Sper Scientific 850037 Large Display Conductivity Pen - Manual (Page 29)

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Calibration Review (CAL)
1. Press
SET for 2 seconds to enter setup.
2. Press ▲ to select the calibration review
setting. “CAL” will appear on the primary
display of the LCD and “P4.0” will
appear on the secondary display.
Range 1 Calibration Information:
3. When in P4.0, press SET for less than
one second to enter P4.1 to review
the last calibration concentration. If
the pen is not yet calibrated, “---”
will appear on the LCD.
Range 2 Calibration Information:
4. When in P4.1, press ▲ to enter P4.2
to review the last calibration concentration.
If range 2 is not yet calibrated, “---” will
appear on the LCD.
Note…
When in P4.1 or P4.2, press SET for
less than one second to confirm and
return to P4.0.