EXFO FTB-2 Guide De L'utilisateur page 470

IEEE 488.2 and Specific Command Reference
Specific Commands
Example(s)
See Also
454
When the data is returned in ASCII, the
<Length> is the number of significant digits to
be returned. A <Length> value of zero indicates
that the device selects the number of significant
digits to be returned.
FORM? returns ASCII,6
FORMat[:DATA]?
:FORMat[:DATA]?
FTB-2/FTB-2 Pro and FTB-4 Pro