User`s guide
Functions and Measurements 3
N9320A Spectrum Analyzer 33
Figure 3 shows the reference annotation for the delta 
marker (1R) at the left side of the display, indicating that the 
marker set at the 50 MHz reference signal is at a lower 
frequency than the frequency range currently displayed.
Figure 3 Delta Marker with Reference Signal Off-Screen
The delta marker appears on the peak of the 100 MHz 
component. The delta marker annotation displays the 
amplitude and frequency difference between the 50 and 
100 MHz signal peaks.
7 Press 
 > Off to turn the markers off.
Marker










