_RIGHTSIDE_UP = 32</long_desc>