Page 2 - DECLARATION OF CONFORMITY
DECLARATION OF CONFORMITY We, the offerer: Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA Acknowledge our sole responsibility, that the product: Kind of equipment: Bose ® Aviation Headset Type Designation: AHX-32-0# and AHX-34-0# In accordance with EMC Directive 89/336/EEC and Article...
Page 3 - Operational advisory; The Bose; Power source; Your headset is one of two types: battery powered, or aircraft
3 C AUTIONS AND A DVISORIES Operational advisory The Bose ® Aviation Headset is an active noise reducing (ANR) headset. As with any complex electronic device, it is possible for this headset to fail during operation. Symptoms of failure may include loud tones, distortion, and loss of communications ...
Page 4 - How use of the headset affects hearing safety; Volume control; Aviation Headset while operating any aircraft.; Using entertainment audio sources; Other cautions; TriPort
4 C AUTIONS AND A DVISORIES How use of the headset affects hearing safety The headset is intended for use with ANR turned on. Noise reduction and communications performance are reduced with ANR turned off. Volume control Make sure your aircraft communications system volume control is easily accessib...
Page 5 - Figure 2; Earcup inner screen; Figure 3; Storage; storing the headset for extended periods.
5 C AUTIONS AND A DVISORIES Figure 2 TriPort ® headset openings TriPort headset openings Earcup inner screen The protective inner screen is critical to the headset’s ability to reduce noise (Figure 3). Figure 3 Protective inner screen inside the earcup Earcup inner screen Do not attempt to remove, r...
Page 6 - ONTENTS
6 C ONTENTS Cautions and Advisories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Operational advisory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 8 - NTRODUCTION; We appreciate your choice; Headset and cable variations; Features common to most variations:
8 I NTRODUCTION We appreciate your choice Congratulations on your purchase of a Bose ® Aviation Headset . This headset combines Bose Acoustic Noise Cancelling ® headset technology to electronically reduce unwanted aircraft noise, and Bose TriPort ® headset technology for a smaller, lighter, more com...
Page 9 - Figure 4
9 I NTRODUCTION Figure 4 The (a) battery powered and (b) aircraft powered versions of the headset (a) (b) 00_AM270261-01_HeadsetXII.book Page 9 Tuesday, August 11, 2009 2:27 PM
Page 10 - Locate the serial number for your product registration card; Date of manufacture; Decide where you want the boom microphone
10 G ETTING Y OUR H EADSET R EADY FOR U SE Locate the serial number for your product registration card The Bose ® Aviation Headset includes a product registration card in the carton. Please fill in the requested information and mail it to Bose. We will use this information to provide you with approp...
Page 11 - Before you remove or attach the microphone; Removing an attached boom microphone cable; Do not twist the boom microphone cable while disconnecting it.; Attaching the boom microphone cable; Remove the cover to reveal the connector pins on the earcup.
11 G ETTING Y OUR H EADSET R EADY FOR U SE Before you remove or attach the microphone , however, be sure to note the important markings for left (L) and right (R) above each earcup. These markings indicate which ear each earcup is intended to fit over. Removing an attached boom microphone cable 1. U...
Page 12 - Figure 7; Do not apply excessive force, which may result in earcup dam-; Clothing clip; Figure 8; Do not attempt to clip onto surfaces that are more than
12 G ETTING Y OUR H EADSET R EADY FOR U SE Figure 7 Positioning the mic cable assembly on the preferred earcup Connector pins Access cover Cable assembly Connector pins L for left 4. Press the assembly onto the connector pins until it is fully engaged and the cable assembly is flush with the earcup....
Page 13 - Preparing to use battery power; Figure 9; Changing the optional operation switches; driver to gently switch the tab.
13 G ETTING Y OUR H EADSET R EADY FOR U SE Preparing to use battery power The battery compartment on your headset control model serves two purposes. In addition to holding the batteries, it contains small switches (Figure 9) that give you the option to change some of the factory-set operation defaul...
Page 14 - Inserting batteries; Insert the two supplied alkaline AA batteries (IEC LR6) into the; The battery compartment is designed to prevent inadvertent; Preparing the aircraft powered headset for use; Attaching and removing the cable
14 G ETTING Y OUR H EADSET R EADY FOR U SE Inserting batteries Insert the two supplied alkaline AA batteries (IEC LR6) into the control module (Figure 10). Figure 10 Installing the two batteries + CAUTION: The battery compartment is designed to prevent inadvertent reverse polarity from installing th...
Page 15 - Do not attempt to pull the connector out without first pulling; Mounting the connector; • Two for the microphone
15 G ETTING Y OUR H EADSET R EADY FOR U SE CAUTION: Do not attempt to pull the connector out without first pulling back on the sleeve. Forcing the connector out will cause damage to the cable and/or your aircraft instrument panel. Figure 11 Attaching and removing the cable Slide sleeve to release Al...
Page 16 - Details on making the connections
16 G ETTING Y OUR H EADSET R EADY FOR U SE Details on making the connections The pinout for the optional installed connector is: Pin Wire color Description 1 Red Headset power (10-32 VDC). Use a 1/4 amp fuse or a 1/2 amp circuit breaker. 2 Black System ground. Connect to the existing audio ground. 3...
Page 17 - Notes
17 G ETTING Y OUR H EADSET R EADY FOR U SE Notes • For use with a stereo intercom, connect the left and right channels to their respective positions. If your intercom provides a monaural audio signal, connect pins 3 & 4 together to the tip of the existing phone jack. • Do not use excessive force...
Page 18 - Mono, stereo, and helicopter connection diagrams; Barrel ground (gnd) refers to aircraft grounds
18 G ETTING Y OUR H EADSET R EADY FOR U SE Mono, stereo, and helicopter connection diagrams Figure 13 Diagram of connections for a mono signal 10-32 V DC 1/2A 1V+IN2 GND3 COMM L4 COMM R5 MIC HI6 MIC LO RED BLK WHT BLU WHT WHT/BLU BLK/WH BLK/WH Ring (audio) Exisiting PTT switch and wiring (no connect...
Page 19 - Wearing it properly; • Use a light grasp to adjust each earcup so its cushion is com-; Conditions related to fit; Aviation Headset Depart-
19 U SING Y OUR H EADSET Wearing it properly Proper fit on your head is important both for comfort and good noise reduction performance. Here are a few guidelines: • Use the left (L) and right (R) markings above the earcups to orient the headset properly (Figure 16). Figure 16 Matching the R and L m...
Page 20 - Microphone placement; inch from the opening of your lips.; Operating the battery powered headset; The battery powered headset uses; AdaptiSense; TM headset
20 U SING Y OUR H EADSET Microphone placement Proper microphone placement is important for clear communica-tions. With the headset on your head, make these adjustments: 1. Grasp the boom with your fingers and move the microphone up or down so it is level with your mouth (Figure 17). Figure 17 Proper...
Page 21 - Power button; • Press the power button once to turn on ANR.; Notice the individual earcup controls
21 U SING Y OUR H EADSET Power button Use the power button to turn the headset on or off, or to change the LED brightness (Figure 18). • Press the power button once to turn on ANR. • Press and hold the power button to turn off ANR. Or rely on the smart shutoff feature (described on page page 13). No...
Page 22 - Controlling the volume of a single battery powered headset; Battery power indicator
22 U SING Y OUR H EADSET Holding the control module upright and facing you: • Use the left knob to adjust volume in the left earcup. • Use the right knob to adjust volume in the right earcup. Controlling the volume of a single battery powered headset With ANR on: 1. Set the aircraft communication sy...
Page 23 - LED Color; Operating the aircraft powered headset
23 U SING Y OUR H EADSET An LED, located on the control module, changes color to indicate the power status, as follows: LED Color Type of light Indicates Green Blinking Power ON and batteries good Amber Fast blinking Power ON, but batteries low (8 hours or less remaining) Red Faster blinking Power O...
Page 24 - Avoid setting the volume levels too high. Exposure to loud
24 U SING Y OUR H EADSET CAUTION: Avoid setting the volume levels too high. Exposure to loud sounds may cause hearing damage. Notice the individual earcup controls Separate knobs on the control module control the volume for each separate earcup (Figure 19 on page 23). Holding the control module upri...
Page 25 - Instructions for continued airworthiness; cleaning or replacement of these items is needed, follow the; Cleaning the headset; General cleaning
25 H EADSET C ARE AND M AINTENANCE Instructions for continued airworthiness Bose recommends following the general care and maintenance instructions in this guide. With normal use, items such as wind-screens and ear cushions may require periodic replacement. If cleaning or replacement of these items ...
Page 26 - Ear cushions; Do not
26 H EADSET C ARE AND M AINTENANCE Ear cushions As a general rule, ear cushions should be replaced every six months or every 350 hours of use, depending on how often you fly. You may have to replace them more often, if you: • have a full beard or heavy whiskers • subject the headsets to severe tempe...
Page 27 - Headband cushion; Removing environmental moisture; Replacing parts; Microphone windscreen replacement
27 H EADSET C ARE AND M AINTENANCE Headband cushion 1. Remove the cushion as described in “Headband cushion replacement” on page 29. 2. Place the cushion in a solution of water and a mild detergent. 3. Allow the cushion to air dry, then, reattach. Removing environmental moisture If the protective in...
Page 28 - Battery replacement; Remove the old batteries.; Close the battery door.
28 H EADSET C ARE AND M AINTENANCE 3. Properly position the replacement ear cushion against the earcup. 4. Tuck an edge of the ear cushion skirt into the slot behind the ear cushion flange. Be careful not to fold the skirt over. 5. Work the remainder of the skirt into the slot completely around the ...
Page 29 - Battery door replacement; Slide the battery door down using the finger indent and lift open.; Headband cushion replacement; Removing and attaching the headband cushion may be easier if a; Boom microphone cable
29 H EADSET C ARE AND M AINTENANCE Battery door replacement 1. Slide the battery door down using the finger indent and lift open. 2. Gently rotate the cover sideways to remove from the control module. 3. Insert new door tab, being careful to insert between the metal spring and plastic housing. Headb...
Page 30 - ROUBLESHOOTING; In case of difficulty; Problem
30 T ROUBLESHOOTING In case of difficulty Look for the problem in the left column of the table, then follow the instructions on “What to do” in the right column. If the problem per-sists, contact the Bose ® Aviation Headset Department, using the contact information on page 34 of this guide, for assi...
Page 32 - Headphone
32 T ECHNICAL I NFORMATION 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 ohm...
Page 33 - FAA Technical Standards Order; Condition
33 T ECHNICAL I NFORMATION FAA Technical Standards Order The Bose ® Aviation Headset , including its interface, cables, and electret boom microphone, is FAA approved to TSO C-57a and C-58a. It has been designed to function in or withstand exposure to the following environmental conditions: Condition...
Page 34 - Warranty period; To return your headset to Bose for repair; Contact information
34 S ERVICE & W ARRANTY I NFORMATION Warranty period Limited 5-year warranty: Bose Corporation warrants this headset to be free from defects in materials and workmanship for a period of five years from the date of purchase. Ear cushion life will vary with use. Ear cushions carry a six-month limi...
Page 35 - Ordering parts and accessories
35 S ERVICE & W ARRANTY I NFORMATION European Headquarters: Noise Reduction Technology Group Nijverheidstraat 8 NL-1135 GE Edam TEL:+31(0)299-390150 FAX:+31(0)299-390109 E-MAIL: [email protected] World Wide Web: www.bose.com Ordering parts and accessories The following accessories and cus...
Page 36 - AVIATION HEADSET; Owner’s Guide
AVIATION HEADSET ©2009 Bose Corporation, The Mountain,Framingham, MA 01701-9168 USAAM325239 Rev.00 Owner’s Guide
