Agilent Technologies 8504B - Page 104

FINAL TRIM SIZE : 7.5 in x 9.0 in
P
erforming
Measurements
Creating Limit
Lines
Draw
the
limit-line
segments
8.
Press 4
SYSTEM
5
.
9.
Press
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
LIMIT
MENU
and
then
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
LIMIT
LINE
ON
.
This
makes
the
limit
lines
visible
.
Don't
worry
if
the
position
of the
signal
on
your
screen
doesn't
exactly
match
the
gures in
this tutorial.
At
the
end
of
the
tutorial,
you
can
simply increase
the measurement
span
and
move
the
limit
lines
.
10.
Press
N
N
N
N
N
N
N
N
N
NN
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
N
N
EDIT
LIMIT
LINE
.
11.
Press
N
N
N
NN
NN
NN
N
N
ADD
to enter
a limit
segment and
turn
on
a
marker
.
The
reectometer
enters a
default
segment
for
you.
This
segment
is
positioned
horizontally
at 400
mm,
has
upper
and
lower
vertical
limits
of 0
dB,
and is
a
sloping
line
(SL).
It
is
not
visible
now
.
12.
Press
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
POSITION
VALUE
,
and
enter
33 mm.
A
limit
line
appears
on
the
screen
at
the
0
dB
level
(the
top
graticule
line
in
this
example).
13.
Press
N
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
N
UPPER
LIMIT
,
and
enter
0
57
dB
.
Press
4
x1
5
to
terminate
the
entry
.
This
moves the
limit
line
down
to
0
57
dB
.
What
looks
like
one line
is
actually
two:
limit
lines
are
entered
in
pairs
.
14.
Enter
0
55
dB
to
move
the upper
limit line
up
to
0
55
dB
.
See
the
following
gure
.
3-27
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