Agilent Technologies 8504B - Page 269

FINAL TRIM SIZE : 7.5 in x 9.0 in
Error
Messages
Message Denitions
NO
SOURCE
FOUND
-CHECK
POWER TO
TEST SET
A
C
mains
power
is
not
reaching
the lightwave
section, or
the
reectometer
has
no
installed
source
.
GPIB
error number:
103
NO
VALID MEMORY
TRACE A
request to
display a
memory
or
trace
math
operation
has occurred,
but a
data
trace
has
not
been
previously
stored
in
memory
. (See
DA
T
A
-
>
MEMORY
under
DISPLA
Y
.)
GPIB
error number:
54
NO
VALID STATE
IN REGISTER
A request
to
recall
an
internal
register
has
occurred,
but
an
instrument
state has
not
been
previously
saved.
(See
S
A
VE)
GPIB
error
number:
55
NOT
ENOUGH
SPACE
ON
DISK
FOR
STORE
The
disk
is
full;
purge
les
or
replace
with
another
disk.
GPIB
error
number:
44
ONLY
LETTERS
AND
NUMBERS
ARE
ALLOWED
When
titling
a
register
or
le
,
only
alphanumeric
characters
are
allowed.
Rename
the
register/le
appropriately
.
GPIB
error
number:
43
OPTIONAL
FUNCTION;
NOT
INSTALLED
An
attempt
has
been
made
to
use
an
optional
function
for
which
that
option
has
not
been
installed.
GPIB
error
number:
1
PLOTTER:
not
on,
not
connected,
wrong
addrs
The
plotter
does
not
respond
to
control.
V
erify
power
to
the
plotter
,and
check the
GPIB
connection
between
the
reectometer
and
the
plotter.
Ensure that
the plotter
address
recognized
by
the
reectometer
matches
the GPIB
address
set
on
the
plotter itself.
GPIB error number: 26
7-8
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