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• When the reading is stable and within range of the selected calibration point, the CFM functional
key is displayed.
• Press CFM to confirm.
• The second expected calibration point is displayed.
• Immerse the DO probe into the second vessel as close as possible to the reference thermometer.
• Allow a few seconds for the probe to stabilize.
• Use the / key to set the calibration point value to that measured by the reference thermometer.
• When the reading is stable and within range of the selected calibration point, the CFM functional
key is displayed.
• Press CFM to confirm. The instrument will return to the main screen.
TEMPERATURE CALIBRATION (for technical personnel only)