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c) Switching on/off
Briefly press the button “ /CAL” (5) to activate or deactivate the combination meter.
All segments of the LC display appear for a few seconds when switching on. Then a
measured value is displayed depending on the measuring probe used, as well as the
temperature.
The battery condition display at the lower left of the display indicates the current condi-
tion of the inserted batteries. If this display flashes, the batteries are flat and need to be
replaced. See above.
The combination meter switches off on its own after 10 minutes if not used.
If the display “Err” appears in the display, no measuring probe is connected to the
combination meter or the measuring probe has no connection to the connection in the
combination meter.
d) Change operating mode
Brief pushing of the button “MODE” (10) permits changing the operating modes of the combi-
nation meter. The display shows the corresponding display (H).
The respective possible operating mode depends on the measuring probe used:
Measuring probe “Ph”:
“PH”
Measurement/display of the pH value
Measuring probe “COND”:
“COND”
Measurement/display of the conductivity
“TDS”
Measurement/display of the TDS value
“SALT”
Measurement/display of the salinity
Measuring probe “ORP” (not enclosed, can be ordered as an accessory):
“ORP”
Measurement/display of the ORP value
e) Selecting the Temperature Unit °C or °f
Push the button “MODE” (10) for longer to switch between the temperature unit °C (degrees
Celsius and °F (degrees Fahrenheit).
