Agilent Technologies 4395A - Page 169

Setting
the
Frequency
Range
Setting the
Frequency Range
The
4395A
has
some
useful features
for setting
the frequency
range.
This section
provides the
following
procedures
that
are
related to
setting the
frequency range
.
Setting
the
center
frequency
Setting
the
marker
position
to center
Setting
the
maximum
peak
to center
Changing
the
center
with
the specied
step size
Setting
the
frequency
span
Narrowing the
span setting
(SA mode)
Setting
the
frequency range
to full
span
Setting
the
sweep parameters
using 4
Sta
rt
5
and
4
Stop
5
Zooming
to
a
part
of the
trace
Changing
the
zooming
factor
Displaying
a
zoomed
trace
on
the
other
channel
Zooming
between
the
marker
and
the
1marker
Setting
the
Center
Frequency
1.
Press
4
Center
5
to
activate
the
center
frequency
function.
2. Change
the
center
frequency
to
place
the
target
signal
in
the
center
of
the
grid
by
using
the
following
keys:
T
o
Use
Set
directly
4
0
5
.
.
. 4
9
5
and
units
terminator keys
Change
continuously
Change with
1-2-5
steps
1
4
*
54
+
5
1
You
can change
the step
size of
4
*
5
4
+
5
.See
\Change the
Center Frequency
by the
Specied
Step
Size
"
in this
section.
Setting
the
Marker
P
osition
to Center
1. Press
4
Marker !
5 . A reverse-triangle shaped marker appears
.
2. Place the marker on the position you want to set to the center by using the rotary knob
.
3.
Press
NNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNN
MKR ! CENTER .
4. Press
4
Entry O
5 .
The
above procedure causes the 4395A to immediately use the marker-pointed frequency as
the center frequency. If you are measuring an unknown signal, display the signal in full span
rst. Then move the signal to the center using this function.
Setting and Optimizing Measurement Conditions 6-15