76Expanded programsChemical form:1. Enter the chemical formula used in the display to representthe analysis parameter.2. Press Continue.6.1.1.2 Multi wavelength settingsWhen selecting the Multi-Wavelength mode, the followingparameters can be defined:Units:1. Select the required unit from the list2. Press Continue.Note: User-specific units not included in this list can be added in the editprogram under Program Options, Edit. Select Units, Edit and thenNew.Absorbance formula (Multi Wavelength program type):Define the wavelengths and the coefficients used in the formula.The absorbance formula defines the calculation for the multiwavelength reading.1. Press Formula.2. Select the formula relevant to the programming from thedisplayed list.3. Press OK to confirm the selection.List of the available absorbance formulaeA 1 is the absorbance at wavelength 1,A 2 is the absorbance at wavelength 2 and so onK 1 is the factor at wavelength 1,K 2 is the factor at wavelength 2 and so onIf a subtraction has to be performed, the factors can be enteredwith a minus sign.
