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F
Query
Errors
These
are
error
messages
in
the
range
-400
to
-499.
They
show
that
an
error
has
been
detected
by
the
output
queue
control.
A
device-specic
error
is
signaled
by
the
query
error
bit
(bit
2)
in
the
event
status
register
.
-300
Query
error
.
This
shows
that
a
query
error
has
occurred.
No
more
specic
information
is
available
.
-410
Query
INTERRUPTED
.
A
condition
occurred
that
interrupted
the
transmission
of
the
response
to
a
query
(for
example
,
a
query
followed
by
a
D
AB
or
a
GET
before
the
response
was
completely
sent).
-420
Query
UNTERMINA
TED
.
A
condition
occurred
that
interrupted
the
reception
of
a
query
(for
example
,
the
instrument
was
addressed
to
talk
and
an
incomplete
program
message
was
received).
-430
Query
DEADLOCKED
.
A
condition
causing
a
deadlocked
query
has
occurred
(for
example
,
both
the
input
and
the
output
buer
are
full
and
the
device
cannot
continue).
-440
Query
UNTERMINA
TED
after
indenite
response
.
Two
queries
were
received
in
the
same
message
.
The
error
occurs
on
the
second
query
if
the
rst
requests
an
indenite
response
,
and
was
already
executed.
Error
Messages
F-7