When paired to a Stages console or compatible head unit, the power meter and head unit are in two-way communication; the head unit is able to send a command to the power meter to perform a zero reset, and in some cases, the resulting zero reset value will be sent back from the power meter to the display unit and will be shown on the screen. Please note the displayed zero reset value will NOT be zero, but rather a number that corresponds to the measurement taken by the sensor. The head unit will indicate whether the procedure succeeded or failed. This process may be referred to as a zero reset, calibration, or zero offset depending on the head unit manufacturer.
To manually calibrate the zero offset of the power meter: