General Programming 8
M8190A User’s Guide 277
8.22.8 :TRACe[1|2]:DEFine:NEW? <length> [,<init_value1>[,<init_value2>]]
<length> [,<init_value1>[,<init_value2>]]
 <length> – length of the segment in samples for direct modes or in I/Q sample
pairs for interpolated modes
 <init_value1> – optional initialization value. For direct modes this is a DAC value.
For interpolated modes this is the I-part of an I/Q sample pair.
 <init_value2> – optional initialization value, only applicable for interpolated
modes. This is the Q-part of an I/Q sample pair.
Use this query to define the size of a waveform memory segment. If <init_value1> is
specified (direct modes) or <init_value1> and <init_value2> (interpolated modes) are
specified, all sample values in the segment are initialized. If not specified, memory is
only allocated but not initialized. If the query was successful, a new <segment_id>
will be returned.
Query
Define a segment of length 480 samples. Returns the segment id.
TRAC1:DEF:NEW? 480
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