16 Using Special Functions
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1. Tap <Menu> and select
"Data Memory > Measured Data"
.
2. Highlight the sample that shall be signed.
3. Change to the single sample view by tapping <Single Sample>.
4. Tap the corresponding signing role button.
5. If needed, add a comment using the input field.
6. Enter your password if inquired.
7. Assess the sample by tapping <Sign negative> or <Sign positive>.
8. If you want to print or export your results including signing state and
respective comments, tap <Print or Export>.
16.2 User Functions - Constants, Formulas,
Polynomials and Tables
With user functions, you can automatically calculate quantities of your interest
from the output values of your instrument. For the calculated quantities, you have
the same options for display, printout and export as for standard measurement
results.
Examples:
•
Calculate the concentration of binary mixtures from the density of the
mixture.
•
Convert your results into a unit which is not supported in the standard
instrument configuration.
There are six types of user functions: constants, formulas, linear functions,
polynomials with one input value (1 D), polynomials with two input values (2 D)
and user tables.
You can program up to 20 user functions.
Cascading user functions
You can freely use the output value of one user function as the input variable for
another user function independently of the types of user functions involved. The
instrument firmware automatically checks for circularity of the formula system.
Displaying user functions in output fields
To select an output quantity from the group "User Functions" for the display, see
Output fields displaying custom functions feature the user symbol
in the
upper left corner of the output field. A maximum of 20 characters of the user
function’s name can be displayed.
