26 
Measuring Multiple Signals
Comparing Signals not on the Same Screen Using Marker Delta
5 Place a marker at the 
highest peak on the 
display (10 MHz). 
• Press Peak Search.
6 Set the center frequency 
step size equal to the 
marker frequency.
• Press Marker →, Mkr → 
CF Step.
7 Activate the marker delta 
function.
.
8 Increase the center 
frequency by 10 MHz.
• Press FREQ Channel, 
Center Freq, ↑.
The first marker and delta markers 
move to the left edge of the screen, at 
the amplitude of the first signal peak.
9 Move the delta marker to 
the new center frequency. 
• Press Peak Search. Figure 2-4 shows the reference 
annotation for the first marker (52) at 
the left side of the display, indicating 
that the 10 MHz reference signal is at a 
lower frequency than the frequency 
range currently displayed. The delta 
marker (1Δ2) appears on the peak of 
the 20 MHz component. The delta 
marker results block displays the 
amplitude and frequency difference 
between the 10 and 20 MHz signal 
peaks.
Figure 2-4  Delta Marker with Reference Signal Off-Screen
Step Action Notes