Hach-Lange DR 2800 eco - Manual (Page 75)

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Advanced Operations
Enter 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 it.
Note: The coefficients can have 5 digits and can have a positive or a
negative sign.
The input of the basic data is complete.
An overview of the variable program data is displayed.
4. Select Store to save the data.
5. If you need to enter more specifications or change existing
ones, activate the appropriate line and press Edit.
Besides the previously defined basic data, this overview contains
additional parameters/functions for specifying the user program.
These additional program data are for executing a user program.