Bose X manuale d’uso

A VIATION HEADSET ©2006 Bose Corporation , The Mountain, Framingham, MA 01701-9168 USA AM270261 Rev .01 Owner ’s Guide[...]

DECLARA TION OF CONFORMITY W e, the of fer er: Bose Corporation, The Mountain , Framingham, MA 01701- 9168 USA Acknowledge our sole respon sibility , that the pr oduct: Kind of equipment: Bose ® A viation Headset T ype Designatio n: AHX-32-0# and AHX-34-0# In accor dance with EMC Dir ective 89 /336/EEC and Article 10(1 ) of the Dir ective, is in c[...]

3 C AUTIONS AND A DVISORIES Operational advisory The Bose ® Aviation Headset is an active nois e reducing (ANR) headset. As with any complex elect ron ic device, it is possible for this headset to fail durin g operation. Sympto ms of failure may include loud tones, distortio n, and loss of c ommunications sig nal in the headset when u sed in the A[...]

4 C AUTIONS AND A DVISORIES How use of the headset affects hearing safety The headse t is intended for use with ANR tu rne d on. Noise reduction and communications performance are r educed with ANR tu rned off. V olume control Make sur e your airc raft communic a tions system volume control is easily accessible. This control affects the strength of[...]

5 C AUTIONS AND A DVISORIES Figure 2 Tr i P o r t ® headset openings T riPort headset openings Earcup inner screen The protective inner scre en is cr itical 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, replace, or r epair this screen. If o[...]

6 C ONTENTS Cautions an d Advisories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Operational a dvisory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 How use of t he headset af fects heari[...]

7 C ONTENTS Operating th e aircraft pow ered headset . . . . . . . . . . . . . . . . . . . . . . . 23 Power switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Volume contro l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Notice the individua l earcup co ntrols . . . . . . . .[...]

8 I NTRODUCTION W e appreciate your choice Congratulat ions on you r purchase of a Bose ® Aviati on Headset . This headset combin es Bose Acoustic Noise Cancelling ® headset technology to electronically reduce unwant ed aircraft noise, and Bose T riPort ® he adset techno logy for a smaller , lighter , more comfortable headset that delivers fu ll[...]

9 I NTRODUCTION Figure 4 The (a) battery powered and (b) aircraft powered versions of the headset (a) (b)[...]

10 G ETTING Y OUR H EADSET R EADY FOR U SE Locate the serial number for yo ur product registration card The Bose ® Aviation Headset includes a pr oduct r egistration card in the carton. Please fill in the requested information and mail it to Bose. W e will use this info rmation to p rovide you with appropriate a dvisories a nd updates. Be su re to[...]

11 G ETTING Y OUR H EADSE T R EADY FOR U SE note the impo rtant mark ings for left (L) and right (R) above eac h ear - cup. These mark ings indicate which ear each earcup is intende d to fit over . Removing an attached boom microphone cable 1. Use a flat-tipped scr ewdriver to loosen the two screws at the base of the boom microphone ca ble assembly[...]

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 co nnector pins until it is fully engaged and the cable assembly is flush w ith the earcup. CAUTION: Do not apply e xcessiv e fo rce, which[...]

13 G ETTING Y OUR H EADSE T R EADY FOR U SE Preparing to use battery power The batter y compartment o n your heads et control model serv es two purposes. In additio n to holding the batter ies, it contains small switches ( Figure 9 ) that give you the option to change some of the factory-set o peration def aults for y our headset. Figure 9 Optional[...]

14 G ETTING Y OUR H EADSET R EADY FOR U SE Inserting batteries Insert the two supplied alkaline AA batteries (IEC LR 6) into the control module ( Figur e 10 ). Figure 10 Installing the two batteries + CAUTION: The battery compar tment is designed to pre v ent inadv er t - ent rev e rse polarity from installing the ba tteries incorrec tly . If the b[...]

15 G ETTING Y OUR H EADSE T R EADY FOR U SE CAUTION: Do not attempt to pull the connector out witho ut first pull - ing back on the slee v e. F orcing the connector out will cause damage to the cab le and/or y our aircr aft instrument pane l. Figure 11 Attaching and removing the cable Slide sleeve to release Align keyway Mounting the connector Moun[...]

16 G ETTING Y OUR H EADSET R EADY FOR U SE Details on making the connections The pinout for the opt ional installe d connector is: 1 Red Headset power (10-3 2 VDC). Use a 1 / 4 -amp fuse or a 1 / 2 -amp circuit breaker . 2 Black System ground. Conn ect to the existing audio gr ound. 3 White Phone communication–Left. 4 Black Phone communication ?[...]

17 G ETTING Y OUR H EADSE T R EADY FOR U SE Notes For use with a stereo intercom, connect the left and right chann els to their respective positions. For monaural operation , connect pins 3 & 4 togethe r to the tip of the exist ing phon e jack. Do not use exces sive for ce or bend the inst alled connector . This may damage or break inter nal so[...]

18 G ETTING Y OUR H EADSET R EADY FOR U SE Mono, stereo, and helicopter co nnection diagrams Figure 13 Diagram of connections for a mono signal Ring and wiring Ti p (phone a udio) p Figure 14 Diagram of connections to aircraft stereo jacks n Figure 15 Diagram of connections to a helicopter single jack[...]

19 U SING Y OUR H EADSET W earing it properly Prope r fit on your head is important bot h for comfort and good noise redu ction performa nce. Her e ar e a few guidelines: • Use the left (L) and right (R) markings above the ear cups to orie nt the headset properly ( Fig ure 16 ). Figure 16 Matching t he R and L markings to your right and left ears[...]

20 U SING Y OUR H EADSET Microphone placement Proper microphone placement is important fo r clear communic a - tions. With t he headset on y our head, make t hese adjustments: 1. Grasp th e boom with your fingers and move the microphone up or down so it is le vel with your mouth ( Figure 17 ). Figure 17 Properly placing the micro - phone, (a) wide [...]

21 U SING Y OUR H EADSET Power button Use the power button to tur n the he adset on or off, or to chan ge the LED brightness (Figure 18). • Press the power bu tton once to tur n on ANR. • Pr ess and hold the power butt on to turn off ANR. Or rely on the smart shutoff feature (descibed on pa ge page 13 ). Note: F or details o n how to disable sm[...]

22 U SING Y OUR H EADSET Holding the contro l module upright and facin g you: • Use the left kn ob to adjust volume in the left earcup. • Use the righ t knob to adjust volume in the rig ht earcup. Controlling the volume of a si ngle battery powered headset With ANR on: 1. Set the air craft communication sy stem to a safe op erating level. 2. T [...]

23 U SING Y OUR H EADSET An LED, loca ted on th e control module, cha nges color to indicate the power status, as follows: LED Color T ype of lig ht Indicates Green Blinking P ower ON and batt erie s good Amber F ast blinking P ower ON, but batteries low (8 hours or less remaining) Red F aster blinking P ower ON, but batteries very low (2 hours or [...]

24 U SING Y OUR H EADSET CAUTION: Av oid setting the volume le vels too high. Exposure to loud sounds ma y cause hearing damage . Notice the individual earcup controls Separate knobs on the control module control the volume f or each separate earcup ( Figur e 19 on page 23 ). Holding the contro l module upright and facin g you: • Use the left kn [...]

25 H EADSET C ARE AND M AINTENANCE Instructions for continued airworthiness Bose recommends following the g eneral care and maintenan ce instructions in this guide. With n ormal use, ite ms such as win d - screens and ear cushions may requir e periodic replacement. If cleaning or r eplac ement of these items is needed, follow th e recommendations o[...]

26 H EADSET C ARE AND M AINTENANCE Ear cushions As a general rule, ea r cushions should be r eplaced a fter 500 hour s of use, depending on how often you fly . Y ou may have to replace th em more often, if you: • have a full bear d or heavy whis kers • subject the he adsets to se vere temperatur e extr emes s uch as parking your airplane outsid[...]

27 H EADSET C ARE AND M AINTENANCE Headband cushion 1. Remove the c ushion as described in “Headband cushion replacement” on page 29 . 2. Place the c ushion in a solut ion of water an d a mild detergent. 3. Allow the cushion to air dry , then, reattach. Removing environmental moisture If the protective inner screen become s damp, due to en viro[...]

28 H EADSET C ARE AND M AINTENANCE 3. Properly position the replacement ear cushion against the earcup. 4. T uck an edge of the ear cu shion skirt into th e slot behind the ear cushion flan ge. Be careful not t o fold the skirt over . 5. W ork the remainder of the skirt into the slot complet ely around the earcup. 6. Grasp the ear cushion and adjus[...]

29 H EADSET C ARE AND M AINTENANCE Battery door replacement 1. Slide the battery door down using the fing er indent and lift open. 2. Gently rota te the cover sideways to r emove fr om the contr ol module. 3. Insert new door tab, being ca reful to insert between the metal spring and p lastic hous ing. Headband cushion replacement The headban d cush[...]

30 T ROUBLESHOOTING In case of difficulty Look for the pr oblem in the left column of the table, then follo w the instruction s on “What to do” in the righ t column. If t he prob lem per - sists, contact the Bose ® Aviation Headset Department, u sing the contact infor mation on page 34 of this guide, fo r assistan ce. Prob lem What to do Commu[...]

31 T ROUBLESHOOT ING Ster eo missing o r communi - cations in o ne ear only • If your aircraft has a mono audio system, verif y that the s tereo/ mono configur ation switc h is set to mo no. See “Changing the optional operation switches” on page 13 . If th e switch is set to stereo, and the headset is plugged into a mono audio system, you wil[...]

32 T ECHNICAL I NFORMATION Sound pressure levels (SPL) ar e relative to 20 micr opascals. Headphone Damage could occur to avionics equ ipment that is intend ed for use on ly with 600-ohm headsets. If in doubt, consu lt the avionic s equipment manu factur er . Impedance Monaural mode: 1 60 ohms (ON) an d 230 ohms (OFF) at 1 kHz Ster eo mode: 320 o h[...]

33 T ECHNICAL I NFORMATION F AA T echnical Standards Or der The Bose ® Aviation Headset , including its interf ace, cables, an d electret boom microphone, is F AA ap proved to TSO C-57a and C-58a. It has been de signed to functi on in or withstan d exposure to the following environmental conditions: Condition Ca tegory AF Conducted Susceptibility [...]

34 S ERVICE & W ARRANTY I NFORMATION W arranty period Limited 5-year war ranty: Bose Corporat ion warrants this he adset to be fr ee fr om defect s in material s and workmanship for a pe riod of five years from the date of pur cha se. Ear cushion life will vary with use. Ear cushion s carry a six-mo nth limited warr anty against ma nu - facture[...]

35 S ERVICE & W ARRANTY I NFORMATION Euro pean Headquarters: Noise Reduction T e chnology Group Nijverheidstraat 8 NL-1135 GE Edam TEL:+31(0)299 -390150 F AX:+31(0)299-390109 E-MAIL: av iation_europe@bose.c om W orld Wide W eb: www .bose.com Or dering par ts and accessories The following acce ssories and customer -r eplaceable c omponents may b[...]

A VIATION HEADSET ©2006 Bose Corporation , The Mountain, Framingham, MA 01701-9168 USA AM270261 Rev .01 Owner ’s Guide[...]