16 UNIT Subsystem
732 N1911A/1912A P-Series Power Meters Programming Guide
UNIT Subsystem
The UNIT command subsystem:
• Sets power measurement units to dBm or Watts.
• Sets measurement ratio units to dB or % (linear).
Both UNIT commands have a numeric suffix which determines which
window/measurement is set:
Figure 16-23Measurement Display UNIT Block Window
The following commands are described in this section:
The UNIT:POWer and UNIT:POWer:RATio commands are coupled as
follows:
•If UNIT:POWer is set to dBm then UNIT:POWer:RATio is dB.
•If UNIT:POWer is set to W then UNIT:POWer:RATio is %.
Keyword Parameter Form Notes Page
UNIT[1]|2|3|4
:POWer <amplitude unit> page 733
:RATio <ratio_unit> [non-SCPI] page 735
upper window/upper measurement
UNIT1
upper window/lower measurement
UNIT3
lower window/upper measurement
UNIT2
lower window/lower measurement
UNIT4