HP 8753D - Page 497

is
no practical
maximum limit.
Set the
directory
size
before
initializing
adisk.
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DISK UNIT
NUMBER
species
the number
of
the
disk
unit
in
the
disk
drive
that
is
to
be
accessed in
an
external
disk
store
or
load
routine
.
This
is
used
in conjunction
with
the
HP-IB
address
of
the
disk
drive
,
and
the volume
number,
to
gain
access
to
a
specic
area
on
a
disk.
The
access
hierarchy
is
HP-IB
address
,
disk
unit
number
,
disk
volume
number
.
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DISP
MKRS
ON
off
displays
response
and
stimulus
values
for
all
markers
that
are
turned
on.
A
vailable
only
if
no
marker
functions
are
on.
4
DISPLA
Y
5
provides
access
to
a
series
of
menus
for
instrument
and
active
channel
display
functions
.
The
rst
menu
denes
the
displayed
active
channel
trace
in
terms
of
the
mathematical
relationship
between
data
and
trace
memory
.
Other
functions
include
dual
channel
display
(overlaid
or
split),
display
intensity
,
color
selection,
active
channel
display
title
,
and
frequency
blanking.
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DISPLAY:
DATA
displays
the
current
measurement
data
for
the
active
channel.
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DISPLAY
TESTS
leads
to
a
series
of
service
tests
for
the display
.
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DO
BOTH FWD
+REV
activates
both forward
and
reverse
calibration
measurements
from
selected
calibration
menus
.
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DO
SEQUENCE
has
two
functions:
It
shows
the
current
sequences
in
memory
.
T
o
run
a
sequence,
press
the
softkey
next
to
the
desired
sequence
title
.
When
entered
into
a
sequence
,
this
command
performs
a
one-way
jump
to
the
sequence
residing
in
the
specied
sequence
position (SEQUENCE
1
through
6).
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DO
SEQUENCE
jumps
to
a
softkey
position,
not
to
a
specic
sequence
title
.
Whatever
sequence
is
in
the
selected
softkey
position
will
run
when
the
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DO
SEQUENCE
command
is
executed.
This
command
prompts
the
operator
to
select
a
destination
sequence
position.
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DONE
1-PORT
CAL
nishes
one-port
calibration
(after
all standards
are measured)
and
turns
error correction
on.
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DONE
2-PORT
CAL nishes
two-port
calibration
(after
all
standards
are
measured)
and turns error correction on.
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DONE RESP ISOL'N CAL
nishes response and isolation calibration
(after all standards
are measured) and turns error correction on.
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DONE RESPONSE
nishes response calibration (after all standards are measured)
and turns error correction on.
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DONE SEQ MODIFY
terminates the sequencing edit mode
.
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DONE TRL/LRM
nishes TRL/LRM two-port calibration (after all standards are
measured) and turns error correction on.
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DOWN CONVERTER
sets the analyzer's source higher than the analyzer's receiver
for making measurements in frequency oset mode.
Key Denitions 9-11