Hach DR/700 Procedures Manual page 177

BARIUM,
continued
USING ACCUVAC AMPULS
1.
Install module
45.01
in a DR/700.
2.
Press:
I/O
The display will show
450 nm
and module number
45.01
45-5
3.
After 2 seconds,
the display will show
a program number,
the concentration
units and the zero
prompt. Press
until the
PROGRAM
display shows
program number
45.000
The upper display
will show the
concentration of a
previous calibration
standard. If desired,
press the
UP ARROW
key to display the
other standard.