Orientation Status: Initializing the receiver’s IMU
The Orientation Status icon 
shows you the status of the system orientation. Orientation is provided by the receivers Inertial Measurement Unit (IMU) and is required to accurately place the model in your surroundings.
- Red - No orientation. The system prompts you to initialize the receiver. This requires moving the receiver so the IMU can calibrate itself based on the observed motion.
- Yellow - Low orientation. Once the receiver has been initialized, the estimated Heading Accuracy displays inside the Orientation Status icon. If this Heading Accuracy exceeds 2° the Orientation Status icon turns yellow, and you are prompted to reinitialize the receiver.
- Green - Good orientation. The receiver is initialized with an estimated Heading Accuracy less than 2°.
NOTE – Once initialized, under normal circumstances continual motion of the receiver will maintain a good orientation. Low orientation will typically only occur if you have spent a long period of time stationary.
When you have connected and configured a GNSS receiver, you are prompted to initialize the receiver orientation. For best results Trimble recommends initializing the IMU by tilting the pole side to side and then front to back at least twice, followed by a 10 meter / 10 yard walk.
NOTE – If space is limited, performing two sets of side to side and front to back motions, counting to 10, and then performing another set of two side to side and front to back motions also yields good results.
TIP – The objective of the side to side and front to back motions is for the receiver IMU to experience a range of accelerations. Quick, sharp motions will produce the best outcome, reflected by a low Heading Accuracy number. The 10 m / 10 yard walk, or repetition of these motions, provides additional sensor input that helps to maintain the Heading Accuracy over time.
When the Orientation status is green, you are prompted to complete a camera alignment.