Mallinckrodt Nellcor N-20PA Service Manual page 22

Portable pulse oximeter
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Performance Verification
3.3.3
Hardware and Software Tests
3.3.3.1 Operation with a Pulse Oximeter Tester
3-12
SpO
25. Momentarily press the DAY/DATA button and verify that the "85" in the
SpO
display stops flashing and that the "40" Rate Default starts flashing.
2
26. Momentarily press the DAY/DATE button and verify that the monitor
returns to the normal monitoring display and indicates the live subject's
saturation and pulse rate.
27. Press the MEASURE button until the monitor turns off.
Hardware and software tests include the following:
3.3.3.1 Operation with a Pulse Oximeter Tester
3.3.3.2 Normal Operation
1. Connect the Nellcor SRC-2 pulse oximeter tester to the monitor.
2. Set the switches on the SRC-2 as follows:
Switch
RATE
LIGHT
MODULATION
RCAL/MODE
3. Momentarily 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."
%
2
/ min
-
+
Setting
38
LOW
LOW
RCAL 63/LOCAL

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