Rigol DSA1030, User Manual

Page: 134 / 287

RIGOL Front Panel Key Reference
2-80 User’s Guide for DSA1000 Series

If Span is selected, setting the Span Pair will keep the center position of the two
markers and move them towards the two sides (value increasing) or the middle
(value decreasing).

If Center is selected, setting the Span Pair will keep the relative distance of the
two markers and move their center position towards the left (value decreasing) or
right (value increasing).

This is different from the “Delta” type marker, in that you can modify both the
Reference Marker and Delta Marker at the same time.
2.5.1.6 Off
T
urns off the current selected marker. The marker information displayed on the screen
and functions based on the marker will also be turned off.
2.5.1.7 Mkr Trace
Selects a trace to be used on the current marker from 1, 2, 3, Math or Auto (default).
When Auto is selected, the system searches the desired trace in the order of Clear
Write, Max Hold, Min Hold, Video Avg, Power Avg, Freeze, and then selects one of
them in sequence of the trace number 1, 2 and 3 if more than two traces are found.
2.5.1.8 Readout
Selects a desired readout type of X-axis for the marker from Frequency, Period, ΔTime
and 1/ΔTime. Note this setting will cause a change in the type of readout but not in
actual value. The type you select would also affect the marker readout shown on the
active area and the upper right of screen.
1.
Frequency
In this type, Normal marker shows the absolute frequency and Delta marker,
Delta Pair marker and Span Pair marker show the frequency difference
between the Delta Marker and Reference Marker.
The default readout in non-zero span mode is Frequency.