Parkside PPHM 14 A1 Operation And Safety Notes page 35

Use the product to slowly stir the liquid for a while,
and then stop. Wait until the measured pH value is
stabilized in the display 6 .
Press CAL/HOLD 4 briefly to hold the pH measured
value in the display 6 . HOLD 8 is shown in the
display 6 .
Remove the product from the liquid. Note down the
measured pH value on a piece of paper.
Press CAL/HOLD 4 again to release the frozen
value from the display 6 . HOLD 8 goes off in the
display.
Repeat all previous steps of this section to perform
additional pH measurements.
Switching off: Press and hold /MODE 5 for
approx. 3 seconds.
GB 35