Garmin GMA 340 Supplemental Operation Manual
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Garmin GMA 340 Supplemental Operation Manual

Cirrus design sr20
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Download this manual See also: Installation Manual
Cirrus Design
SR20
FAA Approved Airplane Flight Manual
Garmin GMA 340 Audio System
When the Garmin GMA 340 Audio Panel and the optional XM Radio
System are installed in the Cirrus Design SR20, this Supplement is
applicable and must be inserted in the Supplements Section (Section
9) of the Cirrus Design SR20 Pilot's Operating Handbook (Handbook).
Information in this supplement either adds to, supersedes, or deletes
information in the basic Handbook.
This POH Supplement Revision dated Revision 1: 07-18-05
supersedes and replaces the original issue of this supplement
dated 07-03-04. This revision adds required data for the
optional XM Radio System available for the Garmin GMA 340.
P/N 11934-S01
Revision 1: 07-18-05
Pilot's Operating Handbook and
Supplement
Includes Optional XM Radio System
• Note •
for
Section 9
Supplements
1 of 10

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Summary of Contents for Garmin GMA 340

  • Page 1 Garmin GMA 340 Audio System Includes Optional XM Radio System When the Garmin GMA 340 Audio Panel and the optional XM Radio System are installed in the Cirrus Design SR20, this Supplement is applicable and must be inserted in the Supplements Section (Section 9) of the Cirrus Design SR20 Pilot’s Operating Handbook (Handbook).

  • Page 2: Section 1 - General

    SR20 Section 1 - General This supplement provides detailed operating instructions for the Garmin GMA 340 Audio Selector Panel/Intercom System with internal Marker Beacon. This supplement covers the basic operating areas of the Audio Control Panel. • Power On / Fail-safe Operation •...
  • Page 3 No change from basic Handbook. Section 6 - Weight & Balance Garmin GMA 340 Audio System: No change from basic Handbook. Installation of the optional XM Radio System adds the following optional (Sym = O) equipment at the weight and arm shown in the following table.
  • Page 4 Section 9 Cirrus Design Supplements SR20 A fail-safe circuit connects the pilot’s headset directly to the COM1 transceiver in the event of a power failure to the audio control panel or the panel is switched ‘OFF.’ Test Pressing the TEST button illuminates all Panel LEDs and the Marker Beacon Annunciators full bright.

  • Page 5: Speaker Output

    Speaker output is muted when a COM microphone is keyed. Speaker level is adjustable through an access hole in the top of the unit (refer to Garmin installation manual or AMM). Public Address (PA) Function Pressing the PA button on the audio control panel activates the PA function.
  • Page 6 Section 9 Cirrus Design Supplements SR20 The Audio Control Panel has provisions for up to two separate personal entertainment input (music) devices. These devices are plugged into the AUDIO INPUT jacks in the center console jack panels. Music1 is connected at the AUDIO INPUT jack near the convenience outlet.

  • Page 7: Intercom Modes

    Verify that normal speech levels open the channel. Intercom Modes The GMA 340 provides three intercom (ICS) modes to further simplify workload and minimize distractions during all phases of flight: PILOT, CREW, and ALL. The mode selection is accomplished using the PILOT and CREW push-buttons.

  • Page 8: Marker Beacon

    Section 9 Cirrus Design Supplements SR20 button. ALL mode is active when neither PILOT or CREW have been selected. PILOT The pilot is isolated from the intercom. The pilot can hear radio and sidetone only during radio transmissions. Copilot and passengers can hear the intercom and music but not the airplane radio receptions or pilot transmissions.

  • Page 9: Marker Beacon Sensitivity

    Cirrus Design Section 9 SR20 Supplements Marker beacon audio is selected by pressing the MKR push-button. If no marker beacon signal is being received, pressing the MKR push- button a second time deselects marker beacon audio. However, if marker beacon is being received, pressing the MKR push-button a second time will mute the audio but the light will continue to flash.
  • Page 10 The optional XM Radio System provides satellite broadcast audio entertainment and information to aircraft occupants via the Garmin GMA 340 Audio System while traveling anywhere within the contiguous United States of America. The XM receiver, installed in the co-pilot side of the center console, receives audio information via its integral antenna from two geosynchronous XM broadcast satellites.

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