Agilent Technologies 8504B - Page 99

FINAL TRIM SIZE : 7.5 in x 9.0 in
P
erforming
Measurements
Creating Limit
Lines
Indications
of
pass/fail
conditions
Several
indications of
pass or
fail
status
are
provided
when
limit
testing
is
on:
A
PASS or
FAIL message
is
displayed
at
the
right
of
the
display
.

The trace
vector leading
to any
measured
point
that
is
out
of
limits
is
displayed
in a
dierent color
.It
appears
normal
on
a
print
or
plot.

The limit
fail
beeper
sounds
if
it
is
turned
on.

An asterisk
*
is
shown
next
to
any
listed
point
that
is
out
of
limits
.

Abit
is
set
in
the
HP-IB
status
byte
.
N
O
T
E
Limits are
checked only
at the
actual
measured
data
points.
If
the
point
density
is
insucient,
a
device can
be out
of specication
without
displa
ying
FAIL
.
Be
sure
to
specify
a
suitable
number
of
measurement
points.
Limit
lines
can
be
shifted
Limit
lines
can
be
oset
horizontally
or
vertically
. This
is
useful
for
changing
the
limits
to
correspond
with
a
change
in
the test
setup,
or
for
device
specications
that
dier
in
stimulus
or
amplitude
.
It can
also be
used
to
move
the
limit
lines
away
from
the
data
trace
temporarily for
visual examination
of
trace detail.
N
O
T
E
The three
oset ke
ys (
N
N
NN
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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
N
N
AMPLITUDE OFFSET
,
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
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N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
MARKER !
AMP.OFF. ,
and
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
POSITION
OFFSET )
shift
the
limit
segments
but
do
not
change
the
limit
values
in the
table
.
If
the limit segments look out of place
, check to see
if they have been shifted in position or amplitude
.
3-22
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