External Power Failure Alarm; Power Failure Alarm; Alarm Quiet; Backlight - BIO-MED DEVICES Crossvent-2i+ Operation & Service Manual

VIII. M A I N T E N A N C E
E X T E R N A L P O W E R F A I L U R E A L A R M
Connect the Bio-Med Devices Crossvent Power Supply to the power input on the rear of the Crossvent. (This connector is
keyed, align dot to dot.).
With the CROSSVENT turned ON, EXTRNL will appear in the lower left of the display.
After 1 minute of operation, remove external power plug.
EXTRNL will change to BATT and flash. The LED will flash and the audible alarm will sound.
Press BATT to stop the alarm.
The BATTERY key will revert its normal state with its bar graph indicating the percentage of battery charge left.
P O W E R F A I L U R E A L A R M
(Occurs when CROSSVENT looses power or is turned off)
With the CROSSVENT operating for a minimum of 1 minute, turn the CROSSVENT off with the On/Off Power Switch.
The LED will flash along with an audible alarm. Press the reset button on the front of the unit to silence the alarm.
A L A R M Q U I E T
With the CROSSVENT cycling and Alarm Quiet inactive, cause the unit to alarm, i.e., remove the patient circuit. The audible
alarm should sound along with a flashing LED.
Press the ALARM QUIET key and verify that the alarm silences for 60 sec.
Press the ALARM QUIET key twice and verify that the alarm silences for 120 sec.
Press it a third time to cancel.
B A C K L I G H T
While operating on battery, press the middle of Pressure Bar Graph, hold until a second beep is heard (≈3 seconds) and
verify that the BACKLIGHT turns off. Press anywhere on the display to turn back on.
L O C K
Press LOCK and verify that all functions except the MENU KEYS and ALARM QUIET are locked out.
Press LOCK once and then again within 5 seconds to unlock.
USE THESE SETTINGS FOR THE FOLLOWING TESTS UNLESS OTHERWISE INSTRUCTED:
ASSIST CONTROL FUNCTIONS (SET TO Assist Control MODE)
A U T O S E T
Connect patient circuit with Lung and O2 Sensor to CV-2i+.
Turn CV-2i+ ON, in ALARM 2 Menu turn ON O2.
Return to ALARM 1 Menu.
While CV-2i+ is cycling, press AUTO SET twice and verify that after 5 breaths the following occurs:
LOW
PEAK
-30%

RATE

-30%
EXHTV
EXHMV
PEEP
CPAP
MEAN
O
-5
2
R A T E
Connect a patient circuit to a Rate Test Standard and cycle the Crossvent.
Set various RATE settings and verify that delivered rates are within 10% of the set rate.
T I D A L V O L U M E
Connect the patient circuit to a Tidal Volume Test Standard.
Turn on the unit and set the PIP knob fully CW.
Set the TV (see note) to 30 and Flow to 6 and verify delivered Tidal Volume is within 10%. Repeat for TV 60, and 90.
A N D S E R V I C E -
Rate = 20 bpm; INSP = 0.30 sec; Flow = 10 lpm
A/C
HIGH
+30% -30%*
+30%
UNAFFECTED
N/A
+5
C O N T .
SIMV
LOW HIGH
+30%*
-30% +30%
UNAFFECTED
UNAFFECTED
OFF
-5 +5
47
CPAP
LOW HIGH
MINIMUM 80 cmH2O
MINIMUM MAXIMUM
N/A N/A
-3 cmH2O +3 cmH2O
-5 +5