HP 70427A User Manual page 304

Softkeys and Displays
IF LEVEL
IF LEVEL
This softkey routes the output of the downconverter's IF AM detector to the
rear-panel IF LEVEL connector.
Path
Amplitudes more 1 of 2 IF AM Output IF LEVEL
HP-IB command
DC:AMPL:IF:AM 0
Figure 10-46 HP 70427A Downconverter
HP 70427A/HP 70428A User's Guide 10-61