Inogen – G2, G3, G4
The steps below explain how to read the hours of usage for all Inogen portable oxygen concentrators:
- Power on the machine, after running for 15 seconds press and hold the bell button.
- Read the top number on the display.
- This is the hours and minutes the machine has been running.
Respironics – SimplyGo
The steps below explain how to read the hours of usage for SimplyGo portable oxygen concentrators:
- Power on the machine, hours will display immediately.
- Read the top number on the display.