IV. S E T U P A N D O P E R A T I N G I N S T R U C T I O N S - C O N T .
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2- DETAILED OPERATING INSTRUCTIONS
Turn the ON/OFF switch to the ON position. The unit comes on in the Main menu in the same mode it was in when last
turned off.
Press the ALARM QUIET key to increase the temporary audible alarm silence period from 60 seconds to 120 seconds if
desired. It may be used as many times as necessary to cancel the audible alarm until the alarm limits are set. The
EXTERNAL POWER or BATTERY indicator will come on depending on the condition of the power supply. The
ventilator will cycle at the rate set on the rate key and the inspiratory source CONTROL indicator will come on during each
inspiration. If the ventilator auto-cycles, indicated by ASSIST or SPONT in the Inspiratory Source Window, the inspiratory
effort should be increased using the Flow Trigger key.
Select desired mode, e.g., SIMV.
The Crossvent-2i+ primary function keys and control knobs should be set to the desired initial values using method in table
below:
CONTROL
METHOD
RATE
ARROWS
TIDAL VOLUME or
INSP, if displayed
ARROWS
ARROWS
L/MIN (FLOW)
KNOB
PIP
KNOB
PEEP/CPAP
KNOB
FLOW TRIGGER
ARROWS
NOTE: A highlighted field indicates that a parameter has been selected and may be adjusted using the
arrow keys.
Press the AUTO SET key. It is necessary to press this key twice within 5 seconds in order to activate the auto-limit
function. This initiates the automatic computation of high and low limits for all primary alarm parameters.
NOTE: The AUTO SET key should always be used to establish initial limits. These may be used
for patient monitoring, in order to facilitate setup or may be set temporarily until “custom limits” are
entered to suit specific clinical requirements. Any or all of the limits may then be manually changed.
Verify proper operation.
Connect the ventilator to the patient.
Adjust Flow Trigger and/or other controls for the particular patient. Observe operating parameters and make fine
adjustments.
If it is desired to manually change alarm limits, they may now be entered. Press the Alarm 1/Alarm 2 key until the desired
alarm menu is displayed. Select the desired alarm parameter, e.g., e.g., the HIGH PEAK PRESSURE key. This will appear
highlighted. Use the arrow keys to select the desired value. This sequence of keys, i.e., alarm parameter limit and arrow
keys must be used when entering all limits. Once the limit has been entered in memory it may be changed at any time by
repeating the sequence.
WARNING: IT IS IMPERATIVE TO VERIFY THAT CLINICALLY
APPROPRIATE ALARM LIMITS ARE FULLY OPERATIONAL FOLLOWING
CONNECTION OF THE VENTILATOR TO A PATIENT.
WARNING: IT IS IMPORTANT TO NOTE THAT ONCE THE O2 SENSOR
HAS BEEN TURNED OFF, THE ALARM FOR THAT SENSOR IS
INOPERATIVE.