palintest Green Drop Kit Instructions Manual page 37

4.3 Palintest Micro 600 Dissolved Oxygen (DO)
Meter
This set of instructions is a quick guide to using
your DO meter. For more details on the full range of
functions that are available on this instrument,
please contact sales@palintest.com.
4.3.1 General Information
The meters have six keys on its splash-proof
keypad; ON/OFF, HOLD/ENTER, CAL, MODE, ▲
and ▼ keys. Some buttons have several
functions depending on its mode of operation.