20Operation4.5 Sensor setup menuSELECT SENSOR (if there is more than one sensor)CALIBRATECAL.CONFIG.Note: If once a calibration method is chosen the entries will be displayed in the firstsubmenu of the calibrate menu.Select SENSOR CODE, MATX1, MATX1 CL-, MATX2, MATX2 CL-, VALUE CORR,PREVIOUS CAL or FACTORY CAL-or-CAL.CONFIG.>SENSOR CODEDATE Displays the date of sensor cartridge start upSENSOR CODE Display and entry of the sensor code-or-CAL.CONFIG.>MATX1 1 point matrix correction (see section 4.6.3.1 on page 24)DATE Displays the date of the current correctionCONC MEAS 1 Saving the currently measured measurementSET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)-or-CAL.CONFIG.>MATX1 CL- 1 point matrix correction with chloride (see section 4.6.3.2 on page 24)DATE Displays the date of the current correctionCONC MEAS 1 Saving the currently measured measurementSET CL- CONC Entry and display of the Cl- reference value (lab value)SET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)-or-CAL.CONFIG.>MATX2 2 point matrix correction (see section 4.6.3.3 on page 25)CONC MEAS 1 Saving the currently measured measurementDATE Displays the date of the current correctionSET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)CONC MEAS 2 Saving the second measured measurementDATE Displays the date of the current correctionSET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)-or-CAL.CONFIG.>MATX2 CL- 2 point matrix correction with chloride (see section 4.6.3.4 on page 26)Note: Carry out the matrix correction only as a standard addition in the sample matrix.CONC MEAS 1 Saving the currently measured measurementDATE Displays the date of the current correctionSET CL- CONC Entry and display of the Cl- reference value (lab value)SET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)CONC MEAS 2 Saving the second measured measurementDATE Displays the date of the current correctionSET CL- CONC Entry and display of the Cl- reference value (lab value)SET NO3–N CONC Entry and display of the NO 3–N reference value (lab value)