HP 70427A User Manual page 268

ALC ON| OFF
This softkey enables or disables the triggering of an automatic leveling
process for the source and for the downconverter and tunable source LO.
When
ON
output power (source) or LO power (downconverter and tunable source) is
entered.
The leveling process lasts for a few seconds. During this time the level is
measured repeatedly with the internal voltmeter and then the level is
adjusted.
Path
HP-IB Command
Figure 10-24 Multiplier / YTF
is underlined, the leveling process is triggered each time a new
Service Misc Power Control ALC ON | OFF
SOUR:ALC 0
SOUR:ALC 1
HP 70427A/HP 70428A User's Guide 10-25
Softkeys and Displays
selects
OFF
selects
ON
ALC ON| OFF