Thermo Fisher Scientific Alpha pH 190 (In the process of updating the brand guideline & product image) - Manual (Page 24)

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9.2 Setup mode overview
P1.0: Set Point 1
P1.1: select relay 1 set point value
P1.2: select relay 1 as low or high set point
P1.3: set relay 1 hysteresis value
P2.0: Set Point 2
P2.1: select relay 2 set point value
P2.2: select relay 2 as low or high set point
P2.3: set relay 2 hysteresis value
P3.0: Configuration
P3.1: select pH or ORP units
P3.2: select symmetrical or asymmetrical input mode
P3.3: select temperature compensation (MTC or ATC)
P4.0: Calibration data
P4.1: view first calibration point
P4.2: view second calibration point (pH mode only)
P5.0: Electrode data
P5.1: view electrode offset
P5.2: view electrode slope (pH mode only)
P5.3: view temperature probe offset (ATC mode only)
P6.0 Controller reset
P6.1: clear calibration data and revert to factory default settings