HP 83480A User Manual

General Purpose Oscilloscope Menus
FFT Menu
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Magnify
The Magnify function allows you to zoom in on a portion of the FFT record.
Use o to view the entire FFT spectrum, and use on to view a portion of the
spectrum.
The Magnify softkey aects which two keys are displayed below it. When
magnify is o, the Span and Resolution softkeys are displayed. When Magnify
is on, the Magnify Span and Center Freq softkeys are displayed. The Magnify
Span and Center Freq softkeys use software expansion to rescale the FFT.
K
ey
Path
4
FFT
5
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Display
On
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
FFT
Scaling
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Magnify
On
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
Magnify
Span
The
Magnify
Span
softkey
is
displayed when
Magnify is
set
to
on.
The
Magnify
Span
softkey
uses
software
expansion
to
zoom
in
on the
FFT
record.
The
span
can
be
entered
in
steps
of
1,
2,
and
5.
Y
ou
can
also
enter
any
magnication
spans
from
the
keypad.
K
ey
Path
4
FFT
5
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Display
On
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
FFT
Scaling
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Magnify
On
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
Magnify
span
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
Center
Freq The
Center Freq
softkey
is
displayed
when
Magnify
is
set
to
on.
The
Center
Freq
softkey
uses
software
expansion
to
center
the frequency
record to
the
desired
frequency
.
Key Path 4
FFT
5
NNNNNNNNNNNNNNNNNNNNNNN
Display On
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FFT Scaling
NNNNNNNNNNNNNNNNNNNNNNN
Magnify On
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Center freq
10-26

HP 83480A Specifications

General

Brand	HP
Model	83480A
Category	Measuring Instruments
Language	English