moves the active marker to the minimum point on the trace.

is used to define the lowest frequency at which a calibration kit standard can be used during measurement calibration. In waveguide, this must be the lower cutoff frequency of the standard, so that the analyzer can calculate dispersive effects

correctly (see 3X?IWB &5UlY ).

leads to the marker search menu, which is used to search the trace for a particular value or bandwidth.

puts a fixed reference marker at the present active marker position, and makes the fixed marker stimulus and response values at that position equal to zero. All subsequent stimulus and response values of the active marker are then read out relative to the llxed marker. The fixed marker is shown on the display as a small triangle A (delta), smaller than the inactive

marker triangles. The softkey label changes from $$l!B ZEBU to

.,.

.waft.........m’. A* .& .:<A and the notation “AREF = A” is displayed at the top right comer of the graticule. Marker zero is canceled by turning delta mode off in the delta marker menu or turning all the markers off with the UL WF softkey.

leads to the modify cal kit menu, where a default cal kit can be user-modified.

present a menu for color modification of display elements. Refer to Adjusting Color for information on modifying display elements.

sets the analyzer to network analyzer mode.

activates the sequence edit mode and presents the new/modify sequence menu with a list of sequences that can be created or modified.

puts a new line command into the display title.

steps forward through a tabular list of data page-by-page.

triggers a user-specified number of sweeps, and returns to the hold mode. This function can be used to override the test set hold mode, which protects the eledro-mechanical transfer switch and attenuator against continuous switching. This is explained fully in the Test Set Attenuator description in the “Application and Operation Concepts” chapter, in this manual.

If averaging is on, the number of groups should be at least equal to the averaging factor selected to allow measurement of a fully averaged trace. Entering a number of groups resets the averaging counter to 1.

B-28 Key Definitions

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Image 517
HP 8753E manual Moves the active marker to the minimum point on the trace