99 ALC potentiometer may be set accordingly. While driving the amplifier, adjust the
ALC pot to limit maximum transceiver output as desired. We recommend contacting
Radio Alpha Products customer service before attempting to use external ALC with
the Alpha 99.
Figure 5 - Alpha 99 Rear panel
RF INPUT from radio 50-
Key In Line from
RF OUTPUT to
Key Out Line (optional)
ALC ADJUST pot.
ALC OUTPUT to radio
(not
recommended
with modern
radios)
Radio Alpha Products Inc. ® Alpha 99
23