Agilent Technologies 8719D User Manual page 271

With the 2-port calibration on, faster measurements may be made by not measuring the reverse
path for every forward sweep. This is controlled by the test set switch command.
When making measurements using full two-port error-correction, the following types of test set
switching can be defined by the user:
Hold: In this mode the analyzer does not switch between the test ports on every sweep. The
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measurement stays on the active port after an initial cycling between the ports. The fastest
measurements can be made by using this type of test set switching. Pressing the LMeas) key or
changing to a different S-parameter measurement will cause the test set to switch and cycle
between the ports.
In this mode the analyzer will switch between the test ports
Continuous:
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Although this type of test set switching provides the greatest measurement accuracy, it also
takes the longest amount of time.
Number of Sweeps:
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then the measurement stays on the active port for a user-defined number of sweeps. After
the specified number of sweeps have been executed, the analyzer switches between the
test ports and begins the cycle again. This type of test set switching can provide improved
measurement accuracy over the hold mode and faster measurement speeds than continuous
mode.
1. lb access the test set switch functions, press:
2. 'Ib activate the hold mode, press:
3. To activate the continuous mode, press:
4. lb enter the number of sweeps, press:
In this mode there is an initial cycling between the test ports and
sweep.
on every
Optimizing Measursment Results 6-67