Hanna Instruments HI 253 - Manual (Page 23)

23
CURRENT DATE SET
Press CAL when the current date is displayed. The year will start blinking.
Press the ARROW keys to change the year.
Press RANGE. The month will start blinking.
Press the ARROW keys to change the month.
Press RANGE. The day will start blinking.
Press the ARROW keys to change the day.
Press CFM to save the modified value.
Press CAL to escape without saving.
pH RESOLUTION SET
Press CAL when the pH range is displayed. The pH range (0.1, 0.01 or
0.001) will start blinking.
Press the ARROW keys to change the pH range.
Press CFM to save the modified pH range.
Press CAL to escape without saving.
ION CHARGE
Press CAL when the ion charge is displayed. The ion charge (undF, –2, –1,
1 or 2) will start blinking.
DATE
DATE
DATE
pH