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couples the marker stimulus values for the two display
channels. Even if the stimulus is uncoupled and two sets of
stimulus values are shown, the markers track the same stimulus
values on each channel as long as they are within the displayed
stimulus range.
places markers only on measured trace points determined by
the stimulus settings.
allows the marker stimulus values to be controlled
independently on each channel.
moves the active marker to the maximum point on the trace.
is used to define the highest frequency at which a calibration
kit standard can be used during measurement calibration. In
waveguide, this is normally the upper cutoff frequency of the
standard.
key provides access to a series of
softkey
menus for selecting
the parameters or inputs to be measured.
ffJiiks=
ltlixr#T
aborts the sweep in progress, then restarts the measurement.
This can be used to update a measurement following an
adjustment of the device under test. When a full two-port
calibration is in use, the
l4K&%M
.&BT&TO
key will initiate
.
another update of both forward and reverse S-parameter data.
This softkey will also override the test set hold mode, which
inhibits continuous switching of either the test port transfer
switch or step attenuator. The measurement configurations
which cause this are described in Test Set Attenuator, Test
Port Transfer Switch, and Doubler Switch Protection, at the
beginning of this section. This
softkey
will override the test set
hold mode for one measurement.
If the analyzer is taking a number of groups (see Trigger
l&mu),
the sweep counter is reset at 1. If averaging is on,
. . .
.=
,~~
.BBT&RT.
resets the sweep-to-sweep averaging and is
/
. . . .
..i
. . . .:
. . .
i:
. . . .
.:i..
i:.:.
.:.:
..:.
,,,,,
effectively the same as
.~~~~~~~
~N3TtiT.
If the sweep
trigger is in
jK!L@
mode, :&Z@l&,
RlBT&T
executes a single
. . . . . . . . . . . . .
sweep.
displays the trace memory for the active channel. This is the
only memory display mode where the smoothing and gating of
the memory trace can be changed. If no data has been stored in
memory for this channel, a warning message is displayed.
provides access to a series of menus which are used to
dehne
and control all stimulus functions other than start, stop, center,
and span. When the
IMenu)
key is pressed, the stimulus menu is
displayed.
/
sets the midpoint for
!33$#%&
I&#XTLj
. It uses the entry controls
to set a specified amplitude
value
vertically centered between
the limits.
Key Definitions
9-27