The process generally involves interacting with internal or hidden service buttons to enter the diagnostic menu. According to resources like Care International Scale and technical walkthroughs, the standard steps include: Access Diagnostic Mode : Press the SW1 button

The bright green LED screen will flash and display (Diagnostic Mode). 2. Navigate to Calibration Mode

Calibration of the L126 generally involves two main steps:

Place your certified weights back on the scale to verify it displays the exact correct mass.

The scale must be on a hard, flat surface to ensure the sensors activate correctly.