5
Key
Operation
Mode
Duration
Function
Mode
Measure
0 second
Selects display
mode. Pressing
this key changes
the display
sequentially to
display pH/Temp,
Conductivity/Temp,
TDS/Temp and
Salinity/Temp
modes.
pH Measure
2 seconds
Enters pH
Calibration mode.
Conductivity
Measure
2 seconds
Enters Conductivity
Calibration mode.
TDS
Measure
10 seconds
Selects
Temperature °C or
°F mode.
Recall Data
0 second
Selects
whether
or not to erase all
stored data.
Store
Measure
2 seconds
Stores current
pH/Temp,
Conductivity/Temp,
TDS/Temp and
Salinity/Temp
reading into
memory.
Temperature
display mode
Selects
0 second
Selects
Temperature °C
pH Buffer
Select
0 second
Selects 7.00 Buffer
Sets and Leaves
Buffer Select Mode.
Recall Data
0 second
Decreases current
number.