Bose A20 manual Audio

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TROUBLESHOOTING

Problem

What to do

 

 

Low volume of

• Check to see if the volume controls are set too low.

incoming

Refer to “Volume control” on page 16 for instructions on

communications.

volume adjustment.

 

• Ensure that the stereo/mono switch is correctly set for your

 

intercom system.

 

• Check that all headsets sharing the intercom have the

 

stereo/mono switch in the correct position.

 

• Unplug all other headsets and see if the volume can be adjusted

 

to an acceptable level.

 

 

Intermittent

• Check that the connection to the aircraft panel is not loose.

communication.

• Try the headset in a different seat location.

 

 

 

Reduced volume in

• Check to see if the volume control is set too low.

one ear only.

Refer to “Volume control” on page 16 for instructions on

 

volume adjustment.

 

• Check the stereo/mono configuration switch.

 

Refer to “The operation switches” on page 9

 

 

No stereo

• If your aircraft has a mono audio system, verify that the

separation or

stereo/mono configuration switch is set to mono. Refer to “The

communications in

operation switches” on page 9. Depending on how your audio

one ear only.

jacks are wired, there may be only one channel of audio supplied

 

to the headphone jack. If the stereo/mono switch is set to stereo

 

and you only hear communications on one side, setting the

 

switch to mono plays audio on both sides.

 

 

Audio

Problem

What to do

 

 

Reduced Acoustic

• Check the TriPort® headset openings on the outside of each

Noise Cancelling®

earcup to ensure that they are not blocked. If dust or dirt is

noise reduction,

present, carefully remove the debris using tweezers. Do not

intermittent clicking

vacuum or blow out debris.

sounds, or

• Make sure there are no air gaps around the ear cushion seals.

communication

distortion in a loud

If ear cushions appear worn, they should be replaced. Refer to

environment.

“Ear cushion replacement” on page 25.

 

 

Squealing or

• Ensure the headset orientation is correct. Use the Left (L) and

whistling sound

Right (R) markings above the earcups to orient the

when the headset is

headset correctly.

turned on.

• Inspect the seal between the ear cushion skirt and the earcup.

 

 

The skirt should fit into the slot on the earcup with no gaps.

 

Replace any cushions that appear to be worn out.

 

• Adjust the earcup fit to create a better seal on your head.

 

The headset’s low-force design makes it sensitive to items that

 

interfere with the seal around your ear. Make sure your ears are

 

completely inside the ear cushions, and that a hat or eyeglasses

 

with thick temples do not interfere with the seal.

 

 

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Contents A20 Aviation Headset Important Safety Instructions Safety InformationContents Troubleshooting Operational advisory Hearing safety Volume controlUsing audio sources Recognizing aircraft soundsHeadset earcup requirements Earcup inner screenWhat’s included IntroductionHeadset assembly What’s in the cartonBluetooth control module Conventional control module Control module variationsPower and cable variations Battery powered options Dual powered optionsMicrophone assembly Attaching the microphone assemblyBattery compartment Opening the battery compartmentOperation switches To change the operation switchesTo insert or replace the batteries Inserting and replacing the batteriesAuto Off functionality Connecting the headset to the aircraft Using the 6-pin plugTo connect the headset To disconnect the headsetUsing the dual general aviation plugs Using other plug typesConditions related to fit Wearing and adjusting the headsetMicrophone placement Clothing clips Using the control module Power buttonPower indicator Indicator color Power source Type of light IndicatesAuxiliary AUX audio input Audio priorityMultifunction/Audio priority switch Multifunction/audio priority switch has three positionsUsing the headset With a Bluetooth-enabled phone Pairing the headset with your phoneBluetooth indicator light status Reconnecting to a previously connected phoneRecovering a lost connection Disconnecting a Bluetooth technology-enabled phoneBluetooth volume control To clear pairing device history from the headsetMaking and answering calls Cleaning the headset General cleaningInstructions for airworthiness Headset earcup openingsReplacing parts Microphone windscreen replacementMicrophone windscreen Headband cushionReplacing the ear cushions Ear cushion replacementBattery replacement Storage Headband cushion replacementMicrophone assembly or access cover replacement Communications Case of difficultyNoise Reduction Audio Auxiliary audio input Bluetooth wireless technology Auto offMounting the aircraft panel connector Mono connection diagram Stereo connection diagramHelicopter U174 connection diagram Details on making the connectionsTechnical Information FAA Technical Standards Order Condition CategoryWarranty Limited warranty serviceLocating the headset serial number To return your headset to Bose for repairOrdering parts and accessories Contact informationService and Warranty Information

A20 specifications

The Bose A20 Aviation Headset is a remarkable piece of technology designed specifically for aviators and aviation enthusiasts. Since its release, it has garnered a reputation for delivering superior sound quality, comfort, and durability. Manufactured by the well-known audio company Bose, this headset integrates cutting-edge features that enhance the flying experience for pilots and passengers alike.

At its core, the Bose A20 boasts advanced noise cancellation technology. It employs an active noise reduction system that effectively eliminates unwanted ambient noise, allowing users to concentrate on their surroundings and communication without distractions. This feature is especially crucial in the noisy environment of an aircraft cockpit, where engine noise levels can be overwhelming. The A20 significantly reduces this noise, enhancing clarity during radio transmissions.

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Another standout characteristic is the intuitive controls and design. The headset is user-friendly, with simple buttons that allow pilots to adjust noise cancellation levels and manage Bluetooth connections effortlessly. Furthermore, the inclusion of a detachable audio cable adds versatility, making it compatible with various aircraft and devices.

In conclusion, the Bose A20 Aviation Headset is a top choice for pilots seeking an exceptional combination of sound quality, advanced noise reduction, comfort, and user-friendly features. Its innovative technology and thoughtful design make it a vital tool for anyone serious about aviation, ensuring a more enjoyable and productive flying experience. Whether in a small general aviation aircraft or a larger commercial cockpit, the A20 stands out as a leader in the aviation headset market.