STEP 1: After connecting the analyzer to M933 Configurator software Figure  1    STEP 2: Go to ‘edit’ ‘Device properties’   Figure 2 STEP 3: Go to ‘setup’   Figure 3 STEP 4: Go to ‘Gas Calibration’   Figure 4 NOTE-MAKE SURE THE FLOW CONTROL IN AUTO STEP 5: Press ‘AUTO ZERO’ and ‘OK’ After pressing ‘OK’ Press ‘Apply’ in M933 properties screen After pressing ‘Apply’ the below screen will appear   Figure 5 NOTE:  Press ‘YES’ to save the changes to EEPROM. STEP 6: Go to ‘STATUS’ ‘HOST STATE’ will change from ‘Operational to Operational – Performing Auto Zero’ Figure 6                                                                                                                                                             NOTE: READING IN THE ANALYZER AND ALL OTHER PARAMETERS MAY DIFFER FROM RESPECTIVE TO EACH ANALYZER, IT IS JUST FOR REFERENCE STEP 7: G