Bose Aviation Headset X Owner's Manual
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Bose Aviation Headset X Owner's Manual

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Aviation Headset X
Owner's Guide

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Summary of Contents for Bose Aviation Headset X

  • Page 1 ® The Bose Aviation Headset X Owner’s Guide...

  • Page 2: Safety Information

    Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA Acknowledge our sole responsibility, that the product: Kind of equipment: Bose Aviation Headset X Type Designation: AHX-02, AHX-03, AHX-04, AHX-05, AHX-06, AHX-07, AHX-08 is in compliance with the following norm(s) or document(s):...

  • Page 3: Cautions And Advisories

    An aircraft powered headset should be connected to the aircraft power sources only as described in this guide. The aircraft powered headset will not operate properly if used with a Bose Series II battery pack or with any commercial battery pack.

  • Page 4: Cautions

    Entertainment audio sources In addition, should you choose to listen to in-flight entertainment through a Bose Aviation Headset X while piloting, we remind you to limit the volume to safe levels that do not interfere with your ability to hear informational sounds and warning alarms, such as stall warnings or gear up.
  • Page 5 Cautions and Advisories Water damage Do not attempt to use or repair the headset if it has been immersed in ® water. Contact the Bose Aviation Headset Department for assistance. See the inside back cover for address information. Chemicals Certain chemicals may harm the headset. Seek information about...

  • Page 6: Table Of Contents

    Boom microphone cable variation table ..........10 ® Preparing the Bose Aviation Headset X Preparing the Bose Aviation Headset X for use ......... 11 Attaching or relocating the boom microphone cable ......... 11 Detaching the boom microphone cable or connector access cover ..............11 Attaching the boom microphone cable ..........
  • Page 7 Contents Operating the installed headset ..............17 Power switch ..................17 Volume control ..................17 Volume control using multiple headsets ..........18 Control module mounting clip ............. 18 Aircraft panel connector ..............18 Installing the aircraft panel connector ..........19 General Care and Maintenance Instructions for continued airworthiness .............

  • Page 8: Introduction

    You may have a battery powered version of the Bose Aviation Headset X, or an installed version. The illustrations in Figure 1 show the two different headsets.

  • Page 9: Headset Description

    Boom microphone cable variations All boom microphone cables assemble into the headset as described in Preparing the Bose Aviation Headset X on page 11. Depending upon the headset configuration purchased, the boom microphone cable will be one of the types described in the Boom microphone cable variation...

  • Page 10: Boom Microphone Cable Variation Table

    Introduction Boom microphone cable variation table Note: You will need to verify the type of headset connection required by your aircraft communications panel before choosing a configuration from the table below. Power Cable Microphone Plug Controls Source Type Battery Straight Electret Standard •...

  • Page 11: Preparing The Bose ® Aviation Headset

    Preparing the Bose Aviation Headset X Preparing the Bose Aviation Headset X for use Most Bose headsets are shipped with the boom microphone cable attached. Some headset configurations are shipped with the cable packed separately in the shipping container. All headset configurations allow the boom microphone cable to be attached to either earcup, at the user’s option.

  • Page 12: Attaching The Boom Microphone Cable

    General Care and Mainte- nance on page 26. Warranty card The Bose Aviation Headset X comes with a warranty card. Please supply the requested information to help Bose provide you with advisories and updates. Copy the serial number, located beneath the...

  • Page 13: Using The Bose ® Aviation Headset

    ANR as the headset compensates for a momentary pressure change. If there is a problem, refer to Trouble- shooting. If the problem persists, contact the Bose Aviation Headset Department for assistance. Note: A low rumbling sound or frequent brief losses of ANR may indicate an improper fit or blocked earcup ports.

  • Page 14: Microphone Placement

    ® Using the Bose Aviation Headset X Microphone placement Clear communications depend on proper microphone placement. Follow these three steps for proper placement: 1. Identify the left and right earcups and put on the headset. 2. While holding the boom pivot in place, grasp the boom with your fingers and move the microphone housing to your mouth.

  • Page 15: Stereo/Mono Switch

    ® Using the Bose Aviation Headset X Operating the battery powered headset (cont.) Stereo/mono switch The stereo/mono switch is provided only on the general aviation, battery powered headsets. The battery powered versions of the headset are shipped from the factory in the MONO setting. If your audio or intercom communications system is in stereo, be sure to set the switch to stereo (see A in Figure 5).

  • Page 16: Volume Control

    Operating the battery powered headset (cont.) Volume control Control of the volume level of the Bose Aviation Headset X requires adjustments at both the aircraft intercom or radio and at the headset control module. Avoid setting the volume levels too high. Exposure to loud sounds may cause hearing damage.

  • Page 17: Operating The Installed Headset

    1. Power switch 2. Volume controls Volume control Control of the volume level of the Bose Aviation Headset X requires adjustments at both the aircraft intercom or radio and at the headset installed control module. Note: Avoid setting the volume levels too high. Exposure to loud sounds may cause hearing damage.

  • Page 18: Volume Control Using Multiple Headsets

    Volume control using multiple headsets When an aircraft has more than one headset connected to its audio system, the pilot in command should adjust the volume of his/her Bose Aviation Headset X as follows: 1. Turn off active noise reduction by setting the power switch to OFF.

  • Page 19: Installing The Aircraft Panel Connector

    ® Using the Bose Aviation Headset X Operating the installed headset (cont.) Installing the aircraft panel connector Mount the connector into a cutout, as shown in Figure 7. Connect the eight wires as follows: • Two for the microphone • Two for audio •...
  • Page 20 ® Using the Bose Aviation Headset X The pinout for the optional installed connector is: Wire Color Description Headset power (10-32 VDC). Use a -amp fuse or a -amp circuit breaker. Black System ground. Connect to the existing audio ground.
  • Page 21 Using the Bose Aviation Headset X Operating the installed headset (cont.) • The Bose aircraft panel connector cannot be installed to an audio system using transformer-coupled audio outputs. Call the Bose Aviation Headset Department for details. • Adhesives approved for use with this connector are: •...
  • Page 22 ® Using the Bose Aviation Headset X Operating the installed headset (cont.) 10-32 Figure 9 1 V+IN V DC 2 GND Installation to existing 3 COMM L aircraft stereo jacks 4 COMM R 5 MIC HI WHT/BLU 6 MIC LO...

  • Page 23: General Care And Maintenance

    All other care and maintenance in and out of the warranty period must be performed by Bose or an authorized dealer. Other maintenance is performed by condition only.
  • Page 24 Do not use electric heaters, blowers, or hair-dryer type devices to dry the inner screen. If the headset is ® immersed in liquid, do not use it. Contact the Bose Aviation Headset Department for assistance.

  • Page 25: Replacing The Ear Cushion

    General Care and Maintenance Replacing the ear cushion Replace the ear cushion as follows. See Figure 11: 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.

  • Page 26: Replacing The Wind Screen

    General Care and Maintenance Replacing the wind screen Replace the wind screen as follows (see Figure 12): 1. Remove the attaching band by rolling away from the tip of the microphone. 2. Gently pull the wind screen from the microphone. 3.

  • Page 27: Replacing The Headband Cushion

    Figure 14 Remove and replace the headband cushion Replacing the boom microphone cable or connector access cover Replace the boom microphone cable or connector access cover as described in Preparing the Bose Aviation Headset X on page 11.

  • Page 28: Troubleshooting

    Identify the problem in the left column of the table. Perform the corrective actions suggested in ® the right column. If the problem persists, contact the Bose Aviation Headset Department, using the contact information on page 33 of this guide, for assistance.
  • Page 29 Troubleshooting Problem What to do Low rumbling sound with • Adjust the earcup fit to create a better seal on the head. headset turned on in a The headset’s low-force design makes it sensitive to quiet environment items that interfere with the seal around the ear. Ensure that the ears are completely inside the ear cushions and that items such as a hat or eyeglasses with thick temples do not interfere with the seal.

  • Page 30: Technical Information

    Technical Information Sound pressure levels (SPL) are relative to 20 micropascals. Headphone Damage could occur to avionics equipment that is intended for use only with 600-ohm headsets. If in doubt, consult the avionics equipment manufacturer. Impedance Monaural mode: 160 ohms (ON) and 230 ohms (OFF) at 1 kHz Stereo mode: 320 ohms (ON), 460 ohms (OFF) Frequency response 15 Hz to 15 kHz...

  • Page 31: Faa Technical Standards Order

    Technical Information FAA Technical Standards Order ® The Bose Aviation Headset X, its interface, cables, and electret boom microphone are FAA approved to TSO C57a and C58a. It has been designed to function in or withstand exposure to the following environ-...

  • Page 32: Service And Warranty Information

    • Wind screen with attachment band • Aircraft panel connector installation kit • Battery cover • Fleece headband cushion Contact the Bose Aviation Headset Department for ordering informa- tion. Warranty period Limited two-year warranty: Bose Corporation warrants this headset to be free from defects in materials and workmanship for a period of two years from the date of purchase.

  • Page 33: Service

    • Warranty and repair information To return your headset to Bose: ® 1. If the headset is being returned during a Bose thirty-day trial period, request a return authorization number from the Bose Aviation Headset Department. Clearly mark the return authorization number on the outside of the package.
  • Page 34 Notes...
  • Page 35 Notes...
  • Page 36 ©2001 Bose Corporation The Mountain, Framingham, MA 01701-9168 USA 259880 AM Rev.00 JN11018...

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