To perform auto-calibration: Login as Admin: Go to Edit > Admin Login and use the password dimwei. Access Calibration: Choose Edit > Auto Calibrate Dimensions. Follow Instructions: Follow the on-screen instructions and use the calibration object as per the assembly and installation steps. Configuration: Choose Edit > Configuration. Select High res and ensure that Smoothing is NOT selected. Click Save and OK. Calibration Process: Place an object of known size (e.g., 20 x 20 x 20 cm) on the scale. Observe the dimensions in the main window. Adjust dimensions in the configuration window accordingly. For example, if the width shows as 19.5 cm instead of 20 cm, increase the value by (20 - 19.5) cm.