Performance Verification
N5500 Service Manual 21
Performance
Verification, N5500
3.3.5.3 Pulse Oximetry Operation with SpO
2
simulator
1. Connect the monitor to an AC power source.
2. Turn on the monitor by pressing the Power On/Off switch.
3. Connect the DOC-10 pulse oximetry cable after the monitor completes POST.
4. Connect the SRC-MAX simulator to the other end of the DOC-10 cable.
5. The monitor will:
- be in SpO
2
alarm
- display an SpO
2
of 75 (Test pass criteria is 73 to 77 % SpO
2
)
- display a pulse rate of 60 (Test pass criteria is 57 to 63 bpm)
- display low level modulation
6. Test #1: SpO
2
i.
Press the SRC-MAX % SpO
2
selection button. The SRC-MAX % SpO
2
90 LED will light.
ii.
The monitor will display three dashes until the SRC-MAX stabilizes at
90 % SpO
2
. The test pass criteria is 88 to 92 % SpO
2
.
iii.
The monitor will display:
- 90 % SpO
2
- 60 bpm
- no alarm
7. Test #2: Pulse rate (bpm)
i.
Press the SRC-MAX PULSE RATE selection button. The SRC-MAX
PULSE RATE 200 LED will light:
ii.
The monitor will increase to 200 bpm. The test pass criteria is 197 to 203
BPM.
iii.
The monitor will display:
- 90 % SpO
2
- 200 bpm
-alarm: “High heart rate limits violated” message will display and heart
rate display will flash, indicating pulse rate is above default high alarm
limit (medium priority alarm).
iv.
Press the SRC-MAX PULSE RATE selection button. The SRC-MAX
PULSE RATE 60 LED will light.
v.
The monitor will decrease to 60 and stabilize at 60 bpm. The test pass
criteria is 57 to 63 bpm.
vi.
The monitor will display:
- 90 % SpO
2
- 60 bpm
- no alarm
- low level modulation