Hach-Lange 5740 sc - Manual (Page 21)

17
Operation
Table 2 Calibration Response
Calibration Response Explanation
CAL COMPLETE Indicates the Calibration is complete.
CAL FAIL, OFFSET HIGH
Indicates the air calibration has failed due to an excessively high calculated gain value.
Repeat the calibration.
CAL FAIL, OFFSET LOW
Indicates the air calibration has failed due to too low of a calculated gain value. Repeat the
calibration.
CAL FAIL, UNSTABLE
Indicates the air calibration has failed because the readings did not stabilize during the
maximum allowed calibration time interval. Repeat the calibration.
UNABLE TO CALIBRATE Indicates the Calibration has failed.