Nellcor OxiMax SRC-MAX - Figure 16: 3 Volts Peak-To-Peak at 3 Hz

Performance Verification
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4. Connect the oscilloscope positive lead to the phone
plug’s tip and the ground to the sleeve.
5. Adjust the oscilloscope for 3 volts peak-to-peak at 1 Hz.
See Figure 16.
.
Figure 16: 3 Volts Peak-to-Peak at 3 Hz
Note: The period of the signal should be 0.96 to 1.04
seconds.
6. The pulse width of the signal should be 50 to 100
milliseconds.
7. Select 200 BPM on the SRC-MAX.
8. Adjust the Oscilloscope for 3 volts peak-to-peak at 3 Hz.
See Figure 17.