Garmin GMA 350 Installation Manual

Also see for GMA 350: Pilot's guide Pilot's guide Installation manual

190-01134-11 GMA 350/350c/350H/350Hc Installation ManualRev. J Page 4-94.5.8 Alert InputsThese are unswitched inputs intended for use with alert sources such as altitude, terrain, auto-pilot or otheraural status indications.FAILSAFE WARN AUDIO IN HI is heard during normal operation as a fifth alert input.CAUTIONDuring failsafe mode both FAILSAFE WARN AUDIO IN HI and COM 1 AUDIO INPUTare connected to the PILOT HEADSET LEFT OUTPUT. During this time the output of theCOM 1 radio and the output of the device connected to FAILSAFE WARN AUDIO IN HIwill become shorted together, potentially causing damage or interference. If theFAILSAFE WARN AUDIO IN HI is used, it may be necessary to install summing resistorsin series between these sources and the inputs to the audio panel to protect the outputsfrom damage.4.5.9 Speaker OutputsTable 4-13. AlertPin Name Connector Pin I/OALERT 1 AUDIO IN HI J3501 31 InALERT 1 AUDIO IN LO J3501 32 --ALERT 2 AUDIO IN HI J3502 15 InALERT 2,3,4 AUDIO IN LO J3501 43 --ALERT 3 AUDIO IN HI J3501 29 InALERT 4 AUDIO IN HI J3501 44 InFAILSAFE WARN AUDIO IN HI J3502 29 InTable 4-14. SpeakerPin Name Connector Pin I/OSPEAKER AUDIO OUT LO J3502 43 OutSPEAKER AUDIO OUT HI J3502 44 Out