horiba TW-150 Instruction Manual page 89

4. Press [SAMPLE].
A confirmation screen is displayed asking whether to start calibration.
5. Press [YES] to start sample water calibration.
The screen shows that the calibration is in progress.
Wait until the calibration is completed.
The screen shows that the calibration is complete.
6. Press [YES].
The residual chlorine span calibration coefficient is updated.
4 CALIBRATION
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