The VCA gain can be controlled on the display screen

4KEY_1602
4KEY_1602\1602.c
4KEY_1602\4KEY.dep
4KEY_1602\4KEY.ewd
4KEY_1602\4KEY.eww
4KEY_1602\4KEY_1602.dep
4KEY_1602\4KEY_1602.ewp
4KEY_1602\Config.h
4KEY_1602\Debug
4KEY_1602\Debug\Exe
4KEY_1602\Debug\Exe\4KEY.d43
4KEY_1602\Debug\Exe\4KEY.txt
4KEY_1602\Debug\Exe\4KEY_1602.d43
4KEY_1602\Debug\List
4KEY_1602\Debug\Obj
4KEY_1602\Debug\Obj\4KEY.pbd
4KEY_1602\Debug\Obj\4KEY_1602.pbd
4KEY_1602\Debug\Obj\main.r43
4KEY_1602\main.c
4KEY_1602\path.txt
4KEY_1602\settings
4KEY_1602\settings\4KEY.cspy.bat
4KEY_1602\settings\4KEY.dbgdt
4KEY_1602\settings\4KEY.dni
4KEY_1602\settings\4KEY.wsdt
4KEY_1602\settings\4KEY_1602.cspy.bat
4KEY_1602\settings\4KEY_1602.dbgdt
4KEY_1602\settings\4KEY_1602.dni

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