Dji phantom 4 pro vision sensor calibration July 8, 2019 16 32 64 128 Dji phantom 4 pro forward vision sensor calibration error Dji phantom 4 pro backward vision sensor calibration error Dji phantom 4 pro sensor calibration Dji phantom 4 pro gimbal calibration Phantom 4 calibration Phantom 4 pro calibration Dji phantom 4 downward vision sensor error
