50
SECTION 5,
continued
To set the time, date, year, or temperature units, follow the
instructions in Table 4 on page 29. Table 11 shows how to
change the other setup options.
5.3
DO Probe
5.3.1
Probe Assembly
1. Remove the membrane protector from the membrane cap.
Do not cover the small hole on the protector with your finger
as you pull the protector off (Figure 8).
2. Hold the membrane cap in a vertical position, open-end up.
3. Fill the membrane cap about
2
/
3
full with Dissolved Oxygen
Electrolyte Filling Solution.
Table 11 How to Change Dissolved Oxygen Menu Options
Setup
How to Get There
Setup 5
Display Lock
From Dissolved Oxygen Reading mode, press
SETUP
.
Press the
UP ARROW
until the setup number is
5
.
Press
ENTER
to toggle display lock off and on.
When the desired option is selected, press
EXIT
to return to the reading mode.
See Section 5.1 for more information about this setup.
Setup 6
Measurement
Resolution
From Dissolved Oxygen Reading mode, press
SETUP
.
Press the
UP ARROW
until the setup number is
6
.
Press
ENTER
to toggle between 0.0 or 0.00 mg/L.
When the desired option is selected, press
EXIT
to return to the reading mode.
Setup 7
Salinity Factor
Determine sample salinity. The units for salinity are parts per thousand (0/00).
From Dissolved Oxygen Reading mode, press
SETUP
.
Press the
UP ARROW
until the setup number is
7
.
Press
ENTER.
Use the number keys to enter a salinity factor ranging from 0 to 42. Press
ENTER
to
accept the value, or
EXIT
to leave the value unchanged.
When the desired value is accepted, press
EXIT
to return to the reading mode.
See Section 5.1 for more information about this setup.
Setup 8
Auto Print
Interval
From Dissolved Oxygen Reading mode, press
SETUP
.
Press the
UP ARROW
until the setup number is
8
.
Press
ENTER
.
Change the print interval by pressing the
UP ARROW
and
DOWN ARROW
keys.
Press
ENTER
to accept the print interval.
Press the
EXIT
key to return to the reading mode.
See Section 5.1 for more information about this setup.