#!/bin/bash # # Author : Gaston Gonzalez # Date : 14 October 2025 # Purpose : Audio settings specific to the Yaesu FT-857D via DigiRig Mobile # # Preconditions # 1. Supported audio interface is connected and properly detected # # Postconditions # 1. ALSA settings set on ET audio device usage() { echo "usage: $(basename $0) " } if [[ $# -ne 2 ]]; then usage exit 1 fi AUDIO_CARD=$1 ET_DEVICE_NAME=$2 # Unmute Speaker a set volume. Adjust if remote station can't decode you. Your TX controls. amixer -q -c ${AUDIO_CARD} sset Speaker Playback Switch 42% unmute # Unmute Mic amixer -q -c ${AUDIO_CARD} sset Mic Playback Switch 52% unmute # Set "L/R Capture" to 19. Adjust if you can't decode received audio. Your RX controls. amixer -q -c ${AUDIO_CARD} sset Mic Capture Switch 25% unmute # Disable Auto Gain Control amixer -q -c ${AUDIO_CARD} sset 'Auto Gain Control' mute et-log "Applied amixer settings for audio card ${AUDIO_CARD} on device ${ET_DEVICE_NAME}"