Manual Calibration - Parkside PPHM 14 A1 Bedienungs- Und Sicherheitshinweise

˜ Manual calibration
Clean the electrode probe 1 and the test liquid
absorption rod 1a (see "Cleaning the electrode probe
and the test liquid absorption rod").
Switch the product off and then on again (see "Power
on/off"). pH 7 is shown in the display.
Press /MODE 5 twice to enter the calibration
mode. CAL is flashing in the display 6 .
Press CAL/HOLD 4 repeatedly until the required
pH value (4.01 pH, 6.86 pH or 9.18 pH) is flashing
in the display 6 (between the MIN 2 and MAX
3 markings).
GB/IE 73