To insert the battery proceed as follows:
Use a coin to rotate the battery compartment cover
14 in an anti-clockwise direction. Remove the battery
compartment cover.
Remove the old battery by lifting it out with a small
screwdriver.
Insert the new battery (CR2032) under the
metal contacts on the edge, with the + polarity
facing outwards. Push the battery into the battery
compartment 13 .
Reattach the battery compartment cover 14 . Use a
18
GB
coin to rotate the battery compartment cover in a
clockwise direction.
NOTE: Do not press any button while changing the
battery.
Power on/off
Switching on: Press /MODE 5 .
After approx. 5 seconds the display 6 enters the
pH measurement mode. pH 7 is shown in the display
6 .