Agilent Technologies 8719D User Manual page 101

b. 'lb uncouple the channel stimulus so that the channel power will be uncoupled, press:
This will allow you to separately increase the power for channel 2 and channel 1,
so that you can observe the gain compression on channel 2 while channel 1 remains
unchanged.
c. To display the ratio of channel 2 data to channel 1 data on the channel 2 display, press:
This produces a trace that represents gain compression only.
10. Increase the power until you observe approximately 1 dB of compression on channel 2,
using the step keys or the front panel knob.
11. 'Ib locate the worst case point on the trace, press:
M a k i n g M e a s u r e m e n t s