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The “BUF” and “CAL” tags are displayed. The primary LCD displays the
uncalibrated NaCl reading in percentage. The secondary LCD displays “100”.
When the reading is stable, “CFM” tag starts blinking on the LCD, asking for
confirmation. Press CFM to confirm calibration.
The instrument displays the “Stor Good” message and returns to measure-
ment mode.
Notes:
• If the uncalibrated reading is too far from the expected value, calibra-
tion is not recognized. The “CFM” tag does not appear; the “~” and
“BUF” tags blink to signal wrong or contaminated calibration solution.
• The meter uses 1.90 %/°C compensation factor during calibration. If
the setup item “tc” has been set to a different value, when exiting
calibration mode, the displayed value on the upper LCD might be
different from the nominal buffer value.
CAL
BUF
%
NaCl
CAL
CFM
BUF
%
NaCl
CFM