HP HP 8712ES, User Manual, Page: 41 / 507

ES User’s Guide 2-7
Getting Started
Entering Measurement Parameters
Figure 2-3 Reference Positions
Entering the
Active
Measurement
Channel and Type
of Measurement The and keys allow you to choose which
measurement channel is active, and measurement parameters for that
channel. When a particular measurement channel is active, its display is
brighter than the inactive channel, and any changes made to
measurement parameters will affect only the active measurement
channel. (Some measurement parameters cannot be independently set
on each measurement channel. For these parameters, both channels will
be affected regardless of active channel status.)
1. To measure S
21
on measurement channel 1 and S
11
on measurement
channel 2, press the following keys:
2. Both channels' measurements are now visible on the analyzer's
display screen. Note that the active measurement channel's (channel
2) measurement trace is brighter than the other measurement
channel's trace. Refer to
Figure 2-4 .
MEAS 1 MEAS 2
PRESET MEAS 1
S21 Fwd Trans
MEAS 2
S11 Refl Port1