CareFusion LTV 1200 Service Manual page 279

Press the Sensitivity button and
rotate Set Value knob
Press and hold the Select button
Rotate the Set Value knob
Press the Select button and rotate
the Set Value knob
Press the Select button and
rotate the Set Value knob
Press the Select button and press
the Control Lock button (2) times.
E) Create a 6 Lpm leak past the
patient wye and wait for at least (2)
full breath cycles.
Set the Sensitivity value to 4 Lpm.
Observe Patient Effort LED on the
upper right side of the ventilator
control panel for a minimum of 30
seconds.
F) While monitoring the Patient Effort
LED, disconnect the test lung
momentarily during the exhalation
portion of the breath cycle.
5)
Perform a PEEP test.
A) Set the ventilator as follows:
Tidal Volume: 500
Breath Rate: 10
Inspiration Time: 1.0
Control Mode: Volume
PEEP: 0
B) Set the PEEP to 20
C) Set the PEEP to 5
Page 9-20
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LTV 1200, 1150, and 1100 Ventilator Service Manual

Status monitor displays "-" (sensitivity
deactivated).

Status monitor displays ALARM OP

Status monitor window displays VENT OP

Status monitor window displays LEAK
COMP

Status monitor window displays COMP ON

The Patient Effort LED should not flash
during and following the sensitivity being set
to 4 Lpm.

If the Patient Effort LED flashes:
This condition represents a failure of the
sensitivity test.

The Patient Effort LED should momentarily
flash and an inspiration should immediately
begin.

If the Patient Effort LED does not flash
and/or an inspiration is not given immediately
after the momentary disconnection of the test
lung:
This condition represents a failure of the
sensitivity test.

Measured PEEP must be 0 ± 1 cmH2O.

Displayed PEEP must be 0 ± 1 cmH2O.

Measured PEEP must be 20 ± 2 cmH2O.

Displayed PEEP must be 20 ± 2 cmH2O.

Measured PEEP must be 5 ± 1 cmH2O.

Displayed PEEP must be 5 ± 1 cmH2O.
p/n 18603-001, Rev. J