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• The primary LCD displays the not calibrated EC read-
ing, while the secondary LCD shows one of the avail-
able standard values. The hourglass symbol blinks.
• If necessary, use the arrow keys to select the desired
standard value.
• When the reading is stable, the CFM tag starts blink-
ing. Press CFM to confirm calibration.
• The instrument displays the "Stor" and "Good" mes-
sages and returns to measurement mode.
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Notes:
• Zero calibration is not allowed in custom mode.
• The calibrated custom value is considered the value
of the calibration solution at the selected reference
temperature.
• It is possible to set the cell constant value directly,
without following the calibration procedure. To set the
cell constant enter the setup mode and select the
"CELL" item (see “Setup” section for details).
• The temperature reading is not used during custom
EC calibration.