30 31NotesTo reset all conductivity and TDS data, see page 40.See page 51 for a table of factory default settings.P4.0: Resetting to factory default settings (pH)This program lets you reset all pH parameters to factory default settings. Thisclears all calibration data any other pH setup functions you might have changed.The following settings will remain as you have set them:• temperature unit of measure (°C or °F)• The temperature offset calibration value• All conductivity/TDS calibration data and parametersMEASSETUP pHAMEASSETUP pHMEASSETUP pHB6.5From measurement mode1. Press the Mode key to select pHmeasurement mode.2. Press Setup key to enter Set Up mode.3. Press the s and t keys to scroll throughsubgroups until you view parameter“P4.0” in the lower display.See figure4. Press the ENTER key.See figure5. Press the s and t keys to togglebetween NO and YES.• NO retains current settings• YES resets to factory default settings6. Press the ENTER key to confirmselection and to return to measurementmode.ABP3.3 Selecting °C or °FThis meter lets you select between °C and °F units for temperature readings.From measurement mode1. Press the Mode key to select pHmeasurement mode.2. Press Setup key to enter Set Up mode.3. Press the s and t keys to scroll throughsubgroups until you view parameter P3.0.See figure4. Press the ENTER key four times toselect parameter 3.3.See figure5. Press the s and t keys to togglebetween °C and °F.6. Press the ENTER key to confirm selec-tion and to return to the subgroup menu.Press the CAL/MEAS key to return tomeasurement mode.SETUP pHEEFNotesYou can also switch between °C and °F in Program P7.2 (available from conductivity/TDS mode). If you switch between °C and °F in pH mode, the meter will also switchin conductivity mode.CSETUPFSETUPF