ResMed VPAP III User Manual page 34

Minute ventilation: Volume of air inhaled per minute (units: litres per
minute). It is the product of respiratory rate and tidal volume.
Tidal volume: Volume of air inhaled per breath (units: millilitres per breath).
Cycle indicator: How the VPAP changes the pressure when you are
exhaling. "C" indicates a patient cycled change; "TiMn" and "TiMx" indicates a
device cycled change.
Measured inspiration time: The average inhalation time measured by the
VPAP.
Set IPAP Max: The maximum inhalation time set by your clinician.
Measured I:E ratio: The inhalation to exhalation ratio measured by the
VPAP.
How to Use the VPAP Menus 27