HP 70427A User Manual page 280

BIAS ON| OFF
This softkey turns the bias current that the downconverter supplies to an
external mixer bias on and off. The bias current level is set with the
softkey.
Bias
Path
This softkey is present only when the
underlined.
HP-IB command
Figure 10-35 HP 70427A
Freqs
MODE μW|mm
DC:FREQ:BIAS 0
DC:FREQ:BIAS 1
HP 70427A/HP 70428A User's Guide 10-37
Softkeys and Displays
BIAS ON| OFF
Mixer
softkey has mm
sets bias off
sets bias on