Key Reference
Frequency
114
Freq Offset Allows you to input a frequency offset value that is added to
the frequency readout of the marker, to account for
frequency co versions external to the analyzer. Offset entries
are added to all frequency readouts including marker, start
frequency, and stop frequency. Offsets may only be entered
using the numeric keypad. Offsets are not added to the span
or frequency count readouts. Entering an offset does not
affect the trace display. When a frequency offset is entered,
its value appears on the bottom of the display. To eliminate
an offset, perform a Factory Preset, or press Freq Offset, 0, Hz.
When a frequency offset is entered, its value appears on the
bottom of the display (as opposed to reference level offsets,
which appear on the left side of the display). To eliminate
an offset, press Freq Offset, 0, and Enter. Pressing Preset also
sets the offset to zero.
Key access:
Signal Track
On Off
Softkey moves the signal nearest the active marker to the
center of the display and maintains the signal at the center
of the display. “ST” will appear in the lower- left corner of
the display.
Pressing Signal Track (Off); > Preset (Preset Type set to
Factory); or
> All Off will turn off the signal track
function.
Toggling signal track to on and reducing the span initiates
an automatic zoom and will reduce the span in steps, so
that the signal remains at the center of the display. Signal
track cannot be activated, if the span is set to zero.
Key access:
Frequency
Preset/
System
Marker
Frequency
NOTE
If no marker is active, pressing Signal Track (On) activates a marker,
perform a peak search, and center the marker on the display.
Switching to zero span turns Signal Track (Off).
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