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ALC
Function Group
ALC
Menu Map
1
Description
This
hardkey
accesses the automatic level control (ALC) functions.
ALC
B#
Menu
Coupling Factor
Leveling Mode ALCoff
Leveling Mode Normal
Leveling Mode Search
Leveling Point
ExtDet
Leveling Point Internal
Leveling Point Module
Leveling Point PwrMtr
Accesses the ALC bandwidth menu.
Specifies the coupling factor of an
external coupling device and causes
the display to indicate the power at
the coupler main output.
Disables the ALC leveling circuits.
Relative power level is controlled
by means of the level DAC and
attenuator. Power is not sensed at
any point, and absolute power level is
uncalibrated.
Sets the synthesizer to continuous
leveling at the specified leveling point.
The synthesizer activates power search
leveling mode. Similar to ALCoff
mode, but first automatically searches
for the correct modulator setting
so that the desired power level is
produced.
Sets the synthesizer to level power
externally. A negative detector output
must be connected to the EXT ALC
input.
Sets the synthesizer to level power
internally.
Sets the synthesizer to level power
at the output of a millimeter-wave
module. Either an HP
8349B
or
8355X
series millimeter-wave source
module must be connected to the
SOURCE MODULE INTERFACE.
Sets the synthesizer to level power at
an external power meter. A power
meter’s recorder output must be
connected to the EXT ALC input.
HP 8360
User’s Handbook
Operating and Programming Reference
A-3