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Hach DR/820 - Page 36

Hach DR/820
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34
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. A flashing question mark will be displayed
in the lower-right corner.
b. Press either
ARROW key until the preferred wavelength is
displayed.
c. Press
ENTER to accept the displayed wavelength. The
down-arrow icon will be displayed.
8. Press the
down ARROW key to move to the RES (resolution)
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. A flashing question mark will be
displayed.
b. Press either
ARROW key until the preferred resolution
and concentration units are displayed. The available
options are:
c. Press
ENTER. The question mark will disappear.
9. Press the down
ARROW key to scroll to STD. STD and the
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.
0.000 0.00 0.0 0
0.000 Pg/L 0.00 Pg/L 0.0 Pg/L 0 Pg/L
0.000 mg/L 0.00 mg/L 0.0 mg/L 0 mg/L
0.000 g/L 0.00 g/L 0.0 g/L 0 g/L

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