Bose AHX-32-0 Owner'S Manual Download | Manualshive

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AVIATION HEADSET

©2006 Bose Corporation, The Mountain,

Framingham, MA 01701-9168 USA

AM270261 Rev.01

Owner’s Guide

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Summary of Contents for AHX-32-0

Page 1: ...AVIATION HEADSET Owner s Guide ...

Page 2: ... 0 and AHX 34 0 In accordance with EMC Directive 89 336 EEC and Article 10 1 of the Directive is in compliance with the following norm s or documents s Technical regulations EN55013 EN55020 Accredited by Bose Corporation The Mountain Framingham MA 01701 9168 USA Bose Products B V Vice President Europe Nijverheidstraat 8 1135 GE Edam Manufacturer sauthorized The Netherlands EU representative 15 Jun...

Page 3: ...assive noise reducing mode ANR mode is active when the headset control module power switch is set to ON Figure 1 or when the battery power indicator is lit The headset is in the passive mode when the power switch is set to OFF or when the battery power indicator is unlit Figure 1 On Off switch on a the battery powered headset and b the aircraft powered headset b a Battery power indicator Power swi...

Page 4: ...nds of your aircraft With the headset s active and passive noise reduction typical aircraft sounds from engines propellers warning alarms and other sound sources may not sound familiar We strongly advise you to make sure you can hear and recognize these sounds when using the Bose Aviation Headset while operating any aircraft Using entertainment audio sources When listening to in flight entertainme...

Page 5: ...or repair this screen If operating problems indicate the need for screen replacement contact the Bose Aviation Headset Department Refer to Contact information on page 34 If the screen gets wet or any foreign objects become lodged on or adjacent to it follow the instructions in Headset Care and Maintenance on page 25 Storage Do not store the headset in an unventilated area or in direct sunlight If ...

Page 6: ...ving an attached boom microphone cable 11 Attaching the boom microphone cable 11 Clothing clip 12 Preparing to use battery power 13 Changing the optional operation switches 13 Inserting batteries 14 Preparing the aircraft powered headset for use 14 Attaching and removing the cable 14 Mounting the connector 15 Details on making the connections 16 Use proper adhesives 17 Mono stereo and helicopter c...

Page 7: ...hone windscreen 26 Earcup inner screen 26 Replacement parts 26 Headband cushion 27 Removing environmental moisture 27 Replacing parts 27 Microphone windscreen replacement 27 Ear cushion replacement 27 Battery replacement 28 Battery door replacement 29 Headband cushion replacement 29 Boom microphone cable or connector access cover replacement 29 Troubleshooting 30 In case of difficulty 30 Technical...

Page 8: ...on Headset is available in variations designed for general aviation and helicopter use There are also battery powered and aircraft powered versions Figure 4 on page 9 The communications cable for your headset may be either straight or coiled depending on the headset configuration you have purchased Features common to most variations Acoustic Noise Cancelling headset technology TriPort headset tech...

Page 9: ...9 INTRODUCTION Figure 4 The a battery powered and b aircraft powered versions of the headset a b ...

Page 10: ... more information on replacing the headband cushion see Headband cushion replacement on page 29 Date of manufacture Your headset s date of manufacture is an important part of your serial number It is the underlined four digit number that begins just after the first alphabetic letter in the serial number Example 031963E31920040E In this example the date of manufacture is 3192 The first digit 3 refe...

Page 11: ...igure 6 Pulling the cable assembly straight out from the earcup Access cover Connector pins Cable assembly Connector pins L for left Attaching the boom microphone cable Before you attach the boom microphone make sure that the cable connector and its earcup connector are clean and free of debris 1 Use a flat tipped screwdriver to loosen the two screws on the access cover near the bottom of the earc...

Page 12: ...t The label should be facing your lips 7 Attach the access cover to the connector panel on the earcup that does not have the boom mic attached Align the screws and tighten them to secure the cover If you moved the boom mic from one earcup to the other reuse the access cover you removed earlier CAUTION Be sure to try the headset and test its operation before flight Clothing clip Use the clothing cl...

Page 13: ...le smart shutoff set switch to OFF With the switch in OFF position the ANR system will not turn off until the power button is depressed and held for at least one second Note The smart shutoff function is designed to detect when the headset is not in use and shut off ANR to preserve battery power Smart shutoff turns off circuitry several minutes after you remove the headset Switch 5 Set to A at the...

Page 14: ...he aircraft CAUTION The aircraft panel connector must be mounted by a mechanic qualified to perform this type of avionics installation for the aircraft you are using If yours is an aircraft powered headset there is a connector on a 6 foot wiring harness that came in the carton This self latching preci sion designed quick connector is designed for panel mounting and mechanically keyed to ensure pro...

Page 15: ...nting the connector Mount the connector into a cutout as shown in Figure 12 below Connect the eight wires as follows Two for the microphone Two for audio One for power One for ground Two for audio shields Audio and microphone wires should be connected to the back of the existing microphone and headphone jacks leaving existing jacks intact for use with conventional headsets This is usually the fast...

Page 16: ...ft 4 Black Phone communication Right 5 White Microphone Hi audio Connect to the por tion of the existing microphone jack that corresponds to the ring position of a head set microphone plug Do not connect to the tip PTT segment 6 White Blue Microphone Lo ground Connect to the portion of the microphone jack that corre sponds to the barrel position of a headset microphone plug Comm Shield Black Shiel...

Page 17: ...black wire shield termination exiting each pair If existing wiring is not shielded connect shields to existing audio wiring shields or connect shield from Comm L and Comm R wire pair to audio ground The Bose aircraft panel connector cannot be installed to an audio system using transformer coupled audio outputs Call the Bose Avia tion Headset Department for details Use proper adhesives Adhesives ap...

Page 18: ...tereo and helicopter connection diagrams Figure 13 Diagram of connections for a mono signal Ring and wiring Tip phone audio p Figure 14 Diagram of connections to aircraft stereo jacks n Figure 15 Diagram of connections to a helicopter single jack ...

Page 19: ...itions related to fit A low rumbling sound or frequent brief losses of active noise reduc tion ANR may indicate an improper fit or blocked earcup ports Refer to Headset Care and Maintenance on page 25 for instruc tions on how to deal with a blockage In very loud conditions such as during takeoff you may experience brief reductions in ANR as the headset compensates for a momen tary pressure change ...

Page 20: ...in Though it will be slightly off center the microphone should be 1 2 inch from the opening of your lips 3 Make sure the broad side of the microphone is facing your lips Do not purse your lips Operating the battery powered headset If your headset is battery powered read the control information below If your headset is aircraft powered refer to Operating the air craft powered headset on page 23 The...

Page 21: ...knobs and power switch on the control module of a battery powered headset Volume control left ear Volume control right ear Power button for On Off and LED brightness setting LED brightness control symbol Battery power indicator On Off control symbol Volume control Notice the individual earcup controls Separate knobs on the control module control the volume for each separate earcup Figure 18 Overal...

Page 22: ...OFF 2 Turn each volume knob on the headset control module up to its maximum setting 3 Adjust the master volume on your aircraft intercom or radio until you can hear communications clearly Note This should be done in a noisy environment 4 Adjust the volume knobs on the headset control module to balance the volume between the left and right earcups 5 Turn ANR back ON 6 Turn down the aircraft interco...

Page 23: ...None Power OFF or batteries dis charged Operating the aircraft powered headset Power switch Turn on ANR by setting the power switch to ON Figure 19 Figure 19 The volume control knobs and power switch on the aircraft powered headset control module Volume control left ear Volume control right ear Power switch Volume control Overall headset volume control requires adjustments at both the air craft in...

Page 24: ...he headset control module down to decrease or up to increase the volume of the earcup it controls 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 as follows 1 Turn off ANR by setting the power switch to OFF 2 Turn up each volume knob on the headset control ...

Page 25: ...nly those parts listed below according to the instructions General cleaning Gently wipe the outside surfaces of the headband connectors plas tic parts and headband cushion using a soft cloth moistened with water and mild soap Take special care when cleaning the ear cush ions and the outside surfaces of the earcups as described below Earcup TriPort headset openings The TriPort headset openings show...

Page 26: ... as described in General cleaning on page 25 If the ear cushions require more vigorous cleaning remove them from the earcups as shown in Replacing parts on page 27 Do not immerse ear cushions in water or any other liquid Microphone windscreen Remove the windscreen from the microphone as described in Microphone windscreen replacement on page 27 Wash the windscreen by immersing in mild soapy water R...

Page 27: ... Bose Aviation Headset Department for assistance Replacing parts Through normal use parts like windscreens and ear cushions may require periodic replacement Microphone windscreen replacement 1 Remove the band that secures the windscreen by rolling the band from the tip of the microphone 2 Gently pull the windscreen off of the microphone 3 Slide on the replacement windscreen and make sure that it f...

Page 28: ...en as shown in Figure 22a 3 Remove the old batteries 4 Make sure that the battery compartment contacts are clean 5 Install two AA alkaline batteries IEC LR6 as shown in Figure 22b Use of rechargeable batteries while possible will alter the accuracy of the battery power indicator Figure 22 a Sliding open the battery compartment door b Inserting new batteries into the control module bat tery compart...

Page 29: ... its original size and shape To replace the cushion Figure 23 1 On a protected surface turn the headset upside down With another person holding the headset open for you remove the old cushion from the magnesium headband 2 With the headband still held open align the center of the new cushion with the center of the headband and press firmly from the center toward the outside Figure 23 Removing and a...

Page 30: ...trols are set too low Refer to Volume control on page 21 battery powered version or on page 23 aircraft powered version for instructions on volume adjustment Check the volume setting of intercom radio Check the headset aircraft connection Check stereo mono configuration switch See Changing the optional operation switches on page 13 Reduced active noise reduc tion intermittent clicking sounds or co...

Page 31: ...up The skirt should enclose the earcup evenly without gaps Replace any cushions that have surface tears torn stitching joints large wrinkles or have become dried and stiff Crackling sound audible with headset turned on in a loud environment or ANR is inter mittent Adjust the earcup fit to eliminate the crackling sound Refer to Wearing it properly on page 19 If your headset is battery powered check...

Page 32: ...epending upon bias and radio AC input impedance Typical output is 600 mV at 114 dB SPL To assure proper modulation of the radio it is recommended that an avionics technician adjust its input to match the output of the microphone Microphone Dynamic Impedance 5 ohms Sensitivity Equivalent to M 87 M 101 Maximum ambi ent noise level 115 dBC and 105 dBA SPL Power source Battery powered 2 AA alkaline IE...

Page 33: ...fect B Power input B RF susceptibility T Temperature altitude A1 Vibration S U Voltage spike A Shock drop 12 times 1m onto concrete Environmental categories cited refer to RTCA DO 160D July 29 1997 and DO 214 March 4 1993 Headset weight 12 ounces 340 grams on the head when cable is supported by the mounting clip Headset size range Breadth 4 8 to 6 3 inches Height 4 5 to 5 7 inches Temperature and ...

Page 34: ...r information To return your headset to Bose for repair 1 Call to request return authorization instructions from Bose 2 Clearly mark the return information given to you on the outside of the package 3 Enclose your name address daytime telephone number and e mail address along with a description of the problem 4 Securely pack the headset 5 We recommend that you insure the headset and use a transpor...

Page 35: ... Wide Web www bose com Ordering parts and accessories The following accessories and customer replaceable components may be purchased directly from Bose Refer to contact information on page 34 Additional control module cable Specify battery powered or aircraft powered Ear cushions Carry bag Windscreen with attachment band Aircraft panel connector installation kit Battery door Fleece headband cushio...

Page 36: ... 2006 Bose Corporation The Mountain Framingham MA 01701 9168 USA AM270261 Rev 01 ...

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