Lutron Electronics WAC-2019SD Operation Manual page 29

5) Display will show the Dissolved Oxygen values ( mg/L )
at the same time the bottom display will show the Temp.
value of the measured solution.
6) Rinsed the probe accurately with normal tap water after
each series of measurement.
Oxygen in the air
During the DO measurement, press the " Function Button "
( 3-6, Fig. 1 ) once, the display unit will show " %O2 "
instead of " mg/L " , it show the air Oxygen value for
reference.
@ Press the " Function Button " once again, the Display
unit will return to " mg/L ".
Change the Temp. unit to ℉
If intend to change the Temp. unit from ℃ to ℉,
please refer to chapter 12-7, page 43.
"% Salt" compensation value adjustment
If intend to change the % Salt compensation value,
refer chapter 12-8, page 44.
"Height" compensation value adjustment
If intend to change the Height compensation value,
refer to chapter 12-9, 12-10, page 44 page 45.
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