taken from DTB
Galaxy 33-88, Connex 3300, and similar units:
"Supertune": Change R174 and 187 from 10k units to 2.2k units. Peak L31, L33, L40, L42, L43, L44, L51, and L52 for best swing, using a loud, steady "aaaah" sound in the mic. Set carrier control pots as normal for high and low power...