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

Page 31

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9.6 Viewing Calibration points: pH or ORP – P4.0

Setup program P4.0 lets you view the current points at which the
controller is calibrated. This is a “view only” parameter.
P4.1: first calibration point
P4.2: second calibration point (pH only)

When controller has no calibration points in memory, the display will
show “-------“.

P4.0

CAL

P4.1

P4.2

7.00

4.01

P4.0

CAL

P4.1

180

pH

ORP

Press ▲ and ▼ keys together (ESCAPE) at anytime, to leave the
Setup mode and return to Measurement mode.

P4.0: Viewing calibration points
1.

Key in the password “022” as per procedure in Section 5.

2. Press

▲ key three times. The screen will scroll P4.0 and CAL.

Press ENTER.

3. The screen will scroll P4.1, then CAL, then the first calibration

point.

4. Press

ENTER.

In pH mode, the screen will display P4.2, then CAL, then the
second calibration point.
In ORP mode, the screen returns to the general Setup menu.

5. If you are in pH mode, press ENTER again to confirm and

return to general Setup mode.
Press ▲ and ▼ keys together (ESCAPE) to return to
measurement mode.