LaMotte DO 6 Dissolved Oxygen Meter - Manual (Page 13)

3.7 Measurement Mode Selection:- Percentage Saturation (%),
Concentration (mg/L)(ppm) and Temperature(T)
By simply pressing the MODE key, you can select the measurement mode of
percentage saturation measurement, concentration measurement or
temperature measurement.
The customized annunciator shall indicate the selection of the measurement
mode.
Figure 8: Measurement mode selection using the mode key
12
10.00
8.24
25.0
MODE
MODE
A
A
TA
mg/L
%
Automatic Temperature
Compensation
Percentage Saturation
Concentration Mode
Temperature Mode