68
SMART Spectro 2 Operator’s Manual 04.16
chosen.
1. DEGREE
calculates the best straight line fi t but without forcing the line through
the origin. The minimum number of standards needed for a calibration is one for
1.
DEGREE THRU.0
and two for
1. DEGREE
.
NOTE: 2. DEGREE and 3. DEGREE calculations are not available yet.
13. Press
*ENTER
to select the desired
curve fi t type. The display will show the
constraints for the best fi t line.
1. DEGREE 465NM
K0 = 0.6548
K1 = 5.6365
K2 = 0.0000
K3 = 0.0000
PRESS [EXIT] TO SKP...
14. Press
EXIT
to return to the
SELECT
DEGREES
menu. Press
EXIT
again to
return to
NEW CALIBRATION
. Press
EXIT
again to return to the
USER
TEST
menu.
102 H2O 465NM
NAME THE TEST
SELECT WL
NEW CALIBRATION
FORMAT RESULT
SELECTING THE NUMERICAL FORMAT OF THE RESULT
The number of decimal places displayed for a result can be selected. A test which ranges
from 20 to 1000 ppm should not be displayed with three decimal places. A test with a
range from 0.010 to 0.500 needs three decimal places. The microprocessor will always
calculate the concentration to many more signifi cant fi gures than will be displayed. Menu
choices of 0, 1, 2, or 3 decimal places will be given for the display.
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