5-20
Hardkey/Softkey Reference
Analyzer Functions
Power meter calibration occurs on each sweep. Each
measurement point is measured by the power meter,
which provides the analyzer with the actual power
reading. The analyzer corrects the power level at that
point. The number of measurement/correction iterations
performed on each point is determined by the
softkey. This measurement
mode sweeps slowly, especially when the measured power
is low. Low power levels require more time for the power
meter to settle. The power meter correction table in
memory is updated after each sweep. This table can be
read or changed via GPIB.
provides access to the calibration menu for ECal correction
routines and other menu choices that pertain to ECal
operation.
provides access to the service menu for ECal. In this menu
you can check the operation of the ECal module.
is located in the ECal service menu. This softkey allows
you to check ECal module parameters. The choices are:
CONF (confidence state), THRU, ISOL, S11 REFL, and
S22 REFL.
displays a table of limit segments on the LCD,
superimposed on the trace. The edit limits menu is
presented so that limits can be defined or changed. It is
not necessary for limit lines or limit testing to be on while
limits are defined.
presents the edit list menu. This is used in conjunction
with the edit subsweep menu to define or modify the
frequency sweep list. The list frequency sweep mode is
selected with the softkey described below.
selects the menu used to edit the ripple limits. The edit
ripple limits menu allows you to add, change, or delete
ripple limits for the ripple test.
adjusts the electrical delay to balance the phase of the
DUT. It simulates a variable length loss-less transmission
line, which can be added to or removed from a receiver
input to compensate for interconnecting cables, etc. This
function is similar to the mechanical or analog “line
stretchers” of other network analyzers. Delay is annotated
in units of time with secondary labeling in distance for the
current velocity factor.
causes the instrument to beep once.
terminates the HP-GL "LB" command.
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