User manual

User’s Guide for DSA800 Series
Chapter 2 Front Panel Operation RIGOL
2-7
center frequency to hold the signal at the center of the screen.
If no marker is currently active, when Signal Track is enabled, the instrument
will activate Marker 1, execute a peak search automatically and set the
frequency of the current peak as the center frequency to hold the signal at the
center of the screen.
In continuous sweep, the system tracks the signal continuously; in single
sweep, only one track is done; in Zero Span, Signal Track is invalid.
Peak -> CF
Execute a peak search and use the frequency of current peak as the center
frequency (CF) of the analyzer. The function is invalid in Zero Span mode.
Figure 2-2 Before Peak->CF
Peak
Center Freq