Hanna Instruments HI 3512 - Manual (Page 18)

18
To enter User Calibration screen press CAL key while in pH/Rel mV/ISE
range (pH channel) or EC/Salinity range (EC channel).
From EC range
Press the corresponding functional key to enter:
• EC user calibration.
• Ch2 temperature user calibration.
From pH range
Press the corresponding functional key to enter:
• pH user calibration.
• Ch1 temperature user calibration.
Note: For REL mV, ISE or Salinity range, pressing CAL on the selected
range will cause the meter to enter directly in calibration mode.
USER USER USER USER USER CALIBRATION CALIBRATION CALIBRATION CALIBRATION CALIBRATION