6 MEMory Subsystem
144 U8480 Series Programming Guide
MEMory:FREE Queries
These queries are used to return information on the amount of free memory space 
available for frequency-dependent offset tables, Gamma tables, the S-Parameter 
table, and save/recall registers.
The following queries are described in this section: 
MEMory:FREE[:ALL]?
MEMory:FREE:STATe?
MEMory:FREE:TABLe?