624074/07 5-25
Rate Respiratory frequency or number of
breaths per minute.
Applies to mandatory breaths in
(S)CMV, P-CMV, SIMV, P-SIMV,
APVcmv, APVsimv, and DuoPAP modes.
1 to 150 b/min
Sigh Breaths delivered at a regular interval,
with a higher-than-normal pressure or
volume.
enabled or
disabled
T high Duration of high airway pressure level.
Applies to all breaths in DuoPAP and
APRV modes.
0.1 to 30 s
TI
1
Time to deliver the required gas (time
to reach the operator-set Vt or Pcontrol
value).
Applies to mandatory breaths, if the
ventilator is so configured.
The high limit on the TI value is 10 sec-
onds. This is due to a safety algorithm
ensuring a minimum exhalation phase.
0.1 to 10 s
%TI
1
Time to deliver the required gas (time
to reach the operator-set Vt or Pcontrol
value), as a percentage of the total
breath cycle.
Applies to mandatory breaths, if the
ventilator is so configured.
The high limit on the TI value is 10
seconds. This is due to a safety algo-
rithm ensuring a minimum exhalation
phase.
10 to 80% (of
cycle time)
Ti max
1
Maximum inspiratory time.
Adult/Pediatric/ Neonatal: Applies for
spontaneous breaths in non-invasive
ventilation modes. Neonatal: Applies
for all spontaneous breaths.
0.25 to 3.0 s
Table 5-2. Control settings, mode additions, and ranges
Parameter Definition Range
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