HP 83480A User Manual

The Digital Communications
Analysis Menus
Mask Test Menu
The database continues to build until the instrument stops acquiring data or
all three functions (color graded display, mask testing, and histograms) are
deactivated. The instrument stops acquiring data when:
 the power is cycled.
 the 4
Stop/Single
5 hardkey is pressed

the
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Run until... softkey in the Mask Limit Test or Histograms menus is
set to stop acquiring data after a specied number of waveforms or samples
are acquired.
Even if the display is set to show only the most recent acquisition (minimum
persistence),
the
database
keeps
track
of
all
pixel
hits
while
the
database
is
building.
Y
ou
can
clear
the
database
by
pressing:

4
Clea
r
displa
y
5
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Test
When
the
T
est
function
is
on,
the
database
begins
building,
if
color
grade
and
histograms
are
not
already active
,
and
the
data
is
compared
to
the
current
mask.
When
the
Test
function
is
o,
the
data
is
not
compared
to
the
mask.
K
ey
Path
4
Shift
5
4
Mask
test
5
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Test
on
or
o
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
Create
mask...
The
Create
Mask
function
activates
menus
that
allow
the
use
of
industry
standard
masks
,
user-dened
masks
,
or
masks
dened
by
a
reference
waveform.
Key Path 4
Shift
54
Mask test
5
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Create mask...
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Automask... The Automask function creates a mask from a reference waveform. This
function
is
useful
when
you
have
a
known
good
waveform.
A tolerance
can
be
dened
around
the
waveform
and
other
waveforms
can
be
tested to
the
mask.
Key Path
4
Shift
54
Mask test
5
N
NN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNN
Create mask
NN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNN
Automask...
6-7

HP 83480A Specifications

General

Brand	HP
Model	83480A
Category	Measuring Instruments
Language	English