Keysight N1911A Programming Manual page 737

Examples of <arbitrary block program data> parameters are:
– #15FETC? and #206FETCh?
Examples of <string program data> are:
– "FETCh1?", "FETCh?" and "TRIG1;FETC1"
Reset Condition
On reset, the <action> field of *DDT is set to *TRG.
Query
*DDT?
The query returns the action which is performed on receipt of a GET or *TRG. This
is returned as a <definite length arbitrary block response data> value which is in
the form of #nN<action> as described on
Error Message
– If an invalid parameter is received, error –224, "Illegal parameter value"
N1911A/1912A P-Series Power Meters Programming Guide
occurs.
IEEE 488.2 Command Reference
page 702.
17
737