58 Chapter 6
2. Make sure the instrument is turned on, the alcohol cartridge is
charged with alcohol, and the twin tube assembly is attached as
described in Chapter 1.
3. Launch the FitPro Ultra Software. Select PortaCounts from the
main menu . Then from the PortaCount menu select
Fit Test.
4. Select Assign Person and choose a fit test subject from the list of
names. Also select a respirator, a respirator size and a protocol.
Confirm the Next Test Date.