Rigol DSA815, User Manual

Page: 141 / 241

Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800/E Series 2-89

ΔTime
In this type, Normal marker shows the time difference between the marker
and the start of the sweep; while Delta marker, Delta Pair marker and Span
Pair marker show the sweep time difference between the delta marker and
reference marker.
The default readout mode in Zero span mode is ΔTime.

1/ΔTime
In this type, the reciprocal of sweep time difference between the delta marker
and reference marker will be shown. When the time difference is zero, the
reciprocal is infinite and 100 THz is displayed.
Note: This type is available only in Zero span mode when a Delta type
marker is selected and is suitable for the frequency measurement of a video
signal.
Mkr Table
Enable or disable the Marker Table.
Display all the markers enabled on the lower portion of the screen, including
marker number, trace number, marker readout type, X-axis readout and amplitude.
Through this table you can view the measurement values of multiple points. The
table allows for up to eight markers to be displayed at one time.
Note: The marker table currently opened can be stored in external memory and
be recalled when needed. Press Storage to save the marker table according to
the method introduced in “Storage”.