Agilent Technologies HP 83711A - Page 41

P
erforming
Fundamental
Synthesizer
Operations
To
Read the
Contents of
the
Error
Queue
Programming Example
To
read the
entire contents
of
the
error
queue
,
run
the
following
program:
10
DIM
B$[160]
Dimensions
array
B
$
to
accept
160
characters
.
20 OUTPUT
719;
"SYST:ERR?"
Queries
the
oldest
uncleared
error
number
and
message
in the
HP-IB error
queue.
30
ENTER
719;
A,B$
Enters the
error number
into variable
A and
the
HP-IB
error
message
into
variable
B
$
.
40
PRINT
A,B$
Prints
the
error
number
and
HP-IB
error
mes-
sage
to
the
controller
screen.
50
IF
A<>0
THEN
20
R
eturns
to
line
20
if
there
are
more
errors
in
the
queue
.
60
END
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