5-33
Hardkey/Softkey Reference
Analyzer Functions
sets the lower limit value for the start of the segment in a
limit line list. If an upper limit is specified, a lower limit
must also be defined. If no lower limit is required for a
particular measurement, force the lower limit value out of
range (for example −500 dB).
mega/micro (10
6
/ 10
−6
)
allows the insertion of a different thru during the ECal
correction routine. When turned ON, the routine will
pause for the insertion of the thru and display a menu that
contains a continue and abort softkey.
waits for a manual trigger for each point. Subsequent
pressing of this softkey triggers each measurement. The
annotation “man” will appear at the left side of the display
when the instrument is waiting for the trigger to occur.
This feature is useful in a test sequence when an external
device or instrument requires changes at each point.
displays an active marker on the screen and provides
access to a series of menus to control from one to five
display markers for each channel. Markers provide
numerical readout of measured values at any point of the
trace.
The menus accessed from the key provide several
basic marker operations. These include special marker
modes for different display formats, and a marker delta
mode that displays marker values relative to a specified
value or another marker.
uses the active marker to set the amplitude offset for the
limit lines. Move the marker to the desired middle value of
the limits and press this softkey. The limits are then
moved so that they are centered an equal amount above
and below the marker at that stimulus value.
changes the stimulus center value to the stimulus value of
the active marker, and centers the new span about that
value.
sets the CW frequency of the analyzer to the frequency of
the active marker. This feature is useful in automated
compression measurements. Test sequences allow the
instrument to automatically find a maximum or minimum
point on a response trace. The
command sets the instrument to the CW frequency of the
active marker. When power sweep in engaged, the CW
frequency will already be selected.
Marker
Marker
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