LTV 1200 Operator's Manual - CareFusion Emergency Preparedness

O 2 Cylinder Duration (cont.)
4) Turn the Set Value knob until CYL PRES is displayed, push the Select button and xxx psi is
displayed.
5) Turn the Set Value knob until the applicable cylinder pressure is displayed, push the Select
button and the cylinder pressure is set.
• Range: 100 - 2300 psi, in increments of 25, or
• Range: 5 - 150 bar, in increments of 1 (if the selected language uses the bar unit of
measurement)
• This setting is not retained by the ventilator through shut downs and power ups, will be reset
to the factory set default value if the Language setting is changed, and will need to be
reviewed/reset by the operator each time the O2 Cylinder Duration option is used.
• After changing this, or any ventilation setting, wait approximately 20 seconds before selecting
CALCULATE, to allow the ventilator to monitor the oxygen flow that will be used in the
calculation and display of the remaining usable time of the external O2 cylinder.
6) Turn the Set Value knob until CALCULATE is displayed and push the Select button.
• To obtain an accurate duration time estimate, the current cylinder pressure must be entered
prior to each calculation.
• After changing any ventilation setting, wait approximately 20 seconds before selecting
CALCULATE, to allow the ventilator to monitor the oxygen flow that will be used in the
calculation and display of the remaining usable time of the external O2 cylinder.
• When CALCULATE is selected, the ventilator uses the current ventilation values and settings
to calculate the remaining usable time of the external O2 cylinder specified and displays O2
DUR hh:mm (O2 duration in hours and minutes) for 60 seconds or until the message is
acknowledged by pushing the Select or Control Lock button, or by rotating the Set Value
knob on the front panel.
• Breath to breath variations may cause slightly different results in consecutive calculations.
Page 10-22 LTV ® 1200 Ventilator Operator’s Manual
p/n 18247-001, Rev. G