4 Remote Interface Reference
246 Keysight 33210A User’s Guide
– If you copy to a waveform name that already exists, the previous waveform is
overwritten (and no error will be generated). However, you cannot overwrite
any of the five built-in waveforms.
– Up to four user-defined waveforms can be stored in non-volatile memory. If
memory is full and you try to copy a new waveform to non-volatile memory, a
“Not enough memory” error is generated. Use the DATA:DEL command to
delete the waveform in volatile memory or any of the four user-defined
waveforms in non-volatile memory. Use the DATA:CAT? command to list all
waveforms currently stored in volatile and non-volatile memory. The default
selection is EXP_RISE.
– The following statement shows how to use the DATA:COPY command to copy
the VOLATILE waveform into named storage “ARB_1”.
DATA:COPY ARB_1, VOLATILE
FUNCtion:USER {<arb name>|VOLATILE}
FUNCtion:USER?
Select one of the five built-in arbitrary waveforms, one of four user-defined
waveforms, or the waveform currently downloaded to volatile memory. The
:USER? query returns “EXP_RISE”, “EXP_FALL”, “NEG_RAMP”, “SINC”,
“CARDIAC”, “VOLATILE”, or the name of any user-defined waveforms in
non-volatile memory. The default selection is “EXP_RISE”.
– Note that this command does not output the selected arbitrary waveform.
Use the FUNC USER command (see the following page) to output the selected
waveform.
– The names of the five built-in arbitrary waveforms are:
“EXP_RISE”, “EXP_FALL”,
“NEG_RAMP”,
“SINC”, and “CARDIAC”.
– To select the waveform currently stored in volatile memory, specify the
VOLATILE parameter. The keyword “VOLATILE” does not have a short form.
– If you select a waveform name that is not currently downloaded, a “Specified
arb waveform does not exist” error is generated.
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