The HEADPHONE CALIBRATION section of HEADPHONE LAB is divided into:
HEADPHONE SELECTOR (A)
Select your headphone model from the menu. Enter the serial number to enable Factory Calibration (available only for supported models).
FACTORY CALIBRATION (B)
Retrieves factory measurement data to calibrate your specific headphone to the target response. A valid serial number is required (only available only for selected models).
FREQUENCY RESPONSE GRAPH (C)
Displays both the original amplitude‑frequency response of the headphone and the calibrated response.