I
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Frequency Keys
0
CF
Pressing the
m
key puts the instrument into the swept frequency mode, and
allows you to change the center frequency of the sweep.
This key puts the instrument into sweep mode and displays the center
frequency and frequency span in the FREQUENCY display. The CF and
SPAN Annunciators are turned on. The center frequency becomes the active
parameter. If the center frequency is changed to a value that would put one
end of the span beyond the legal range of the start and stop frequencies,
then the span is reduced to keep the start and stop frequencies in range.
The center frequency is always coupled to previously-set start and stop
frequencies by the equation:
CF=(START+STOP)/2.
Associated SCPI Commands
FREquency:MODE
SWEep
Sets the instrument to sweep mode.
FREquency:CENTer
<num>[suffixl
Sets the canter frequency to the
deslied value.
Associated 8350 Commands
CF
<num>[suffix]
Sets the canter frequency to the
desired value.
MKR--+C!F
When this function is selected (by pressing (SHIFT)
(CF)),
the center frequency
becomes the value of the active marker. The span width does not change. If
all markers are off when this key is pressed, then no action takes place. This
function works in either Start/Stop or CF/Span modes.
Associated SCPI Commands
MARKer[n]:FREQuency
?
Retriems
the value of the
marke/:
FREquency:CENTer
<freq
from
Sets the canter frequency to the
above>[suffix]
value of
the
markel
11-8
MC
Associated 8350 Commands
Sets the canter liequenq to the
value of the
actii
marker:
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General