HP 8753D - Page 68

Setting
the Frequency
Span
Y
ou can
set
the
span
equal
to
the
spacing
between
two
markers
.
If you
set the
center
frequency
before you
set
the
frequency
span,
you
will
have
a
better
view
of
the area
of
interest.
1.
Press 4
MARKER
5
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1MODE
MENU
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NN
1REF=1
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MARKER
2 .
2.
Turn
the
front
panel
knob
or
enter
a value
from the
front panel
keypad to
position
the
markers
where
you
want
the
frequency
span.
Iterate
between
marker
1
and
marker
2
by
pressing
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N
Marker
1
and
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N
MARKER
2
,
respectively
,
and turning
the
front
panel
knob
or
entering
values
from
the
front
panel
keypad
to
position
the
markers
around
the
center
frequency
.
When
nished
positioning
the
markers
,
make
sure
that
marker
2
is
selected
as
the
active
marker
.
Note
Step
2
can also
be performed
using
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MKR
ZERO
and
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N
MARKER
1
.However
,when
using
this
method,
it
will
not
be
possible
to
iterate
between marker
zero and
marker
1.
3.
Press
4
MARKER
F
CTN
5
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N
NN
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N
N
MARKER
!
SPAN
to
change
the
frequency
span
to
the
range
between
marker
1
and
marker
2.
Figure
2-16.
Example
of
Setting
the
Frequency Span
Using Marker
j
Making Measurements 2-19