Mallinckrodt Nellcor N-20PA Service Manual page 15

SpO
5. Press the PRINTER ON button and reduce the High Saturation Alarm limit
below the live subject's value; typically 90 will be sufficient.
6. Momentarily press the DAY/DATE button and verify that the "90" in the
SpO display stops flashing and the "170" starts flashing.
2
7. Press the PRINTER PAPER ADVANCE button and increase the High Rate
Alarm limit to 190.
8. Momentarily press the DAY/DATE button; then verify that the following
display is shown and that the "85" is flashing.
SpO
9. Press the PRINTER ON button, and reduce the Low Saturation Alarm limit
to 80.
10. Momentarily press the DAY/DATA button, and verify that the "80" in the
SpO display stops flashing and the "40" starts flashing.
2
11. Press the PRINTER ON button, and reduce the Low Rate Alarm limit to 30.
12. Momentarily press the DAY/DATE button and verify that the monitor
returns to the normal monitoring display and indicates the subject's
saturation and pulse rate.
13. Verify that the monitor begins to alarm and that the SpO
flash.
14. Momentarily press the BATTERY TEST button, and verify that the alarm
remains silent for 2 minutes and that the SpO
Note: The alarm may be silenced as necessary for remainder of the test.
%
2
/ min
-
+
%
2
/ min
-
+
Performance Verification
reading begins to
2
reading continues to flash.
2
3-5