HP 8753D - Page 528

directly
to each
other unless
the computer
sets
up
a
data
path
between
them.
This
mode allows
the
analyzer
to
be
either
a
talker
or
a
listener
,
as
required by
the
controlling
computer
for
the
particular
operation
in progress
.
A
talker
is
a
device
capable
of
sending
out
data
when
it
is
addressed
to
talk.
There
can
be
only
one
talker
at
any
given
time
.
The
analyzer
is
a
talker
when
it
sends
information
over
the
bus
.
A
listener
is
a
device
capable
of
receiving
data
when
it
is
addressed
to
listen.
There
can
be
any
number
of
listeners
at
any
given
time
.
The
analyzer
is
a
listener
when
it
is
controlled
over
the
bus
by
a
computer
.
N
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NN
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TARGET
makes
target
value
the
active
function,
and
places
the active
marker
at
a
specied
target
point
on
the
trace
.
The
default
target
value
is
0
3
dB
.
The
target
menu
is presented,
providing
search
right
and
search
left
options
to
resolve
multiple
solutions
.
F
or
relative
measurements
,
a
search
reference
must
be
dened
with
a
delta
marker
or
a
xed
marker
before
the
search
is
activated.
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N
TERMINAL
IMPEDANCE
is
used
to
specify the
(arbitrary) impedance
of
the
standard,
in
ohms
.
N
N
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N
NN
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NN
TEST
OPTIONS
is
used
to
set
congurations
before
running the
service
tests
.
N
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NN
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N
TESTPORT
1
2
is
used
to
direct
the
RF
power
to
port
1
or
port
2.
(F
or
non-S
parameter
inputs
only
.)
N
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TESTSET
I/O
FWD
is
used
to
support
specialized
test
sets
,
such
as
a
testset
that
measures
duplexers
.
It
allows
you
to
set
three
bits
(D1,
D2,
and
D3)
to
a
value
of
0
to 7,
and outputs
it as
binary from
the
rear
panel
testset
connector
.
It
tracks
the coupling
ag, so
if
coupling
is
on,
and
FWD
channel
1
is
the
active channel,
FWD
channel
2
will
be
set
to
the
same
value
.
N
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NN
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N
TESTSET
I/O
REV
is
used
to
support
specialized
testsets
, such
as a
testset that
measures
duplexers.
It allows
you to
set three
bits (D1,
D2,
and
D3)
to
a
value
of
0
to
7,
and
outputs
it as
binary
from
the
rear panel testset connector
. It tracks the coupling ag, so if
coupling is on, and REV channel 1 is the active channel, REV
channel 2 will be set to the same value
.
NNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNN
TESTSET SW XXXX
toggles
the internal solid state switch from a hold mode
,toa
continuously switching mode
,or
to a number of sweeps mode
when full 2-port correction is enabled.
Use for fast 2-port
calibration.
N
NNNNNNNNNNNNNNNN
TESTS presents the service test menu.
NNNNNNNNNNNNNN
TEXT
selects all the non-data text for color modication. For
example: operating parameters.
NNNNNNNNNNNNNNNNNNNNNNNNNN
TEXT [ ]
brings up the color denition menu. The default color for text
is black.
9-42 Key Denitions