Select one of the seven built-in arbitrary waveforms, one of the four user-
defined waveforms, or the waveform currently downloaded to volatile
memory. The :USER? query returns EXP_RISE, EXP_FALL,
HAVERSINE, SINC, CARDIAC, VOLATILE, GAUSSIAN, NEG_RAMP or
the name of any user-defined waveforms in non-volatile memory.
This command does not output the selected arbitrary waveform. Use the
FUNC USER command to output the selected waveform.
The names of the seven built-in arbitrary waveforms are: EXP_RISE,
EXP_FALL, HAVERSINE, SINC, CARDIAC, VOLATILE, GAUSSIAN,
NEG_RAMP.
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.
The instrument does not distinguish between upper- and lower-case letters.
Therefore, ARB_1 and arb_1 are the same name. All characters are
converted to upper case.
Use the DATA:CAT? command to list the names of the seven built-in
waveforms (non-volatile).
VOLATILE if a waveform is currently downloaded to volatile memory, and the
names of any user-defined waveforms (non-volatile).
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