User manual

RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA800 Series
2-2
Basic Settings
FREQ
Set the frequency parameters of the analyzer. The analyzer sweeps within a
specified frequency range, and the sweep is restarted every time you change the
frequency parameters.
The frequency range of a channel can be expressed by either of two groups of
parameters: Start Frequency and Stop Frequency（
start
f
/
stop
f
） ; or Center
Frequency and Span（
center
f
/
span
f
）. If any of the parameters is changed, the
others would be adjusted automatically in order to ensure the coupling relationship
among them:
2)(
startstopcenter
fff 
(2-1)
startstopspan
fff 
(2-2)