Hach DR/700 Procedures Manual page 724

PHOSPHORUS, REACTIVE,
USING ACCUVAC AMPULS
1.
Install DR/700
module
81.01
in the instrument.
2.
Press:
l/O
The display will show
810 nm
and module number
81.01
81-50
continued
3.
After 2 seconds,
the display will show
a program number,
concentration units,
decimal position and
the zero prompt. If
necessary, press the
key until
UP ARROW
the lower display
shows program
number
81.03.1