32 GB
Clearing calibrated data from the
product
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 CLr is flashing
in the display
6
. Press /MODE
5
.
NOTE: If the button is not pressed within 2 minutes,
Err starts flashing in the display
6
. Repeat all
previous steps of this section.
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