How do you calibrate sun CWB1855-3 wheel balancer?

To calibrate the Sun CWB1855-3 wheel balancer, first ensure that the machine is on a level surface and powered on. Use a calibration weight or reference wheel to set the machine; follow the manufacturer's instructions to enter the calibration mode. Adjust the settings until the machine accurately reads the weight and balance of the reference wheel. Finally, confirm the calibration by running a test balance to ensure the readings are correct.