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Chapter 5 239
Language Reference
FORMat Subsystem
FORMat Subsystem
The FORMat subsystem sets a data format for transferring numeric
and array information.
Byte Order
:FORMat:BORDer NORMal|SWAPped
:FORMat:BORDer?
Selects the binary data byte order for numeric data transfer. In normal
mode the most significant byte is sent first. In swapped mode the least
significant byte is first. (PCs use the swapped order.) Binary data byte
order functionality does not apply to ASCII.
Factory Preset
and *RST: Normal
Numeric Data format
:FORMat[:DATA] ASCii|REAL,32|REAL,64
:FORMat[:DATA]?
This command controls the format of data output, that is, data transfer
across any remote port. The REAL and ASCII formats will format trace
data in the current amplitude units.
The format of state data cannot be changed. It is always in a machine
readable format only.
ASCII - Amplitude values are in ASCII, in amplitude units,
separated by commas. ASCII format requires more memory than the
binary formats. Therefore, handling large amounts of this type of
data, will take more time and storage space.
Real,32 (or 64) - Binary 32-bit, or 64-bit, real values in amplitude
unit, in a definite length block. Transfers of real data are done in a
binary block format.
A definite length block of data starts with an ASCII header that begins
with # and indicates how many additional data points are following in
the block. Suppose the header is #512320.