EUTECH INSTRUMENTS WATERPROOF C401 COLORIMETER Instruction Manual page 32

Calibration: Cyanuric Acid C401/301/201/102/101
NOTE: If you wish to abort this calibration
process, do NOT press the READ/ENTER key as
CAL
in step 17. Press the ZERO key instead. The
meter will display [AbRT] and CAL annunciator to
signify that the calibration has been aborted
without saving the calibration value. The meter
will then return to the beginning of the user
calibration as in step 4.
NOTE: If an error occurs during calibration, the display will present an error
message. Please refer to Section 4 Troubleshooting Guide for details.
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