69
Advanced Operations
9.
Press
Force 0
to change the setting from
Off
to
On
. The curve
then passes through the origin of the coordinate system.
Note:
This may have an adverse effect on the correlation coefficient
(r
2
).
10.
Press
Table
to display the table again.
11.
When the table has been completed and the curve type has
been chosen, press
Done
when the graph is displayed or
Exit
when the table is displayed. Go to
section 6.1.1.4 on page 70
.
Calibration by entering the formula
1.
Press
Enter Formula
and press
Next
.
2.
Press the formula key.
A list of available formulas (linear and 2nd and 3rd order
polynomial) is displayed. Up to 4 coefficients can be entered,
depending on the selected formula. Press the required formula.
3.
Depending on the selected formula, the required coefficients (a,
b, c...) are displayed. Press the coefficient keys and enter the
corresponding values via the alphanumeric keypad. After each
entry, press
OK
to confirm.
Note:
The coefficients can have 5 digits and can have a positive or a
negative sign.
Содержание Portable Spectrophotometer DR 2800
Страница 2: ...2...
Страница 6: ...6 Table of Contents...
Страница 8: ...8 Specifications...
Страница 22: ...22 Installation...
Страница 116: ...116 Maintenance...
Страница 118: ...118 Troubleshooting...
Страница 120: ...120 Replacement Parts...
Страница 122: ...122 Contact Information...
Страница 124: ...124 Limited Warranty...