Mallinckrodt Nellcor N-20PA Service Manual page 14

Performance Verification
SRC-2 Settings
RATE
112
201
201
3.3.2.2 Adult Defaults and Alarm Limit Ranges
3-4
LIGHT MODULATION
HIGH1 HIGH
LOW LOW
LOW HIGH
The following procedure will allow verification of the monitor's adult factory
defaults, adjusting those defaults, and automatic reset to factory defaults.
1. Place a new set of batteries in the monitor.
2. Connect the DS-100A sensor to the monitor and place the sensor on a live
subject.
3. Press the MEASURE button, and verify the following power-up sequence:
a. All indicators--OXYGEN SATURATION, PULSE RATE, PULSE
SEARCH, LOW BATTERY, and the PULSE BARS--light for a few
seconds. Verify that the OXYGEN SATURATION and PULSE RATE
displays indicate "888."
b. The OXYGEN SATURATION display momentarily indicates the
monitor 3-digit software version. The other displays are not lit.
Note: Software versions may vary depending on the date of manufacture.
Note: The monitor will display the letters "PA" in the PULSE RATE display
while the software version is being displayed in the OXYGEN
SATURATION display.
c. The OXYGEN SATURATION and PULSE RATE display "0" in each
window, the monitor sounds a single tone, and the PULSE SEARCH
indicator is lit. The other displays are not lit.
d. The monitor will begin to track the pulse and after a few beats will
display the subject's Oxygen Saturation and Pulse Rate.
the subject's OXYGEN SATURATION is below 91, select another
If
subject to facilitate the test procedure as written.
4. Press and hold the BATTERY CHECK button and then momentarily press
the DAY/DATE (D/D) button on the top of the monitor. Verify that the
following display is shown and that the "dashes" are flashing. The "H"
indicates that the High Alarm Limits can be set. The "dashes" in the SpO2
display indicate that the present setting is the Adult Default of 100% and
cannot be increased.
Monitor Indications
SpO PR
2
81+ 2 112+ 2% (110 - 114)
81+ 2 201+ 3% (195 - 207)
81+ 2 201+ 3% (195 - 207)