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How is 3D Audio Enabled on the GMA 350
Press and hold the PILOT Key to toggle 3D audio processing on and off for all headset positions. When 3D Audio is enabled, the aural message “3D audio left” is heard in the left ear followed by “3D audio right” in the right ear.
If the aural messages are not heard in only the left and then the right ear respectively, the cause may be aircraft wiring or headset settings.