HP 37717C Calibration Manual page 323

Figure 3-63
Figure 3-64
N OTE
Performance Tests
STS-3 Transmitter Output Waveshape (Option 120)
STS-3 Eye Diagram Pattern
STS-3 Eye Diagram Mask
If the mask is not available then Figure 3-64 may be traced/copied and compared with
the Oscilloscope print out.
3-214