Agilent Technologies 8504B - Page 134

FINAL TRIM SIZE : 7.5 in x 9.0 in
Programming
Controlling the
Instrument
Use
suxes
to
specify
units
The
following suxes
can be
used
as
units
.
If
no
sux
is
used,
the
precision
reectometer
assumes the
default values
for
the
instruction.
Upper
and
lower
case
characters are
equivalent.
Distance
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MM,
UM
(microns),
NM
Return
Loss :
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DB
Time
::
:
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::
::
: S
(default), MS
,
US
(microseconds),
NS
,
PS
,
FS
How
command
names
are
determined
The
HP-IB
Commands
are
derived
from
their
front
panel
ke
y
titles
(where
possible),
according
to
the
naming
conventions
below
.
Some
commands
require
arguments
(for
example
,
on,
o,
1,
2).
Where
possible
,
the
8504
reectometer
commands are
compatible with
8702 and
8703 lightwave
component
analyzer
commands.
HP-IB
Command
Naming
Convention
Convention Letters
Used
in
Command
Example
K
ey
Title
HP-IB
Code
One
word
First
four
letters
CORREC
TION
CORR
T
wo
words
First
three
letters
of
rst
word
and
rst
letter
of
second
word
ZERO
SP
AN
ZERS
MAX
SEARCH
MAXS
T
wo
words
in
a
group
First
four
letters
of
both
MARKER
!
CENTER
MARKCENT
4-7
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