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Bose A20 manual

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Table of contents for the manual

  • Page 1

    A20 ® A VIATION H EADSET Owner’ s Guide ©2012 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325453 Rev .07 Covers.fm Page 1 Wedn es day, April 25, 201 2 10:38 AM[...]

  • Page 2

    i T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 S AFETY I NFORMATION NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide r easonable protection against harmful interference in a resid[...]

  • Page 3

    ii T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 C ONTENTS A DVISORIES 1 Operational adv isory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Hearing safet y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Volume contro l . . . [...]

  • Page 4

    iii T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 C ONTENTS H EADSET C ARE AND M AINTENANCE 23 Instructions fo r continue d airworthin ess . . . . . . . . . . . . . . . . . . . . . . . . . 23 Cleaning the headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 General clean[...]

  • Page 5

    1 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 A DVISORIES Operational advisory The Bose ® A20 ® Aviation Headset incorporat es Acoustic Noise Cancelling ® technology . As with any co mplex electronic device, it is possible for this headset to fa il during operat ion. Symptoms of failure may include loud t[...]

  • Page 6

    2 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 A DVISORIES Hearing safety The headset is in tended for use with the Acoustic Noise Cancelling ® mode turned on . Noise reduction and communications performanc e are r educed with Acoustic Noise Cancelling mode turned off. V olume control Make sur e you r air [...]

  • Page 7

    3 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 A DVISORIE S Headset earcup r equir ements Proper headset operation requires that the headset T riPort ® openings on the earcup are kept fr ee of debris. Th e headset T riPort openings are located on the outside of each earcup and include two holes and a screen.[...]

  • Page 8

    4 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 I NTRODUCTION Congratulat ions on your purchase of a Bose ® A20 ® Aviation Headset. The Bose A20 Aviation Headset is our mo st advanced aviatio n headset yet. It delivers significantly increased noise reduction a nd provides a more comfortable fit, without co[...]

  • Page 9

    5 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 I NTRODUCTI ON What’ s in the carton Note: Cable connector types will var y based on model of headset. See “Power and cable variations” on page 7 . Note: *Replace ba tteries with a lkaline batterie s only . Do not use any other ba ttery chemistries. Headpho[...]

  • Page 10

    6 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 I NTRODUCTION Control module variations If you opted for Blueto oth ® wireless technology , you received the control module featuring Bluetoot h technology . If not, you received th e conventio nal control module. Bluetooth Bluetooth Bluetooth control module C[...]

  • Page 11

    7 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 I NTRODUCTI ON Power and cable variations The Bose ® A20 ® Aviation Headset is available fo r pur chase in different standard air craft conn ector option s, including: * An adapter is available from Bo se to convert a 6-pi n connector to a dual G/A or U174 plug[...]

  • Page 12

    8 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 P REPARING THE H EADSET FOR U SE The micr ophone assembly Y our headset may be shipped with the microphone assembly (boom microphone and cable) attached to the left earcup. If your headset is shipped with the microphone assembly packed separately , you can atta[...]

  • Page 13

    9 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 P REPARING THE H EADSET FOR U SE The battery compartment The Bose ® A20 ® Aviation Headset is shippe d with facto ry-set operat ion defaults . If you want t o alter the se defaults, you can cha nge the ope ration switc hes located inside the control module batt[...]

  • Page 14

    10 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 P REPARING THE H EADSET FOR U SE 3. T o change a swit ch position, use a pen or a small, flat -tipped screwdriver to gently move the switch. This table shows possible positions, defa ult setting, and purpose for each switch. Auto Off funct ionality The Auto Of[...]

  • Page 15

    11 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 P REPARING THE H EADSET FOR U SE Connecting the headset to the air c raft The Bose ® A20 ® Aviation Headset can be configured to either plug into air craft power or rely entir ely on battery power . Using the 6-pin plug A single 6-pin plug inse rted into the 6[...]

  • Page 16

    12 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 P REPARING THE H EADSET FOR U SE Using the dual general aviation plugs The most co mmon battery powered (only) ver sion of the h eadset has two general aviat ion (G/A) p lugs that co nnect to t he aircraft audio. Altho ugh the plugs look similar , the micropho[...]

  • Page 17

    13 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 U SING THE H EADSET W earing and adjusting the headset Prope r fit on your head is important bot h for comfort and optimal noise red uction performance. Her e are a few guidelin es: • Use the left (L) and right (R) markings ab ove the earcups to or ient the he[...]

  • Page 18

    14 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 U SING THE H EADSET 1. Grasp the boom with your fingers an d move the microphone up or down so it is level with your mouth. 2. Pull the microphone in toward your lips. Position the m icrophone with it s talk side facing in. Thou gh it will be slightly off cent[...]

  • Page 19

    15 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 U SING THE H EADS ET Using the contr ol module Use the contr ol module to contr ol the headset functions. Ther e ar e two variations of th e module; one featurin g Bluetooth ® wireless technology a n d one that has basic functions only . Power button Use the po[...]

  • Page 20

    16 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 U SING THE H EADSET • Double-click the power button to dim the po wer and Bluetooth ® wireless technology indic ators. T o togg le the indicators between dim and brigh t, rapidly pr ess the power button twice. V olume control The left and right volume contr[...]

  • Page 21

    17 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 U SING THE H EADS ET Auxiliary (AUX) audio input The Bose ® A20 ® Aviation Headset provides a 1 / 8 inch (3.5 mm) AUX audio input that allows yo u to use yo ur headset with an exte rnal audio source such as a portable GP S or a portable audio de vice. The conn[...]

  • Page 22

    18 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 U SING THE H EADSET Multifunction/Audio priority switch The multifunction/audi o priority switch has th ree po sitions: Note: On the Bluetooth ® control module, when a Bluetooth wireless technology call is present, the audio from the call mute s the signal on[...]

  • Page 23

    19 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 U SING THE H EADS ET Using the headset with a Bluetooth ® -enabled phone Pairing the headset with your phone Pairing entails having the Bose A20 ® Aviation He adset in pairing mode, setting your Bluetooth-ena bled phone to “discover” the headset, then conf[...]

  • Page 24

    20 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 U SING THE H EADSET Note: The Bose A20 ® Aviation Headset will automati cally exit pairing mode after five minutes of inactivity . Bluetooth ® indicator light status The Blue tooth indicator is a blue light on the co ntr ol module . It shows the status of Bl[...]

  • Page 25

    21 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 U SING THE H EADS ET If you tur n the he adset control module off, the cont rol module Bluetooth wireless te chnology receiver also tu rns off, ending the conne ction to the Bluetooth technology-enabled phone. Bluetooth ® volume control The Bluetooth volume con[...]

  • Page 26

    22 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 U SING THE H EADSET Making and answering calls T o make a c all Dial from your mobile ph one, and the call will automa tically transfer to the headset. If your phone has voic e-activated dialing, press the Bluetooth ® function butt on and wait for the phone v[...]

  • Page 27

    23 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 H EADSET C ARE AND M AINTENANCE Instructions for continued airworthiness Bose r ecommends following the ge neral ca r e and maintenanc e instructions in this guide. With normal us e, items such as windscreens and ear cushions may require periodic r eplac ement. [...]

  • Page 28

    24 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 H EADSET C ARE AND M AINTENANCE Micr ophone windscr een Remove the windscr een from the micr ophone as described in “Microp hone windscr een r eplacement,” below . Rinse and air dry the windscreen. Make sure the windscreen is completely dry , then reattach[...]

  • Page 29

    25 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 H EADSET C ARE AND M AINTENANCE Ear cushion replacement As a general rule, ear cushions sh ould be replaced every six months o r every 350 hours of use, depen ding on how often you fly . Y ou may have to repla ce them more often, if you: • Have a full beard or[...]

  • Page 30

    26 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 H EADSET C ARE AND M AINTENANCE Headband cushion r eplacement The headband cu shion is designed t o give the maximu m level of comfor t to your headset. Bose recommends that you replace the cushion after regular care and maintenance fails to restor e the wool [...]

  • Page 31

    27 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 T ROUBLESHOOTING In case of dif ficulty Look for the pr oblem in the left column of the table, th en follow the “What to do” instructions in the right column. If the pr o blem persists, co ntact Bose using the contac t informatio n on page 37 of this guide f[...]

  • Page 32

    28 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 T ROUBLESHOOTING Audio Problem What to do Low volume of incoming communications. • Check to see if the volume controls ar e set too low . Refer to “V olume contr ol” on page 16 for instructions on volume adjustment. • Ensure that the ster eo/mono switc[...]

  • Page 33

    29 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 T ROUBLESHOOTING Auxiliary audio input Problem What to do Low rumbling sound with the headset tur ned on in a quiet environment. • Adjust the earcup fit to cr eate a better seal on your head. T he low-force design of the headset makes it sensitive to items tha[...]

  • Page 34

    30 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 T ROUBLESHOOTING Bluetooth ® wireless technology Auto off Problem What to do Cannot hear communications while listening to audio from AUX input or AUX input does not mute with incoming communications. • Check headset prioritization se ttings. Refer to “Mu[...]

  • Page 35

    31 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 I NSTALLATION Mounting the air craft panel connector The airc raft panel connector is part of the optio nal 6-pin wiring harness assembly . Visit Bose.com or G lobal.Bose.com fo r informat ion or purchase. CAUTION: The aircr aft panel connecto r must be mount ed[...]

  • Page 36

    32 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 I NSTALLATION CAUTION: Do not use excessive force or be nd the instal led connec tor . T his may damage or break interna l solder joints. Note: The aircraft panel connector cannot be installed in an audio system using transformer -co upled audio outputs. Cont [...]

  • Page 37

    33 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 I NSTALLATION Helicopter (U174) connection diagram Note: Barrel grou nd (gnd) ref ers to aircraft grounds. Details on making the connections The pinouts for the op tional installed conne ctor are detailed in the ta ble below: Pin numbe r Color Purpose 1 Red V+IN[...]

  • Page 38

    34 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 T ECHNICAL I NFORMATION Headphone Damage could occur to avionics equipment that is intended for use only with 600 Ohm heads ets. If in doubt, consult the avionics equipment manufacturer . Impedance Monaural mode: 160 Ohms ON and OFF Stereo mode: 320 Ohms ON an[...]

  • Page 39

    35 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 T ECHNICAL I NFORMATION F AA T echnical Standards Or der The Bose ® A20 ® Aviation Headset, its interface, cables, and microphones are F AA a pproved to TSO C139. It has been desi gned to functio n in or withsta nd exposure to the follo wing environmental c on[...]

  • Page 40

    36 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 S ERVICE AND W ARRANTY I NFORMATION Locating the headset serial number Yo u r B o s e ® A20 ® Aviation Headset is identified by a unique headset serial number located on the underside o f the headband and underneath the headband cushio n. Reference this seri[...]

  • Page 41

    37 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 S ERVICE AND W ARRANTY I NFORMATION Contact information Contact Bose for: • Spare parts and accesso ries • T echnical advice • Installation information • W ar ranty and repair informat ion In North America: Bose ® T e chnical Support 145 Pennsylvania A [...]

  • Page 42

    38 T ab 3, 11 T ab 8, 16 T ab 7, 15 T ab 6, 14 T ab 5, 13 T ab 4, 12 English Ta b 2 , 1 0 S ERVICE AND W ARRANTY I NFORMATION 00_Cavu.book Page 38 Wednesd ay, April 25, 2012 10:10 AM[...]

  • Page 43

    39 T ab 6, 14 English T ab 2, 10 T ab 3, 11 T ab 4, 12 T ab 5, 13 T ab 8, 16 T ab 7, 15 The Bluetooth ® word mark and logos ar e registered tr ademarks owned by Bluetooth SIG, Inc., and any such use by Bose Corporation is under license. All o ther marks are property of Bose Corporation. 00_Cavu.book Page 39 Wednesd ay, April 25, 2012 10:10 AM[...]

  • Page 44

    A20 ® A VIATION H EADSET Owner’ s Guide ©2012 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325453 Rev .07 Covers.fm Page 1 Wedn es day, April 25, 201 2 10:38 AM[...]