Marker Functions; Sa Noise Marker - Agilent Technologies FieldFox N9912A User Manual

Peak A = Valid Peak (Above Threshold and Excursion Settings)
Peak B = Invalid Peak (Below 1 dB Excursion Setting)
Peak C = Invalid Peak (Below –10 dB Threshold Setting)

Marker Functions

Marker functions are used to change FieldFox frequency or distance settings to
those of the active marker.
How to use Marker Functions
 Activate the marker to move.
 Then press Mrk ->/Tools
 Then
 Then choose one of the following:
The following applies to DTF Measurements ONLY:
Data Analysis Features
Excursion: 1 dB
o
Scale = 1 dB / Division.
o
Mkr ->
Mrk -> Center (Not available in DTF or SA mode with zero span) The center
o
frequency of the measurement becomes the value of the active marker. The
frequency span is adjusted accordingly.
(NA mode ONLY.) The group delay value of the active marker
Mkr -> Delay
o
becomes the electrical delay setting of the trace. Learn how to set group
delay format on page 40. Learn more about electrical delay on page 42.
(SA mode ONLY) The reference level becomes the magnitude
Mkr->RefLev
o
of the active marker.
(SA mode with Tune & Listen ONLY) The Tune & Listen
Mkr->Tune Freq
o
Frequency becomes the frequency of the active marker.
then:
More
o
Marker=>Start Distance
o
the value of the active marker. Markers that would no longer appear on the
screen are moved to the new Start Distance.
The Start Distance of the measurement becomes
129