Keysight U8480 Series - Memory:free[:All]

MEMory Subsystem 6
U8480 Series Programming Guide 145
MEMory:FREE[:ALL]?
This query returns the amount of memory free for frequency-dependent offset
tables, Gamma tables, the S-Parameter table, and save/recall registers. The
format of the response is:
<bytes_available>,<bytes_in_use>
Syntax
Example
MEM:FREE? Queries the amount of memory free for
frequency-dependent offset tables, Gamma
tables, the S-Parameter table, and save/
recall registers.
MEM
:FREE :ALL
?