General Programming 6 
 
Keysight M8195A Revision 2 – Arbitrary Waveform Generator User’s Guide    255 
 
 
6.21.15  :TRAC[1|2|3|4]:DEL:ALL 
 
:TRACe[1|2|3|4]:DELete:ALL 
 
Delete all segments. The command can only be used in program mode.  
If the channel is sourced from Extended Memory, the same segment is deleted on all 
other channels sourced from Extended Memory. 
 
 
 
6.21.16  :TRAC[1|2|3|4]:CAT? 
 
The query returns a comma-separated list of segment-ids that are defined and the 
length of each segment. So first number is a segment id, next length … 
If no segment is defined, “0, 0” is returned.