Figure 1: N-550B Front Panel; Figure 2: N-550B Rear Panel - Nellcor OxiMax N-550B Service Manual

N-550B
1 — SpO Sensor Port
2
Power On/Off
2 — Button
% SpO
3 — Display
2
4 — Pulse Amplitude Indicator
Pulse Rate
5 — Display
Alarm Silence
6 — Button
7 — Alarm Silence Indicator
Adjust Up
8 — Button
Adjust Down
9 — Button
10 — Pulse Rate Alarm Limit
Button
11 — SatSeconds Display

Figure 1: N-550B Front Panel

1 — Data Port Connector
2 — Foot Switch Connector

Figure 2: N-550B Rear Panel

12 — SatSeconds Alarm Limit Button
SpO Alarm Limit
13 —
2
Motion
14 — Indicator
15 — Sensor Off Indicator
Sensor Message
16 —
Pulse Search
17 — Indicator
18 — Data In Sensor Indicator
Low Battery
19 — Indicator
AC Power
20 — Indicator
21 — Speaker
3 — AC Power Connector
4 — Equipotential Terminal
Introduction
Button
Indicator
3