190-01134-12 Rev. DGarmin GMA 350 Pilot’s Guide10GMA 350 Audio PanelTRANSMIT INDICATIONSDuring COM transmission, the active transceiver (MIC1 or MIC2) KeyAnnunciator flashes approximately once per second.During Split-COM transmission, the MIC1 annunciator flashes whenthe pilot’s microphone PTT is pressed. The MIC2 annunciator flasheswhen the copilot’s microphone PTT is pressed.COM Radio Transmit IndicationAnnunciatorFlashes DuringTransmissionRECEIVERSNOTE: Receiver functions may also be accessed via Voice Recognitioncommands. Refer to the Voice Recognition section for more information.Pressing the NAV1 and/or NAV2 Key(s) selects/deselects the receiveraudio for the corresponding navigation radio source. The selected audiosource can be heard over the headset and the speaker (if selected). Allradios can be selected individually or simultaneously.Selecting a NAV Radio Receiver