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7. Secondary Display-
Temperature reading and
site number.
10. AUTO/MAN-
“AUTO”: Used to indicate that a
temperature sensor is attached.
“MAN”: Used to indicate that a
temperature sensor is not
attached and the pH temperature
compensation is manual.
8. WAIT/CAL-
“WAIT”: Used when in pH
calibration to indicate that the
reading is not yet stable.
“CAL”: Used to indicate that
unit is in calibration mode.
11. RC-
Indicate that the unit is in recall
mode and actively displaying
saved data.
9. STAND/SLOPE-
During calibration this will
indicate which part of pH is
being calibrated, in normal
operation this will indicate
(blinking) which part of pH is
not yet calibrated.