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7
4.
Press Calibration key (<).
5.
Figure 5, the first screen of the CHLOROPHYLL-A calibration appears.
Figure 5
6.
Press Zero labeled key (<) to set the zero point.
7.
After successful zero set, a checkmark symbol will appear next to “Press Zero
Button” to confirm success. The screen will also update to show the Slope
steps, as in Figure 6. The Cycle command replaces Zero on the black bar and the
possible chlorophyll a selection is displayed in red. The default is 100 ppb. If the
displayed Target numeric value is not that desired, use the - and + labeled keys
(< or >) to adjust the value to that desired. Ensure the value selected matches
the standard actually present.
Figure 6
MEASUREMENT
Zero
Slope
Exit
CHLOROPHYLL A CALIBRATION
Insert
DI
Solution
Press
Zero
Button