VT Plus HF
Operators Manual
3
Gas Temperature ....................................................................................... 2-9
Ambient Temperature ............................................................................... 2-9
Relative Humidity ..................................................................................... 2-9
Correction Mode............................................................................................ 2-10
Barometric Pressure....................................................................................... 2-10
Breath Detection............................................................................................ 2-11
Zero Mode ..................................................................................................... 2-12
Time............................................................................................................... 2-13
Date ............................................................................................................... 2-14
Date Format ................................................................................................... 2-14
Demo Data..................................................................................................... 2-14
Filtering ......................................................................................................... 2-15
Serial Mode ................................................................................................... 2-15
Printer Options............................................................................................... 2-16
Printer Type............................................................................................... 2-16
Graphics .................................................................................................... 2-17
Audio Levels ................................................................................................. 2-17
General ...................................................................................................... 2-17
Keypad ...................................................................................................... 2-17
Errors......................................................................................................... 2-18
Restore Defaults ............................................................................................ 2-18
Utilities .............................................................................................................. 2-20
System Diagnostics ....................................................................................... 2-21
Linearization.................................................................................................. 2-21
Unlock Calibration ........................................................................................ 2-22
Information ........................................................................................................ 2-22
Operation ............................................................................................. 3-1
Measured Signals............................................................................................... 3-3
High Flow...................................................................................................... 3-3
Low Flow ...................................................................................................... 3-3
Airway Pressure............................................................................................. 3-3
Low Pressure ................................................................................................. 3-3
Barometric Pressure....................................................................................... 3-4
Oxygen Concentration................................................................................... 3-4
Screen Objects ................................................................................................... 3-6
Title Bar......................................................................................................... 3-7
Data Plots ...................................................................................................... 3-7
Breath Parameters.......................................................................................... 3-7
Statistics......................................................................................................... 3-9
Flow Screens...................................................................................................... 3-11
High-Flow Screen.......................................................................................... 3-11
Low-Flow Screen .......................................................................................... 3-12
Pressure Screens ................................................................................................ 3-13
High-Pressure Screen .................................................................................... 3-13
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