Page 10-4 LTV
®
Series ventilator Operator’s Manual
p/n 10664, Rev. Y
Apnea Interval
Use this menu item to establish the apnea interval. The apnea interval is the maximum time allowed
between the beginning of one breath and the beginning of the next breath.
To modify the Apnea Interval:
1) Push the Select button while APNEA INT is displayed.
2) APNEA xx sec is displayed.
3) Turn the Set Value knob until the desired setting is displayed.
4) Push the Select button.
Range: 10 - 60 sec
High Pressure Alarm Delay
Use this menu item to select immediate or delayed audible notification for High Pressure Alarms.
When NO DELAY is selected, the audible alarm is sounded for all High Pressure alarms.
When DELAY 1 BRTH or DELAY 2 BRTH is selected and a high pressure condition occurs, the
breath is terminated and the HIGH PRES message is posted. The audible alarm is not sounded until
the number of consecutive breaths with a high pressure condition meets the delay setting, (two
breaths for DELAY 1, three breaths for DELAY 2).
Any time a high pressure condition persists for more than 3 seconds, the audible alarm will be
sounded, regardless of the delay setting.
To modify the High Pressure Alarm Display:
1) Push the Select button while HP DELAY is displayed.
2) NO DELAY, DELAY 1 BRTH, or DELAY 2 BRTH is displayed.
3) Turn the Set Value knob until the desired setting is displayed.
4) Push the Select button.
Options: NO DELAY, DELAY 1 BRTH, DELAY 2 BRTH
Low Peak Pressure Alarm
Use the LPP ALARM item to select the type of breaths that the Low Pressure alarm applies to.
When ALL BREATHS is selected, the Low Pressure alarm setting applies to all breath types: Volume
Control, Pressure Control, Pressure Support, and Spontaneous. When the peak pressure during any
breath does not exceed the Low Pressure setting, the LOW PRES alarm will occur.
When VC/PC ONLY is selected, the Low Pressure alarm setting applies only to Volume Control and
Pressure Control breaths. It does not apply to Pressure Support and Spontaneous breaths. When the
peak pressure during any Volume Control or Pressure Control breath does not exceed the Low
Pressure setting, the LOW PRES alarm will occur.
Options: ALL BREATHS, VC/PC ONLY
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