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Set the [Volume] needed for ACH Result from [Settings]
The key on the “Settings” menu operates exactly the same as the [Volume] key on the Home screen, but
allows the user to enter the volume without changing the “Result to be displayed” to “ACH” to make the
Home screen [Volume] key appear.
4.4 Use metric units for dimensions
The gauge determines if the user prefers entry of the dimensions using metric or imperial units based on
the choice of units for Flow or permeability results. If the “Display Units” is “Flow” in CFM or any of the
permeability results with imperial units then the dimensions need to be entered in imperial units. If the
“Display Units” is “Flow” in metric units or any of the permeability results with metric units then the
dimensions need to be entered in metric units.
Set [Area] using metric units when Display units are in metric
The choice of metric or imperial for “Volume” units follows the last chosen “Flow” or other Result using
area.
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