HP 8753D - Page 511

by
turning delta
mode o
in the
delta
marker
menu
or
turning
all the
markers o
with the
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ALL OFF
softkey.
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MODIFY
[
]
leads
to
the
modify
cal
kit
menu,
where
a
default cal
kit can
be
user-modied.
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MODIFY
COLORS
present
a
menu
for
color
modication
of
display elements
.
Refer
to
A
djusting
Color
for
information
on
modifying
display
elements
.
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NETWORK
ANALYZER
sets
the
analyzer
to
network
analyzer
mode
.
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NEW
SEQ/MODIFY
SEQ
activates
the
sequence
edit
mode
and
presents
the
new/modify
sequence
menu
with
a
list
of
sequences
that
can
be
created
or
modied.
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NEWLINE
puts
a
new
line
command
into
the
display
title
.
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NEXT PAGE
steps forward
through a
tabular
list
of
data
page-by-page
.
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NUMBER
OF
GROUPS
triggers
a
user-specied
number
of sweeps
,and
returns
to
the
hold
mode
.
This
function
can
be
used
to
override
the test
set
hold
mode,
which protects
the
electro-mechanical
transfer
switch
and attenuator
against continuous
switching.
This
is
explained
fully
in
the
T
est
Set
Attenuator
description
in
the
\Application
and
Operation
Concepts"
chapter
,
in
this
manual.
If
averaging
is
on,
the
number
of
groups
should
be
at
least
equal
to
the
averaging
factor
selected
to
allow
measurement
of
a
fully
averaged
trace
.
Entering
a
number
of
groups
resets
the
averaging
counter
to
1.
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NUMBER
OF
POINTS
is
used
to
select
the
number
of
data
points
per
sweep
to
be
measured
and
displayed.
Using
fewer
points
allows
a
faster
sweep
time
but
the
displayed
trace
shows
less
horizontal
detail.
Using
more
points
gives
greater
data
density
and
improved
trace
resolution,
but
slows
the
sweep
and requires
more
memory
for
error
correction
or saving
instrument states
.
The
possible
values
that
can
be
entered for
number of
points
are
3,
11,
26,
51,
101,
201, 401,801,
and 1601.
The number
of
points
can
be
dierent
for
the two
channels if
the stimulus
values are
uncoupled.
In
list
frequency
sweep
,
the
number
of
points displayed
is
the
total number of frequency points for the dened list (see Sweep
Type Menu).
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NUMBER
OF READINGS
determines the number of measurement/correction iterations
performed on each point in a power meter calibration. This
feature helps eliminate residual power errors after the initial
correction. The amount of residual error is directly proportional
to the magnitude of the initial correction. The user should
initially set the source power so that it is approximately
correct at the device under test. If power uncertainty at the
device under test is expected to be greater than a few dB,itis
recommended that the number of readings be greater than 1.
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OFFSET
selects the calibration standard load as being oset.
Key Denitions 9-25