Garmin Apollo CNX80 Installation Manual

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Garmin Apollo CNX80 Installation Manual Manual pdf 67 page image

Installation ProceduresApollo CNX80 Installation Manual 560-0982-00 Rev D 2-372.8.13.1 Nav Audio OutP7-23 NAV Audio OutP7-20 NAV Audio GroundThe NAV Audio Out is a low-level audio output that is intended to drive a headset or audio panel. Thisoutput will provide 100 mW into a 500 Ω load.2.8.13.2 VOR Flip-Flop SwitchP1-34 VOR Flip Flop InThe VOR Flip Flop In is used to toggle the active and standby VOR/LOC frequencies. Refer to section2.8.9.3 for additional details.2.8.14 M ESSAGE AUDIOThe CNX80 provides a message audio output for aural advisory messages. This output also provides anoptional tone to alert the user when a new status message is available. A discrete input is also provided toallow these audio messages to be inhibited by higher priority systems.Refer to Appendix D for interconnect information.2.8.14.1 Message Audio OutP5-40 Message Audio OutP5-43 Message Audio GndThe Message Audio Out is a low-level audio output that is intended to drive a headset or audio panel. It isrecommended that this input be provided to an auxiliary input in the audio panel that will allow the user toswitch off the message audio if desired. This output will provide 100 mW into a 500 Ω load.2.8.14.2 Audio Inhibit InP5-76 Audio Inhibit InThe Audio Inhibit In may be used by higher priority systems to inhibit the CNX80 audio messages. Referto section 2.8.9.7 for additional details.2.8.15 RMI / OBIThe CNX80 RMI/OBI output can be used to drive an RMI (or OBI) navigation indicator. The OBI Selectinput is used to select the source (GPS or Nav radio) used to provide the bearing.Refer to Appendix D for interconnect information.