Hello everybody! I would like you to help me to decipher the following abbreviation. LOWER PLATFORM FROM L.C.B. BY PRESSING THE DOWN ARROW AND THE TICK BUTTON TOGETHER. The abbreviation may mean either Linear Current Booster or Line Circuit Breaker. What's your opinion on that? It's about the Overload Calibration Procedure. The source: the Overload Calibration Procedure which I cannot possibly make available to you by any means. Thank you.