The Persistence View displays the signal level over time using a color spectrum. The colors from blue to green to red indicate the frequency of the occurrence, whereby blue being the least and red the most frequent value.
Ref. Lev. / Atten.
Lmax
Lrange
Fcent/Fspan, Fstart/Fstop
RBW / EBW
Meas. Time
Config
Display
Demod.