Philips M3921A, Service Manual

Page: 33 / 150

Hardware and Software Tests
Performance Verification 21
1. Confirm that the Bio-Tek simulator is in test mode. The simulator should display
Pressure Gauge
.
2. Confirm that the simulator is set up for the internal cuff.
3. Confirm that the NiBP Test screen is active on the monitor.
• On the A1, press, then release, the Heart Rate Tone
VOLUME
button
to verify that the valve is closed.
• On the A3, press the ALARM SILENCE button to ensure that
both valves are closed.
4. Perform an offset adjustment so that the simulator and monitor both display a
pressure of 0 mmHg by doing the following:
a.
Press the
CONTRAST
button on the monitor.
b. Press the ZERO button on the simulator.
5. Press the
SELECT
button on the simulator until the simulator displays
Pressure Source Set Test Pressure
.
6. Use the
UP/DOWN
buttons on the simulator to adjust for a pressure of 250
mmHg.
7. Press the START PUMP button on the simulator. The simulator begins to
pressurize. The current pressure in mmHg is displayed on both the simulator and
the monitor displays.
8. Allow 15-20 seconds for the pressure to stabilize.
The pressure displayed on the monitor and the simulator should be within 5
mmHg of one another to complete the test successfully.
9. Press the
STOP PUMP
button on the simulator to stop the test.
10. Press and hold the Heart Rate Tone VOLUME button until the monitor
displays a pressure of 0 mmHg.
Additional NiBP tests can be performed at this time. If no further NiBP tests
are to be conducted, turn the monitor off. Normal monitoring operation
returns the next time the monitor is turned on.