4 Install/Service Menus
M1046983 04/08 4-25
4.5.7 Paw Span The Airway P Span instructions appear when the focus is on Paw Span menu
item.
Refer to Section 5.4.6, “Paw Span.”
Instructions
Paw Span menu
Read all steps before you start:
1. Complete the Bleed Resistor calibration.
2. Install the flow sensor and circuit module
3. Put a #2 plug in the drive gas port of the vent engine.
4. Put the calibrated orifice in the manifold port of the vent engine.
5. Connect the pressure tee to the insp port. Connect the tee to the calibrated
orifice with a 22 mm tube.
6. Connect a pressure gauge to the pressure tee.
7. Select Start Paw Span.
8. Increase the flow valve setting until the gauge shows 100 cmH2O.
9. Select Save Calibration
Menu Item Message text Values/Comments
Insp Flow Valve (DAC) Increase setting until test gauge
shows 100 cmH2O
(approximately 1020 counts).
Then save calibration.
0 to 4095
(initially set to 800)
Disabled until user
selects "Start Paw
Span".
Start Paw Span Start Calibration. Increase flow
valve setting until test gauge =
100 cmH2O (approximately
1020 counts). Then save
calibration.
Blocked text:
Connect a supply of the drive
gas to continue.
Blocked if the
ventilator drive gas
supply pressure
would cause a gas
supply failure alarm
during normal
operation.
Save calibration Save Paw Span calibration. Saves new
calibration data.
Writes calibration
result, date and time
to the event log.
Previous Menu Return to the previous menu.
During Calibration:
“Calibration in progress. Push
ComWheel to cancel.”