RIGOL DSA875 - Manual (Page 131)

Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800 Series 2-79
Select Mkr
Select one of the four markers and the default is Marker1. When a marker is
selected, you can set its type, trace to be marked, readout type and other related
parameters. The enabled marker will appear on the trace selected through the
Mkr Trace option and the readouts of this marker are also displayed in the active
function area and at the upper right corner of the screen.
Table 2-55 Marker parameters
Parameter Explanation
Default 3.75 GHz
Range 0 to 7.5 GHz
Unit Readout = Frequency (or Period), units available are
GHz, MHz, kHz, Hz (or ks, s, ms, us, ns, ps);
Readout = Time (or 1/Δtime), units available are ks, s,
ms, us, ns, ps (or GHz, MHz, kHz, Hz)
Knob Step Readout = Frequency (or Period), step = Span/(Sweep
Points -1);
Readout = Time (or 1/Δtime), step = Sweep
Time/(Sweep Points -1)
Direction Key Step Readout = Frequency (or Period), step = Span/10;
Readout = Time (or 1/Δtime), step = Sweep Time/10
Normal
One of the marker types. It is used to measure the X (Frequency or Time) and Y
(Amplitude) values of a certain point on the trace. When selected, a marker with
the number of the current marker (such as “1”) appears on the trace.
Key Points:
 If no active marker exists currently, a marker will be enabled automatically at
the center frequency of the current trace.
 You can use the numeric keys, knob or direction keys to move the marker. The
readouts of the marker will be displayed at the upper right corner of the
screen.