HP 70427A User Manual page 335

Softkeys and Displays
MODE μW | mm
MODE μW | mm
This softkey toggles the downconverter between microwave mode and
millimeter-wave mode. In millimeter wave mode an external harmonic mixer
is used to convert the signal to a frequency within the HP 70427A's IF range.
Path
HP-IB command
μ
Figure 10-70 W Mode HP 70427A
10-92 HP 70427A/HP 70428A User's Guide
MODE μW|mm
Freqs
DC:FREQ:MODE 0
selects the microwave mode
DC:FREQ:MODE 1
selects the millimeter-wave mode