User Guide

Instruction Manual DO 6
38
7.2.2 Selection of mg/L or ppm mode
From the “COF.1” of the mg/L (ppm)
Concentration Set Up menu,
1) Press the HOLD/ENTER key thrice
to enter the mg/L or (ppm) mode
selection menu “b.DO”.
2) Use the ▲ and ▼ keys to select
the desired mode of measurement.
3) Press the HOLD/ENTER key to
confirm the selection made and to
return to the subgroup menu.
4) Press the CAL key to return to the
measurement mode.
Figure 22: Selection of mg/L or ppm
mode
mg/l
ppm