HP 3585A Service Manual page 52

Operation Overview
Marker/Offset Entry Functions
The Marker IOffset entry functiuns are time saving, single-key operating aids which allow
the operator to quickly perform frequently used manipulations such as centering a signal
and moving it to the top of the screen. They also make it easy to enter an arbitrary Frequen­
cy Span, "zoom-in" on a signal of interest or enter the Cent er-Frequency Step size:
Sets the Cent er-Frequency equal to the current Marker, Counter or Manual fre­
quency, and moves Marker to the Cent er-Frequency point on the CRT trace.
(To quickly move a response to the cent er of the screen, set the Marker to
the peak of the response with
Sets Reference Level equal to Marker amplitude.
(To move a response to the top of the screen, simply set the Marker to the
peak of the response and press
Sets Frequency Span equal to displayed "Offset " frequency. Operates only when
OFFSET function is activated.
(Set the Marker to the desired Start Frequency, activate
press :::: ; move the Marker to the desired Stop Frequency and
press
Sets the Center-Frequency Step Size (also Manual frequency step size) equal to the
Marker, Counter, Manual or Offset frequency, whichever is being displayed.
3-20
)
.
SPAN
and then press
W
Of'Il'S[f
Model 3585A
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