ALTANA LCM IV - Manual (Page 69)

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Standard programs
5.6.2 Take a color difference measurement with stored reference values
1. Press Color Difference Measurement from the Main Menu.
2. Press Select Reference.
3. A list of available references is displayed.
4. Press the required reference.
5. Press Select Reference to confirm.
6. Insert the test cuvette.
Important note: For the color difference measurement, it is
absolutely necessary that the type of cuvette/sample cell used for
the sample measurement is identical to the type of
cuvette/sample cell that was used for the reference
measurement.
Example:
It is not possible to select a reference that was measured in a
10 mm cuvette, and then run a difference measurement with a
50 mm cuvette.
5.6.3 Add a reference to the reference list
1. Press Color Difference Measurement from the Main Menu.
2. Insert a reference cuvette/cell.
3. Press Options >More > Store Reference. The Reference
Data list is displayed.
4. Press a free reference number.
5. Press Store.