HP 8712ES User Manual page 131

Figure 3-35
3. Figure 3-35 shows an example of an actual measurement. Note the
marker readout in the upper right corner of the display. The marker
values are frequency, resistance, reactance, and the equivalent
capacitance or inductance, respectively.
Example of an Impedance Measurement
ES User's Guide
Making Measurements
Measuring Impedance using the Smith Chart
3-79