Hanna Instruments HI 3220 - Manual (Page 40)

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View Calibration Points
Focus on the
Calibration Point item.
Press the displayed function key to change option.
If option is enabled the calibration buffers corresponding to the last calibration
are displayed in the pH measurement screen.
Out of Cal-Range Warning
Focus on the
Out of Cal-Range Warning item.
Press the displayed function key in order to change option.
If enabled, the “Out Cal Range” message will be displayed if the pH reading
is not within the calibration range.
ISE probe
Focus on the
ISE probe item.
Press Custom in order to set the parameters for a custom probe.
Press Standard in order to select one probe from the standard probes list.
If Custom is pressed: