Bose A30 Instructions Manual
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Bose A30 Instructions Manual

Aviation headset
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A30 AVIATION HEADSET

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  • Page 1 A30 AVIATION HEADSET...
  • Page 2 For more information about your A30 Aviation Headset, visit: support.Bose.com/A30 support.Bose.com/A30 Bose Corporation hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. The complete declaration of conformity can be found at: www.Bose.com/compliance...
  • Page 3 Properly dispose of used batteries. • Do NOT repair the headset yourself. Contact the Bose organization in your country/region for specific care, return and shipping instructions. Visit: global.Bose.com global.Bose.com •...
  • Page 4 • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by Bose Corporation could void the user’s authority to operate this equipment.
  • Page 5 R EG U LATORY A N D L E G AL I NFO RM AT I O N Low-power Radio-frequency Devices Technical Regulations Without permission granted by the NCC, any company, enterprise, or user is not allowed to change frequency, enhance transmitting power or alter original characteristic as well as performance to a approved low power radio-frequency devices.
  • Page 6 EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands Mexico Importer: Bose de México S. de R.L. de C.V., Avenida Prado Sur #150, Piso 2, Interior 222 y 223, Colonia Lomas de Chapultepec V Sección, Miguel Hidalgo, Ciudad de México, C.P. 11000 Phone Number: +5255 (5202) 3545 Taiwan Importer: Bose Limited Taiwan Branch (H.K.), 9F., No.10, Sec.
  • Page 7 LI CEN SE D I S CLOS UR E S The following license disclosures apply to certain third-party software packages used as components in the product. Package: LittlevGL Version 7.10.1 Copyright © 2020 LVGL LLC Package: pycrc Copyright © 2006-2015, Thomas Pircher <tehpeh-web@tty1.net> The above is/are subject to the license terms reprinted below: MIT License Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated docu-...
  • Page 8 LI CEN SE D I S CLOS UR E S Packages: CMSIS Version 5.6.0 & SDK CMSIS Peripheral Drivers 2.x.x Copyright © 2010-2017 ARM Limited or its affiliates. All rights reserved. Package: Mbed TLS Version 2.26.0 Copyright © 2021 Arm Limited (or its affiliates). The above is/are subject to the license terms reprinted below: Apache License Version 2.0, January 2004...
  • Page 9 LI CEN SE D I S CLOS UR E S 2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
  • Page 10 Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS ©2023 Bose Corporation Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License.

  • Page 11: Table Of Contents

    CON TE NTS WHAT’S IN THE BOX Contents ..........................15 Headset components ....................16 Control module options ....................17 IMPORTANCE OF PROPER FIT Fit the headband ......................18 Adjust the microphone ....................19 Conditions related to fit ....................21 Secure the cable and control module ..............21 Cable clips .........................
  • Page 12 CON TE NTS CON TE NTS BATTERIES Replace the batteries ....................32 AIRCRAFT CONNECTORS Dual plug (general aviation) ..................34 Connect to the aircraft ..................34 Disconnect from the aircraft ................34 U174, 5-pin XLR, and 6-pin Lemo ................35 Connect to the aircraft ..................
  • Page 13 CON TE NTS SECONDARY AUDIO PRIORITY Secondary Audio Mode switch .................. 45 PRIORITY operation switch ..................46 Secondary audio priority chart ................. 46 CARE AND MAINTENANCE Store the headset ......................47 Clean the headset ......................48 Limited warranty ......................49 Serial number location ....................
  • Page 14 CON TE NTS CON TE NTS INSTALLATION Mount the aircraft panel connector ................. 60 Mono connection diagram .................. 61 Stereo connection diagram ................62 Details on making the connections ..............63 TECHNICAL INFORMATION Headset specifications ....................64 FAA Technical Standard Order .................. 66 E N G...

  • Page 15: Contents

    • For control module options, see page 17. • For aircraft connector types, see page 34. • If any part of the product is damaged, don’t use it. Contact your authorized Bose dealer or Bose customer service. Visit: support.Bose.com/A30 support.Bose.com/A30...

  • Page 16: What's In The Box

    WHAT ’S I N T H E BOX HEADSET COMPONENTS Headband Earcup Microphone assembly (boom microphone, microphone base, and cable) Cable clips Control module (see page 17) Aircraft connectors (see page 34) E N G...

  • Page 17: Control Module Options

    WHAT ’S I N T H E BOX CONTROL MODULE OPTIONS Control module with Bluetooth capability Conventional control module Intercom volume controls (left/right) Power light Power button Acoustic Noise Cancelling switch (see page 23) Bluetooth light Bluetooth/ Bluetooth volume up H Multi-function button Bluetooth volume down z...

  • Page 18: Importance Of Proper Fit

    I M P ORTA N CE O F P R O P E R FI T FIT THE HEADBAND Proper fit is important both for comfort and optimal noise cancellation performance. 1. Locate the left T and right U icons inside the earcups to orient the headset properly.

  • Page 19: Adjust The Microphone

    I M P ORTA N CE O F P R O P E R FI T ADJUST THE MICROPHONE 1. Grasp the microphone base and adjust the boom so the microphone is level with your mouth. CAUTION: Microphone placement is important for clear communication. The microphone boom can rotate 160°.
  • Page 20 I M P ORTA N CE O F P R O P E R FI T 2. Make sure the microphone is 0.5" (12.7 mm) from your lips. NOTE: The microphone should not be touching your lips. 0.5" 12.7 mm 3.

  • Page 21: Conditions Related To Fit

    I M P ORTA N CE O F P R O P E R FI T I M P ORTA N CE O F P R O P E R FI T CONDITIONS RELATED TO FIT In very loud conditions, such as during takeoff, you may experience a brief reduction in noise cancellation as the headset compensates for a momentary pressure change.

  • Page 22: Headset Controls

    HEA DSET CO NT RO L S POWER ON Press the Power button I. The Power light glows amber then blinks according to the battery level. See “Power light” on page 36. NOTE: The first time you power on your headset, noise cancellation is fully enabled. See “Acoustic Noise Cancelling”...

  • Page 23: Acoustic Noise Cancelling (Anc) Switch

    ACOU ST IC N OI S E CA NC E L L I N G Acoustic Noise Cancelling reduces unwanted noise, providing a clearer, more lifelike audio performance. You can choose your noise cancellation level based on your listening preferences and environment. NOTE: When you receive a call, the headset remains at the current noise cancellation level.

  • Page 24: Tap Control For Talk-Through Communication

    ACOU ST IC N OI S E CA NC E L L I NG TAP CONTROL FOR TALK-THROUGH COMMUNICATION When you need to focus on interpersonal communication coming from a specific direction, you can automatically set noise cancellation to LOW in one earcup. NOTES: ...

  • Page 25: Switch Earcups

    ACOU ST IC N OI S E CA NC E L L I NG Switch earcups To switch Tap Control to the other earcup, firmly double tap the other earcup. Reset Tap Control To resume noise cancellation in both earcups, double-tap the earcup where Tap Control is currently active, or move the Acoustic Noise Cancelling (ANC) switch to another position.

  • Page 26: Operation Switches

    OP ER ATI ON SW ITC H E S OPERATION SWITCH FUNCTIONS The operation switches are located in the control module battery compartment. NOTE: Some operation switches are not available on all models. FUNCTION POSITION DEFAULT DESCRIPTION Disables all non-critical functions, including Bluetooth audio, AUX audio, and Tap Control.
  • Page 27 OP ER ATI ON SW I TCH E S FUNCTION POSITION DEFAULT DESCRIPTION Processes intercom audio as mono or stereo. Available for configurations that support INTERCOM MONO two-channel or stereo intercom systems only. NOTE: 5-pin XLR and U174 models are mono-only configurations. Power off automatically after 3 to 45 minutes of inactivity.

  • Page 28: Change The Operation Switches

    OP ER ATI ON SW I TCH E S CHANGE THE OPERATION SWITCHES 1. Power off the headset (see page 22). 2. On the back of the control module, press down firmly on the finger indent and slide the cover down. CAUTION: The battery cover is tethered to the control module.
  • Page 29 OP ER ATI ON SW I TCH E S 5. Insert two AA batteries (alkaline preferred), observing proper polarity. CAUTION: If the batteries don’t fit correctly, do NOT force them in. Forcing an improper connection will cause permanent damage to the control module.

  • Page 30: Microphone Placement

    M I CROP HON E P L ACE M E NT By default, the microphone assembly ships from the factory attached to the left earcup (although in some configurations it may ship unattached). It can be easily moved from one earcup to the other. Microphone Terminator assembly...
  • Page 31 M I CROP HON E P L ACE M E NT 3. On the terminator cover, open the latch. 4. Gently pull the terminator cover from the socket. Replace the microphone assembly and terminator cover 1. Align the base of the microphone assembly with the socket on the earcup and slide in until secure.

  • Page 32: Batteries

    BATT E R I E S REPLACE THE BATTERIES When the battery light blinks red, the batteries must be replaced. NOTE: For aircraft-powered headsets, batteries are not required for operation if aircraft power is available. However, you can still install batteries when connected to aircraft power as a backup in case of power interruptions or disconnections.
  • Page 33 BATT E R I E S 4. Insert two AA batteries (alkaline preferred), observing proper polarity. CAUTION: If the batteries don’t fit correctly, do NOT force them in. Forcing an improper connection will cause permanent damage to the control module. 5. Close the battery cover, press firmly down on the finger indent, and slide the cover into place.

  • Page 34: Aircraft Connectors

    Check the power status to confirm power is suppled to the headset (see page 37). NOTE: Contact Bose customer service for more information about these connectors. DUAL PLUG (GENERAL AVIATION) Dual plug models have two general aviation aircraft connectors that insert into specific jacks on the aircraft control panel.

  • Page 35: U174, 5-Pin Xlr, And 6-Pin Lemo

    A IRCR A F T CO N NE C TO RS U174, 5-PIN XLR, AND 6-PIN LEMO 5-pin XLR and 6-pin Lemo aircraft connectors provide the headset with both aircraft power and intercom audio. U174 connectors provide the headset with only intercom audio.

  • Page 36: Status Lights

    STAT U S L I G H TS The Power and Bluetooth lights are located on the front of the control module. POWER LIGHT Shows the power source and level. POWER SOURCE LIGHT ACTIVITY SYSTEM STATE Aircraft Slow blinking green Power On Power On—batteries high Battery...

  • Page 37: Bluetooth Light

    STAT U S L I G H TS BLUETOOTH LIGHT NOTE: This section applies to Bluetooth models only. Shows the connection status of a mobile device. LIGHT ACTIVITY SYSTEM STATE Blinking purple (in sync with Power light) Ready to connect Blinking blue (in sync with Power light) Connecting/Connected DIM THE STATUS LIGHTS...

  • Page 38: Secondary Audio Sources

    SECON DA RY AUD I O SO UR C E S You can connect your headset to a secondary audio source in two ways: • AUX (wired) connection • Bluetooth (wireless) connection (applies to Bluetooth models only) AUX CONNECTIONS Use the 3.5 mm AUX audio cable to connect a non-wireless device. 1.

  • Page 39: Bluetooth Connections

    3. On your mobile device, enable the Bluetooth feature. NOTE: The Bluetooth feature is usually found in the Settings menu. 4. Select the headset from the device list. Bose A30 Once connected, you hear a tone, and the Bluetooth light blinks blue. NOTES: ...

  • Page 40: Disconnect A Mobile Device

    SECON DA RY AU D I O S O UR CE S Disconnect a mobile device 1. Press and hold the Bluetooth/Multi-function button l for 5 seconds to turn the Bluetooth feature off. 2. Move the Secondary Audio Mode switch to the OFF position (see page 45). NOTE: You can also use Bluetooth settings to disconnect your device.

  • Page 41: Switch Between Connected Devices

    SECON DA RY AU D I O S O UR CE S Switch between connected devices 1. Pause audio on your first device. 2. Play audio on your second device. Clear the headset pairing list 1. Press and hold the Bluetooth/Multi-function button l and z (the Bluetooth volume down button, located on the side of the control module) simultaneously for 7 seconds, or until the Bluetooth light blinks purple in sync with the Power light.

  • Page 42: Bluetooth Functions

    SECON DA RY AU D I O S O UR CE S BLUETOOTH FUNCTIONS NOTE: This section applies to Bluetooth models only. Bluetooth volume functions The Bluetooth volume controls are located on the side of the control module. FUNCTION WHAT TO DO Bluetooth volume up Press H.

  • Page 43: Call Functions

    SECON DA RY AU D I O S O UR CE S Call functions The Bluetooth/Multi-function button l is located on the front of the control module. FUNCTION WHAT TO DO Dial from your connected phone. Make a call The call automatically transfers to the headset. Press l.
  • Page 44 3 minutes after the call is ended. • To use the headset when unplugged from the intercom (to listen to audio or to make or receive calls), Bose recommends to disable the Auto off feature for uninterrupted functionality. See “Operation Switches” on page 26.

  • Page 45: Secondary Audio Priority

    SECON DA RY AU D I O P R I O R I TY SECONDARY AUDIO MODE SWITCH Controls how secondary audio sources are heard in relation to the intercom. FUNCTION POSITION DESCRIPTION When an intercom signal is detected, secondary audio is MUTE temporarily muted until intercom audio ceases.

  • Page 46: Priority Operation Switch

    SECON DA RY AU D I O P RI O RI T Y PRIORITY OPERATION SWITCH Establishes priority between two secondary audio sources connected at the same time. 1. Locate the PRIORITY operation switch inside the battery compartment. 2. Set the switch to the correct source (BT or AUX). See “Change the operation switches”...

  • Page 47: Care And Maintenance

    CA RE A N D M A IN T E N AN CE STORE THE HEADSET • Place the headset in the carry case for easy, convenient storage. • Store the headset in a ventilated area away from direct sunlight. •...

  • Page 48: Clean The Headset

    CAUTION: Do NOT blow air into or vacuum the openings, as this may damage the headset. Do not attempt to remove, replace, repair, or clean the inner screen inside the earcup. If the screen appears to be damaged or worn out, contact Bose customer service. Earcup inner...

  • Page 49: Limited Warranty

    Bose contact information in your country/region) for specific return and shipping instructions. 2. Label and ship the product, freight prepaid, to the address provided by the Bose organization in your country. 3. Place any necessary return authorization number prominently on the outside of the carton.

  • Page 50: Replacement Parts And Accessories

    CA R E A N D M AI NTE N AN CE REPLACEMENT PARTS AND ACCESSORIES Through normal use, parts like windscreens and ear cushions may require periodic replacement. Replacement parts and accessories can be ordered through Bose customer service. Visit: support.Bose.com/A30 support.Bose.com/A30 Available accessories •...
  • Page 51 CA R E A N D M AI NTE N AN CE Remove the old ear cushion 1. Grasp the ear cushion skirt where it folds into the slot on the earcup. 2. Gently pull the ear cushion skirt up and away from the earcup. Install the new ear cushion 1.

  • Page 52: Headband Cushions

    CA R E A N D M AI NTE N AN CE Headband cushions Replace the cushion once regular care and maintenance fails to restore the cushion to its original size and shape. 1. On a protected surface, turn the headset upside down. 2.

  • Page 53: Microphone Windscreen

    CA R E A N D M AI NTE N AN CE Microphone windscreen You can remove the windscreen to wash it or to replace it as needed. 1. Gently grasp the microphone base and peel the windscreen away from the microphone.

  • Page 54: Troubleshooting

    – Try connecting another Bluetooth device (see page 40). OTHER SOLUTIONS If you could not resolve your issue, see the table below to identify symptoms and solutions to common problems. If you are unable to resolve your issue, contact Bose customer service. Visit: worldwide.Bose.com/Contact worldwide.Bose.com/Contact Acoustic Noise Cancelling...

  • Page 55: Intercom Communications

    TR OUBL ES H O OTI N G PROBLEM WHAT TO DO Tap Control is disabled during extreme levels of ambient noise Tap Control doesn’t to ensure proper noise reduction performance and intercom function during communication quality. However, you can still set the noise extreme ambient cancellation level to LOW in both earcups using the Acoustic Noise noise conditions...

  • Page 56: Audio

    TR OUBL ES H O OTI N G Audio PROBLEM WHAT TO DO Make sure the earcups are clean and free of debris Reduced noise (see page 48). cancellation, intermittent Remove the microphone, then attach again (see page 30). clicking sounds, If the headset emits any loud noise and related loss of or communication communications while in Acoustic Noise Cancelling mode, turn the...

  • Page 57: Microphone

    TR OUBL ES H O OTI N G Microphone PROBLEM WHAT TO DO Make sure the white dot on the microphone is facing your mouth (see page 19). Make sure the microphone is fully connected to the headband (see page 30). Microphone doesn’t Check the Squelch level on the intercom and adjust if needed.

  • Page 58: Bluetooth Audio Source

    TR OUBL ES H O OTI N G Bluetooth audio source NOTE: This section applies to Bluetooth models only. PROBLEM WHAT TO DO Make sure the Secondary Audio Mode switch is in the MUTE or MIX position (see page 45). Turn on and off Bluetooth on the mobile device.

  • Page 59: Auto On/Off

    It may take up to 9 minutes for the headset to power off when not in use immediately after initial power up. If the headset has not powered off after 15 minutes, contact Bose customer service. Reversionary mode PROBLEM WHAT TO DO Set the REVERSIONARY operation switch to ON (see page 28).

  • Page 60: Mount The Aircraft Panel Connector

    The aircraft panel connector is part of the optional 6-pin wiring harness assembly. Visit www.Bose.com www.Bose.com or global.Bose.com global.Bose.com for information or to purchase. WARNING: The aircraft panel connector must be mounted by a technician who is qualified to perform this type of avionics installation for the aircraft you are using.

  • Page 61: Mono Connection Diagram

    CAUTION: Do NOT use excessive force or bend the installed connector. This may damage or break internal solder joints. NOTE: The aircraft panel connector cannot be installed in an audio system using transformer-coupled audio outputs. Contact Bose customer service. Mono connection diagram 10-32...

  • Page 62: Stereo Connection Diagram

    6 MIC LO BLK/WH Audio Microphone - Jack Existing PTT switch Barrel and wiring (gnd) (PTT) (no connection to Bose headset) Phone Existing wiring to Stereo Headphone - Jack audio (right) aircraft stereo intercom/audio panel Barrel (audio gnd) (phone audio left)

  • Page 63: Details On Making The Connections

    IN STA L L AT IO N Details on making the connections The pinouts for the optional installed connector are detailed in the table below. PIN NUMBER COLOR PURPOSE V+IN: Headset power (10-32 VDC). Use a 1/4 amp fuse or a 1/2 amp circuit breaker. GND: System ground.

  • Page 64: Technical Information

    T ECHN I CA L I NFO RM AT I O N HEADSET SPECIFICATIONS SPECIFICATION DESCRIPTION 96.5 +/- 3.5 dBA SPL* Headphone sensitivity *Measured per RTCA DO-214A Subparagraph 2.7.2.1(a) Mono mode: 150 Ohm* Headphone impedance Stereo mode: 300 Ohm* *Measured per RTCA DO-214A Subparagraph 2.3.4.1 Total span (max - min) +/- 7.5 dB* Headphone frequency response...
  • Page 65 T ECHN I CA L I NFO RM AT I O N SPECIFICATION DESCRIPTION Slider not extended: 8.425" (214 mm) H x 6.34" (161 mm) W x 3.15" (80 mm) D Headset size range Slider extended: 10.2" (259 mm) H x 6.6" (168 mm) W x 3.15" (80 mm) D Control module dimensions 1.5"...

  • Page 66: Faa Technical Standard Order

    T ECHN I CA L I NFO RM AT I O N FAA TECHNICAL STANDARD ORDER The Bose A30 Aviation Headsets that are approved to TSO and ETSO C139a are appropriately marked. The product interface, cables, and microphones have been designed to function in or withstand exposure to the environmental conditions below.
  • Page 67 T ECHN I CA L I NFO RM AT I O N Environmental categories cited refer to RTCA DO-160G and RTCA DO-214a (December 18, 2013). The conditions and tests required for TSO approval of this article are minimum performance standards. Those installing this article either on or within a specific type or class of aircraft must determine that the aircraft installation conditions are within the TSO standards which include any accepted integrated non-TSO functions.
  • Page 68 ©2023 Bose Corporation, 100 The Mountain Road, Framingham, MA 01701-9168 USA AM876056-0010 Rev. 00...

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