NAVI D-25 Instruction Manual page 90

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Calibration using
(CUST)
1.
Press the CAL key in the pH Measurement
mode to select the Calibration mode.
">CAL<" will be displayed.
2.
Set the pH value of the standard solution used
for calibration using the ▲ and ▼ keys.
While the setting is being made, "CuSt" will blink.
3.
Press the CAL key to start the calibration.
The measured value will be displayed, and
"HOLD" will blink until the reading stabilizes.
When the measured value stabilizes, "HOLD" will
stop blinking and the calibrated value will be
displayed.
Perform the calibration for the second and third point
following the same procedure.
3.4 Setting modes
a user-defined
3 Functions
standard
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