Tektronix WCA200A, User Manual

Page: 349 / 454

Marker Operation and Peak Search
WCA230A & WCA280A User Manual
3- 223
Selects which marker is being controlled in the delta marker mode.
If markers are disabled, pressing this key enables Marker 1.
Sets instrument parameters based on the marker position(s).
Center Freq = Marker Freq. Changes the center frequency to match the current
marker position.
Analysis Time = Marker Time.
Demod and Time modes only. Sets the origin of
an analysis range with the marker in the overview. For the detail, refer to Setting
the Analysis Range
on page 3--30.
Positions the marker to the highest peak signal.
Moves the marker lower or higher in frequency to the next signal, respectively.
Moves the marker higher or lower in amplitude to the next signal, respectively.
The definition of “next” can be set in the Marker Setup menu, using Peak Search
Freq. Threshold or Hor. Threshold. Refer to Setting the Minimum Jump of the
Marker
on page 3--231.
SELECT
MARKER
➡
PEAK
Marker Left (
A
)
/ Right (
"
)
Marker Up (
Y
)
/ Down (
B
)