Nellcor OxiMax N-550B Service Manual page 34

Performance Verification
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3. The N-550B will display:
• 75 %SpO2 (test pass criteria is 73 to 77 %SpO
• 60 bpm (test pass criteria is 57 to 63 bpm)
• alarm
Pulse Amplitude indicator - high level modulation
•
4. Perform Test #1: BPM on page 21. The Pulse Amplitude indicator
should indicate high level modulation.
5. Perform Test #2: SpO2 on page 22. The Pulse Amplitude indicator
should indicate high level modulation.
6. Press the SRC-MAX % Modulation selection button. The SRC-MAX %
Modulation LED will light.
7. The N-550B Pulse Amplitude indicator will stabilize and illuminate 4
bars with each pulse beat.
8. The N-550B will display:
• 75 %SpO2
• 60 bpm
• alarm
Pulse Amplitude indicator - low level modulation
•
)
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