7 Care, Maintenance and Tests
179
8. Remove the Calibration Cover, and put the Inlet Filter back in place.
9. Select Start.
This calibration takes approximately 90 seconds during which the message
Working is displayed on screen.
When the calibration is completed the Calibration screen is displayed.
10. Select Close.
The Save pop-up window appears (Figure 156).
Figure 156: Save Calibration pop-Up Window
11. Select Yes to save the calibration and to close the Calibration screen.
VENTILATOR VERIFICATION TESTS
The Ventilator Verification Test (VVT) is a set of simple self-tests designed to
confirm ventilator functionality. It is designed as a troubleshooting procedure to
check the operation of a multitude of functions. A series of simple user prompts
guides the user through each step.
NOTE The Ventilator Verification Test should be performed quarterly, or
whenever a Call Service pop-up window appears.
It is necessary to perform a VVT after a software update.
When the iVent
TM
201 detects that a VVT has not been performed, or if for any
reason the iVent
TM
201 has failed to pass a VVT previously, a warning pop-up
window appears (Figure 157).
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