MTM-A Quality Type Level Meter - Zero Point Calibration Operation Guide

MTM-A Quality Type Level Meter Zero Calibration Operation Guide: First, place the sensing pen at the 11 o'clock position, remove it after P0 is displayed; place the sensing pen at the 11 o'clock position again, remove it after P1 is displayed; then place the sensing pen at the 5 o'clock position, enter the P1 zero setting menu, place the sensing pen at the 5 o'clock position again, wait until the value in the top right corner matches the middle value to complete the zero setting; finally, place the sensing pen at the 11 o'clock position to exit the zero setting interface, wait for the 10-second countdown to finish, zero calibration is complete.