Figure 12: Red Led Low Light Setting - Nellcor OxiMax SRC-MAX Technical Manual

Performance Verification
Note:
9. Select the High Light setting on the SRC-MAX. Measure
24

Figure 12: RED LED Low Light Setting

This figure and the following waveform figures
represent typical measurements. The actual
measured waveforms may vary in amplitude and
scale.
the peak-to-peak voltage across the 1 meg ohm resistor
on Channel 2 of the oscilloscope. The peak-to-peak
voltage should be 2.4 to 3.6 volts peak-to-peak. See
Figure 13.