ADInstruments S7200 Operation Manual page 248

AD INSTRUMENTS S7200 TV Signal Analyzer Operation Manual
Marker to the center frequency
Tap the soft button [TO CF], and the marker will position itself at the center
frequency of the on-screen spectrum curve automatically as shown in Figure
6-137 below.
Marker->Center
Span Span
Start Stop Start Stop
Figure 6-137 Marker -> Center
Marker -> REF
Tap the soft button [TO REF], the position of the active marker will be set as
reference level as shown in the Figure 6-138 below.
Figure 6-138 Marker -> Ref
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