Wmemory{1|2|3|4}:Unit - Keysight 8990B Programming Manual

WMEMory{1|2|3|4}:UNIT?

This query returns the waveform unit of the specified memory slot as DBM, WATT, or
VOLT.
Syntax
WMEM
Example
WMEM3:UNIT?
Remark
If no waveform data exists in the selected memory slot, error –221,"Settings
conflict;No data in waveform memory slot" will occur.
Keysight 8990B Programming Guide
1 :UNIT
2
3
4
Queries the waveform unit of memory slot 3.
WMEMory Subsystem
?
20
507