Garmin GMA 340 User's Guide Page 1

1Audio Panelpilot’s guideGMA 340

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11GMA 340GMA 340 Dual ADFGMA 340H

12© 2001 GARMIN CorporationGARMIN International, Inc.1200 East 151st Street, Olathe, Kansas 66062, U.S.A.GARMIN (Europe) Ltd.Unit 5, The Quadrangle,

2Front Panel Controls (GMA 340)Front Panel Controls (GMA 340 Dual ADF)Front Panel Controls (GMA 340H)

3Function Selection SwitchesThe left small knob (5, 7) on all units controls ON/OFF function.1. Marker Beacon Lamps2. Marker Beacon Receiver Audio Sel

4On, Off, and Failsafe OperationThe GMA 340 is powered off when the left small knob (5, 7) is rotated fully CCW into the detent.To turn the unit on r

5Com Swap FunctionThe GMA 340 allows the use of a remote mounted switch (typically on the yoke) to alternatelytransfer the active microphone back and

6Intercom System (ICS) (Pilot and Copilot functions are reversed on the340H)Intercom volume and squelch (VOX) are adjusted using the following front

7•PILOT modeisolates the pilot from everyone else and dedicates the aircraft radios to thepilot exclusively. The copilot and passengers share comm

8Marker Beacon ReceiverThe marker beacon is used as part of an ILS approach, and in certain instances, to identify an airway.In addition to the normal

9Limited WarrantyGARMIN Corporation warrants this product to be free from defects in materials and workmanship forone year from the date of purchase.