4- 60 Keysight B2961A/B2962A SCPI Command Reference, Edition 6
Subsystem Commands
MMEMory Subsystem
(@1) selects channel 1 only. (@2) selects channel 2 only. (@1,2), (@1:2), (@2,1),
and (@2:1) selects both channels 1 and 2.
If chanlist is not specified, chanlist=(@1) is set.
Example :MMEM:STOR:TRAC “AllTraceData1.dat”