Hach DR/820 Instrument Manual page 36

SECTION 4,
continued
•
If the wavelength is correct as displayed, skip to
Step step 8.
•
Some instrument models can use different wavelengths.
If a different wavelength is preferred, proceed as follows:
a. Press
ENTER
in the lower-right corner.
b. Press either
ARROW
displayed.
c. Press
ENTER
down-arrow icon will be displayed.
8. Press the down
ARROW
option. One to four zeros, a decimal point if needed, and the
units of concentration may be modified here.
•
If the displayed resolution and units are correct, skip to
step step 9.
•
If the displayed resolution or units are incorrect for your
test, proceed with the following:
a. Press
ENTER
displayed.
b. Press either
and concentration units are displayed. The available
options are:
0.000
0.000 Pg/L
0.000 mg/L
0.000 g/L
c. Press
ENTER
9. Press the down
ARROW
number of the standard (i.e., 1 is shown for the first standard,
2 for the second, etc.) will be shown on the lower portion of
the display.
34
. A flashing question mark will be displayed
key until the preferred wavelength is
to accept the displayed wavelength. The
key to move to the
. A flashing question mark will be
key until the preferred resolution
ARROW
0.00 0.0
0.00 Pg/L 0.0 Pg/L
0.00 mg/L 0.0 mg/L
0.00 g/L 0.0 g/L
. The question mark will disappear.
key to scroll to
(resolution)
RES
0
0 Pg/L
0 mg/L
0 g/L
. and the
STD STD