4 locking out the instrument’s cal button, 5 sensor calibration range checking, 6 entering a span gas value – Hach-Lange ORBISPHERE 3650 User Manual

4 locking out the instrument’s cal button, 5 sensor calibration range checking, 6 entering a span gas value | Hach-Lange ORBISPHERE 3650 User Manual | Page 41 / 54