4 Instrument Description
4.1 LCD Display
(1) — Measurement value
(2) — Calibration icons and numberings
(3) — Measurement unit
(4) — Temperature and reminder icons
(5) — The pH unit displayed during calibration
(6) — The pH value displayed during calibration, numberings for storage and recall, and reminder icons
(7) — Icons for data storage and recall — M+: store measuring data; RM: Recall measuring data
(8) — Self-Diagnosis icons and numberings
(9) — Temperature compensation mode icons — ATC: Auto Temperature Compensation; MTC: Manual
Temperature Compensation
(10) — Completed calibration icons
(11) — Stable reading icon
(12) — Icons for maximum and minimum values