HP 8753E Programming And Command Reference Manual page 140

Outputs the active channel number,
where:
2 = channel 2
n
Outputs the error corrected data from the
active channel.
Fast data transfer command for
OUTPDATA .
Outputs the trace data indexed by point
(see SELPT[D]).
Outputs the trace data for range of points
(see SELMINPTID], SELMAXPT[D]).
Outputs the oldest error message in the
error queue. Sends first the error number,
and then the error message itself as a
string no longer than 50 characters.
This command is similar to OUTPLIMF
except that it reports the number of
failures first, followed by the stimulus and
trace values for each failed point in the
test.
Outputs the formatted display data array
from the active channel. See Ylhble l-4 for
the contents of the array as a function
of display format. See also FORMn
command.
Fast data transfer command for
OUTPFORM.
HP-IB Programmi ng and Command Reference Guide