Keysight N1911A Programming Manual page 429

Query Example
MRAT?
Error Messages
– If <character_data> is not set to NORMal, DOUBle or FAST, error –224 "Illegal
– If a P-Series or an E-Series power sensor is not connected and
N1911A/1912A P-Series Power Meters Programming Guide
parameter value" occurs.
<character_data> is set to FAST, error –241 "Hardware missing" occurs.
This command queries the current speed
setting for Channel A.
SENSe Subsystem 10
429