Agilent Technologies 8504B - Page 97

FINAL TRIM SIZE : 7.5 in x 9.0 in
P
erforming
Measurements
Creating Limit
Lines
If
limit
lines
are
turned
on:

They
are
displayed.

They
are
included
on
plots
and
prints
.

In
tabular
format,
upper
limit,
lower
limit,
and
pass/fail
margins
are
listed
(space
permitting).

Limit
lines
are
saved
in
instrument
states
.
If
limit
testing
is
turned
on:

PASS
or
FAIL
is
displayed
(even
if
the
limit
lines
are
not displayed).

F
ailing
portions
of
the
trace
are
displayed
in
a
dierent
color
.
Entering limit
lines is
easy
F
or
each
segment,
you
must
enter
a
starting
position
(distance
or
time),
an
upper
and
lower
limit,
and
the
segment
type
.
Alternately
,
you
can
enter
delta
limits
instead
of
upper
and
lower
limits
.
F
or
example
,
a
device
may
be
specied
at
0
dB
6
3
dB
.
Enter
the
middle
value
as
0
dB
and
the
delta
limits
as
3
dB
.
Y
ou
can
enter
these
values
using
the
key
pad
or
by
setting
the
marker
at the
value
and
pressing
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NN
N
N
N
MARKER
!
POSITION
or
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N
N
MARKER
!
MIDDLE
.
Up
to
22
limit-line
segments
can
be
added
to
the
table
in
any order
.
The
precision
reectometer
automatically
sorts
them. The
table shows
up
to
three
segments;
to
scroll
through
a
longer
table
,
use
the
N
N
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N
SEGMENT
softkey
.
In
the
table
,a
pointer character
>
shows
which
segment
is
selected
for
editing.
If
you
need
edit
a
segment,
select
it
rst
using
the
N
N
N
N
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N
SEGMENT
softkey
.
3-20
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