Toolbar

The toolbar provides a range of functions you may want to use.

	Item	Action
	Calculate	Update your calculation for any changes you have made
	Single Number Rating	Switch between $\alpha$W and NRC rating
	Absorption calculation models	Select from a range of absorption calculation models
	Set/Clear Comparison	Set/Hide Comparison spectra as a purple line
	Show/Hide Reference	Show/Hide Reference spectra as green markers
	Settings	Here you can select between imperical and metric nomenclature
	Copy absorption spectrum	Copies absorption spectrum to the clipboard

Reference spectra can be added to the chart on the ZORBA acousic properties table:

• Click to paste data into the Table
• Reference spectra data can also be typed into the ZORBA Table directly