Span X Scale - Agilent Technologies ESA Series User's/Programmer's Reference

Core spectrum analyzer functions
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SPAN X Scale

This menu may change if one-button measurements are selected. Some
NOTE
measurements will alter the
measurement easier to use.
Activates the
Pressing
symmetrically about the center frequency. The frequency-span readout
describes the total displayed frequency range. To determine frequency
span per horizontal graticule division (when the frequency scale type is
set to linear), divide the frequency span by 10.
Allows you to enter a span frequency range value.
Span
Key Access:
Performs an automatic zoom so that the signal at the marker remains
Span Zoom
at the center of the display. If a marker is already on, the zoom begins
at the frequency of the marker. If a marker is not already on, a marker
is placed on the highest on-screen signal (ignoring the LO feedthrough).
Signal-track is turned on, and the span function is activated. Entering a
new span value causes the analyzer to change the span in steps,
keeping the signal centered on the screen until the desired span is
reached. The analyzer is left in Signal Track mode. Pressing
performs the routine similar to pressing the following keys:
Frequency
NOTE
Span Zoom
selected.
Span Zoom leaves the analyzer in Signal Track mode.
NOTE
Span Zoom is not available when
NOTE
Key Access:
Changes the analyzer span to full span showing the full frequency
Full Span
range of the analyzer. In external mixing mode, pressing
changes the analyzer span to the specified range for the selected
external mixing band. Full span sets
Segmented (Off)
Key Access:
Changes the frequency span to zero. In this mode, the current center
Zero Span
Chapter 2
Span X
function and accesses the menu of span functions.
Span
allows you to change the frequency range
SPAN X Scale
SPAN X Scale
,
, and
Signal Track (On)
is not available when the
SPAN X Scale
.
SPAN X Scale
Front-Panel Key Reference
menu keys to make the
.
Span
,
Frequency
Scale Type (Log)
is selected.
Segmented (On)
and
Signal Track (Off)
SPAN X Scale
Span Zoom
,
Search
is
Full Span
139

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