Product Manual

Operational and Functional Tests
Service Manual 3-31
• The LED is off.
• The monitoring system turns off automatically.
3.4.2 Functional Tests
To perform functional tests:
1. Read SRC-MAX Overview, p. 3-31 to become familiar with the pulse oximetry
functional tester (Nellcor model SRC-MAX).
 Note:
For the waveform tests, the display will show a pulse waveform of approximately
1/2-inch peak to peak (P-T-P) amplitude. Actual amplitude may vary but will be a
reference for low pulse amplitude/low light patients.
2. Once the SRC-MAX is attached to the DEC-4 cable and the SRC-MAX and moni-
toring system are turned on, complete all of the tests in sequence, beginning with
BPM (PR), then %SpO
2, then Modulation, and finally Light Level.
SRC-MAX Overview
 WARNING:
The SRC-MAX is a functional tester that verifies operation of the monitoring
system. It cannot be used to assess the accuracy of the monitoring system's
%SpO
2 and pulse rate readings.
The SRC-MAX functional tester enables qualified technicians to functionally
test Nellcor OxiMax technology-based monitoring systems and OEM OxiMax
technology-based monitoring systems. Figure 3-4 provides a brief description
of each test.
Table3-4.Functional Tests with SRC-MAX
Tests Descriptions
BPM Test The test procedure simulates an OxiMax pulse oximetry sensor attached to a
patient indicating a pulse rate of 60 BPM and 200 BPM.
%SpO
2 Test
The test procedure simulates an OxiMax pulse oximetry sensor attached to a
patient indicating a 75% blood oxygen saturation and 90% blood oxygen
saturation.