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Performance Verification
3.3.1
Battery Performance
3-2
To enter the diagnostic mode, connect the SRC-2 to the N-20PA while the
oximeter is off; then, turn the oximeter on. While in the diagnostic mode, a "d"
is displayed in the leftmost segment of the display. Note: No alarms sound while
in the diagnostic mode. Note also that, if the SRC-2 is disconnected while the
N-20PA is in diagnostic mode, the N-20PA shuts off automatically.
This test is provided to verify that the monitor will operate for the period
specified.
The monitor is specified to operate on battery power as follows:
N-20/PA (with printer)
This test requires a new set of batteries. Note that the batteries must be replaced
after the test.
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 then 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.
Software versions may vary depending on the date of manufacture.
The N-20PA 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 display momentarily indicates the letters
"tSt" and the monitor sounds a single tone. The other displays are not lit.
"tSt" verifies that the monitor recognizes that a tester is connected.
d. The OXYGEN SATURATION and PULSE RATE displays indicate
"0," the PULSE SEARCH indicator is flashing, and the PULSE BAR
will start to register the simulated pulse.
e. After a few beats, a pulse tone will be heard, and the PULSE SEARCH
indicator will turn off. The OXYGEN SATURATION display indicates
between 79 and 83 and the PULSE RATE display indicates between 37
and 39.
The N-20PA will indicate a "d" in the most significant digit (MSD) of
the OXYGEN SATURATION display when the SRC-2 is connected.
32 hours with Alkaline batteries.
Setting
38
LOW
LOW
RCAL 63/LOCAL
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