HP 8712ET User Manual page 90

Making Measurements
Measuring Reflection Response
Figure 3-17 Example of a Reflection Measurement Display
3. To quickly determine the filter's return loss, press
4. See
3-38
then use the front panel knob, the
keypad to read the value of return loss at the desired frequency.
"Using Instrument Functions" on page 4-1
information on using markers to interpret measurements.
MARKER and
keys, or the numeric
for detailed
ET User's Guide