Chapter 7
7-24
BiPAP Vision Service Manual © Respironics, Inc.
1062788
Testing and Calibration
7.7.2
Power Indicator and LCD Controls Test
1. Connect the AC power cord and verify that the MAIN POWER indicator
is lit.
2. Power up the ventilator. Once the system self test is complete, record
the total operating time displayed at the bottom of the Test exhalation
port/language screen.
3. Press
MONITORING
and select Options. Verify that the adjustment
knob controls Brightness and Contrast.
4. Press
MONITORING
to exit.
7.7.3
Pressure Accuracy Test
NOTE:
When the Low rate alarm occurs during this test, press Alarm silence.
1. Select the following:
2. Set CPAP pressure and activate CPAP mode:
•
In CPAP mode: select
PARAMETERS
,
Set CPAP
,
5 cmH
2
O
.
•
In S/T mode: select
MODE
,
CPAP
,
5 cmH
2
O
,
Activate new mode
.
•
In PAV/T mode: select
MODE
,
CPAP
,
5 cmH
2
O
,
Activate new
mode
.
3. Enter
SJL
(all capital letters, no carriage return) at the service laptop
keyboard to view the ventilator system parameters (when you enter the
command the display shows only a blinking cursor). (If necessary, see
Section 7.2 for more information on service laptop setup.)
4. Adjust the flow restrictor to a flow of 0 LPM (+ 0.5 LPM).
If there is oscillation, open the flow restrictor slightly until the
oscillation stops, then slowly close the valve.
Alarms:
Alarm module B:
Scale:
Hi P alarm
50
Lo MinVent
Disabled
P
45 cmH
2
O
Lo P alarm Disabled
High rate
50
Vol
1500 mL
Lo P delay
60
Low rate
4
Flow
100 L/min
Apnea Disabled
Time
base
9
s