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Sennheiser SH350 - page 1
Instr uct ions f or u se HMDC 372 HMEC 350/352 /355 355-C/356/3 72/450 ...
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Sennheiser SH350 - page 2
2 Conte nts S afe ty ti ps ..... ... ... ... .... ... ... ... ....... ... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ... ....... ... ... ... ... ... . ... ... ... ... .... ... ... 3 H eadset features ..... ... ... ... ... .... ... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... ....... ... ...
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Sennheiser SH350 - page 3
3 The H MEC 3 50 , HME C 352, HMEC 355 , HM EC 35 5-C, H ME C 35 6, HM EC 372 , HM EC 45 0 an d HMDC 37 2 a re pil ot he ads et s wit h cl os ed ea r p rot ect or he adph o nes and No iseG a rd ™ active noise compensation for use in helicopters, propeller and turboprop aircraft . Sa fety tips • With th e Noise Gard™ a cti ve nois e com pensat ...
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Sennheiser SH350 - page 4
4 Headset featu res HME C 35 0 No ise Gar d™ h ea dse t • Ne w a ct ive heads e t with ef fecti ve attenua tion of ex ternal noi se acros s the entir e freq u enc y spe ct rum du e t o Noi seG a rd™ a cti ve n oi se c om pe n sa tion • NoiseG ard™ active noise comp ensat ion pro vides c lear comm unic ations e ven in the noisies t e nvir ...
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Sennheiser SH350 - page 5
5 • Wi th t he N oi se Gar d™ ac tiv e noi se co mp en sa ti on tu rn ed o ff , th e hea d set can b e us ed as a convent ional headset • P ow er supply for NoiseGard™ is pr ovided vi a on-boar d power suppl y system, cigar ette ligh ter sock et o r ba tter y pa ck • F ail saf e operation in case of power failure • S u pp ly vo lt age f ...
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Sennheiser SH350 - page 6
6 HME C 35 5- C Noi seGa rd™ h ead set The HMEC 355 -C dif fers from the HMEC 350 in t he following features: • No Mono/St ereo switc h • Conne ction o f hea dphones a nd microp hone vi a XLR-5 p lug • Conn ection of Nois eGar d™ ele ctronic s via XLR -3 p lug HME C 35 6 No ise Gar d™ h ea dse t The H MEC 356 di ffer s f rom t he HME C ...
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Sennheiser SH350 - page 7
7 HM E C 45 0 No ise Gard ™ h ead set The HM EC 450 di ffer s fr o m th e H MEC 350 in the f o llow in g fea tur es: • Stylish silver design • L eath er et te ear cus h ions • He adband paddi ng c a n be butt oned HM D C 37 2 No ise Gard ™ h ead set The HMDC 372 differs from th e HMEC 350 in the following features: • No Mono/St ereo swi ...
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Sennheiser SH350 - page 8
8 Delivery includ es H MEC 3 50 , HME C 355- C, HM E C 372, HMEC 45 0 and HMDC 372 head se ts •H e a d s e t • 3-p in XLR so c ket f or aircraf t panel mounting (power supply vi a the on-bo ard system) • P added car ry and stor age bag with shoulder stra p fo r headset an d acces sories • W in d sc re en f or m i c rop h o ne (e x c ep t H ...
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Sennheiser SH350 - page 9
9 Re commend ed access ories Repl aceab le gel ear cu shions (Cat . No. 09280 7) BP- 04 batte ry pack (Cat . No. 50035 7) (excep t for HMEC 352, HM EC 35 5 and HM EC 356) Ba t ter y pack wit h XL R- 3 sock et fo r power ing th e Noi seG ard™ ele ctron ics of the HMEC 350 , HME C 35 5-C, HME C 37 2, H MEC 450 and H MD C 37 2 heads ets. Four 1. 5 V ...
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Sennheiser SH350 - page 10
10 Conne cting the he adset s Connecting c ables for h eadsets HME C 35 0 and HME C 450 hea dse ts: 1 ¼” (6.35 mm) st ereo j ack p lug for con nect ing th e hea dphon es 1 P J-0 68 j ack p lug for connectin g the micr ophone 1 XL R-3 pl ug for c onn ectin g the pow er supply for the NoiseG ard™ el ectro ni cs HME C 35 2 hea dse t: 1 ¼” (6.3 ...
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Sennheiser SH350 - page 11
11 HM E C 35 5- C hea dset : 1 XL R-5 p lug for c on necti ng the he a dphone s and t he mi crop hone 1 XL R -3 p lug for connec ting the po wer sup p ly for th e Noi seGard™ el ectroni c s HM E C 35 6 hea dse t: 1 6- pin R ede l plu g fo r conn e cting t he h eadp h ones , the m icr oph on e and t he po w er supply for the NoiseGard™ electroni ...
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Sennheiser SH350 - page 12
12 Co nne cto r assi gn me nt Redel c onnector (NoiseGard™ ) XLR-3 connector ( NoiseGard™) XLR-5 c onnector 1 P ower supply N oiseGard™ (DC+) 1 Power supply N oiseGard™ (DC+) HMEC 355 HMEC 355-C 2A u d i o L o / D C – 2G r o u n d 1A u d i o H i 1A u d i o H i 3A u d i o H i l e f t 3– * 2A u d i o L o / D C – 2A u d i o L o 4A u d i ...
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Sennheiser SH350 - page 13
13 Powering options The re ar e thr e e opt io n s fo r pow er in g th e No is e Gar d™ ac tiv e no is e com p ens a tio n: 1. Conne ction to th e on-board sy stem (12–35 V DC) 2. Conne ction t o the BP-04 battery p ack (acces so ry, ex ce pt for HMEC 352 , HM EC 3 55 and HME C 35 6) 3. Conn ectio n to t he cig aret te lig the r socke t (12 – ...
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Sennheiser SH350 - page 14
14 1. Connecti ng the headse t to the on-bo ard syste m The NoiseGard™ electronics can be connected to on- board power supply systems with op er at ing volt ag es b et wee n 12–3 5 V D C. Dange r of shor t circui t ! Before turning on NoiseGard™, ensure that the on-board power supply system is prot e cted by a 1 A fuse. Th e H MEC 35 0, HMEC ...
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Sennheiser SH350 - page 15
15 HM E C 35 2 hea dse t: 왘 Co nne ct th e ¼” (6. 35 mm) st ereo j ack p lug f or t he hea dphones and t he P J-0 68 jac k plu g fo r the mic ro ph one to t he cor res pon din g jack sock ets of you r int erco m. HM E C 35 5 hea dse t: 왘 Co nn ect th e XL R- 5 p lug to t he air cr a f t’ s XL R -5 so ck et . HM E C 35 5- C hea dset : 왘 C ...
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Sennheiser SH350 - page 16
16 2. Connecti ng the headset to the ba ttery pack (exce pt H MEC 352 , HM EC 35 5 and H M EC 35 6) Th e No ise Gard ™ el ec tron ics of t he HME C 350 , H MEC 355- C , HMEC 37 2, H ME C 450 an d H MDC 372 h eadsets can also b e p owered via the BP-04 batte ry p ack (see “Rec ommen de d acces sor ies” on p age 9). T he bat tery p a ck can b e ...
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Sennheiser SH350 - page 17
17 Conne cting the headse t, tur ning on the batt ery pack 왘 Conne ct the XLR-3 p lug of the head set connec ting c able to t he XLR- 3 socke t on the conn ecting c able of the ba ttery pa ck . 왘 HMEC 35 0 and H ME C 45 0 h ead set s: Connec t the ¼” (6. 35 mm) ster eo jac k plug fo r the he a dph o nes an d the P J -0 68 j ack p lug fo r th ...
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Sennheiser SH350 - page 18
18 3. Connec ting the he adset via a cigar ette lighter a dapte r cable (exce pt H MEC 352 , HM EC 35 5 and H M EC 35 6) Sen nheiser offers s pecial adapter cables with XLR-3 s ocket for connect ing the N oiseGard™ electronics of the HMEC 350, HMEC 355-C, HMEC 372, HMEC 450 and HMDC 372 heads ets to the on -bo ard pow er supp ly via the ciga rett ...
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Sennheiser SH350 - page 19
19 Preparing th e head sets for use Adjusti ng the headband F or good noise atten uation and be st possible comfort, the headband has t o be adjusted to p roperly fit y our head: 왘 Wear the he a d se t s o th a t th e he a db an d ru ns o ver th e to p of y our h ead . 왘 Adjust the length of the headband so that • you r ears ar e comp l ete l ...
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Sennheiser SH350 - page 20
20 Positionin g the microphon e Relocat ing the mi croph one boom The microp hone boom ca n be worn on either si de of t he mouth. 왘 Lo os en th e q uick -fix in g de vice . 왘 Rota te t he mic rophone boom by 1 80°. 왘 Tig h t en th e qu ic k -f ix i ng d evi ce. Posi tioning the mi croph one towa rds the corner of the mout h Th e H ME C 3 50 ...
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Sennheiser SH350 - page 21
21 F or positioning the microphone of the HMDC 372 headset, proceed as follows: 왘 Adju st the lengt h of the m icroph one boom so tha t t he micr ophone is pl a ce d at the c o r n e r o f t h e m o u t h . T o d o s o , l o o s e n t h e q u i c k - f i x i n g d e v i c e a n d a d j u s t t h e mic rophone boom i n length. 왘 Pu ll the m iddl ...
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Sennheiser SH350 - page 22
22 Using the headsets T ur ning No iseGar d™ on /off Wit h th e Noise Gard™ a ctive noise compen sati on turn ed o ff, the h eadset ca n be use d as a c on ve nt i on al hea dse t. T urn on t he Noise G ard™ a ctive noise compensat ion by sett i n g the O N /OFF s wit c h to “ON”. Whe n usi ng the BP-0 4 ba tt ery p ack , set t he N oiseG ...
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Sennheiser SH350 - page 23
23 Atta c hing the cable clip The he adpho ne cable ca n be fi xed by means of the c able cli p. Guide the headphone cable thr ou g h the m e ta l ca bl e cl ip a s s how n i n th e il lus t r ati on o n th e l eft. At tac h t h e cab l e clip to yo ur clo th in g a nd th e n lo op th e c a bl e thr o ug h t h e cli p so t h at th e h ead p hon e c ...
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Sennheiser SH350 - page 24
24 Spare parts The follo wing spare parts are available from your Sennheiser agent : • Wind scre en f or MKE 45- 1 Cat. No. 075 823 • Ear cushions for all variants except HMEC 450 Cat. No. 077966 • Ear cu shion s for HMEC 450 Ca t. No. 08576 4 • Soft ear cush ion s for HMEC 450 Ca t. No. 089 382 • He adband paddi ng Cat. No. 0 86628 • M ...
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Sennheiser SH350 - page 25
25 Rep lac ing t he he adba nd pad ding Repl ace th e hea dband p adding i f it is da maged. 왘 Pull the Ziploc type fastening strips of the headband padding apar t and remove the worn h e adband p adding. 왘 Pu t th e new h eadband p a ddin g around th e headba nd. 왘 Pu ll the t wo edges of the headband padding togeth er so tha t the f a st en ...
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Sennheiser SH350 - page 26
26 V aluable in f ormatio n on NoiseG a rd™ The NoiseGard™ principle One of the great est stres s f actors t o day is noi se. Researc h has show n that nois e affects the nervo u s system, and c an cau se tire dn ess, po or concent r ati on, irri ta bilit y and tensi on. Of even greater concern is t he permanent damage to heari ng that can resu ...
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Sennheiser SH350 - page 27
27 NoiseG ard™ ac tive n oise comp ensat ion is ach ieved by generat ing a sign al ide ntical in sou nd pres su r e leve l but exa ct ly re ver se d in p ha s e to t he n oi se s ign al , th e eff ect bein g that the ou t-of-phase signal cancels most of the noi se signal. Active no ise co mpen satio n is acc o mplishe d in t he f ollow ing man ne ...
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Sennheiser SH350 - page 28
28 In case of di ff ic ul ty If problems occur that are not listed in t he below table, plea se contact y our Sennheiser ag ent . Proble m Poss i ble c ause and what to do Clear c ommunicat ion but no a cti v e n oi se co m p e ns atio n The NoiseG ard™ el ectro nics are t urne d of f. 왘 Check to see if the ON/OFF switch is set to “ON”. The ...
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Sennheiser SH350 - page 29
29 Problem Possi bl e cause a nd what to do Activ e noi se compe nsa tion but very low volume c ommunication The volume control is set t oo low. 왘 Chec k the vo lu m e se tting of the head se t. Th e hea dph on e con nec tion has bee n pu lled ou t (e xcept HME C 35 5, H MEC 355 -C an d HME C 35 6) . 왘 Ch eck to see if t he hea dph one ja ck pl ...
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Sennheiser SH350 - page 30
30 Te c h n i c a l d a t a HM E C 35 0 HMEC 352 HMEC 356 HMEC 450 Headphone s T rans ducer principle dynam ic Ear cou pling circumaur al, closed Fre q uen cy respons e 45–15, 000 Hz Nomin al imped ance ac tive/pas s ive 300/ 150 Ω , mo no 600/ 300 Ω , st er eo Atten uation (ac tiv e and pas sive) > 25– 40 dB Max. s ound pre ...
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Sennheiser SH350 - page 31
31 HMEC 350 HMEC 352 HMEC 356 HMEC 45 0 Gen er al d at a Connecti ng cabl e 1.5 m , un ilateral Weigh t w i tho ut c abl e 370 g Power supply for NoiseGard™ 12–35 V DC Curre n t co nsum ption 27 m A (ze ro sig nal cu rr ent), m ax. 80 mA Fu se 5 00 m A the rmo f us e Con nect or s 6 .35 mm ste reo j ack pl ug 6.35 mm stereo ja c ...
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Sennheiser SH350 - page 32
32 Te c h n i c a l d a t a HM E C 35 5 HMEC 3 55- C HMEC 372 HMDC 372 Headphone s T rans ducer principle dynam ic Ear cou pling circumaur al, closed Fre q uen cy respons e 45–15, 000 Hz Nomin al imped ance ac tive/pas s ive 300/ 150 Ω , mo no 50 /35 Ω , m ono Atten uation (ac tiv e and pas sive) > 25– 40 dB Max. s ound p ...
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Sennheiser SH350 - page 33
33 HMEC 355 HM EC 3 55-C HMEC 372 HMD C 372 Gen er al d at a Connecti ng cabl e 1.5 m , un ilateral coiled cab le, unilat e ral Weigh t w i tho ut c abl e 370 g Power supply for NoiseGard™ 12–35 V DC Curre n t co nsum ption 27 m A (ze ro sig nal cu rr ent), m ax. 80 mA Fu se 5 00 m A the rmo f us e Conne c tors XLR-5 for head ph ...
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Sennheiser SH350 - page 34
34 Certif icat e of Co nfor mity Se nnhe ise r ele ctr oni c GmbH & Co. KG d e clar e tha t t hes e de vice s con f orm to th e bas ic requ irem ents of EEC Dire cti ve 89 /3 36/EE C an d 73 /2 3/E EC . Guaran tee Cert ificat e Th e guar a ntee period fo r this Sen nheise r product i s 5 year s from the date of pu rchase. E xclu ded are ac cess ...
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Sennheiser SH350 - page 35
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Sennheiser SH350 - page 36
Se nnheis er e lec tron ic GmbH & Co. K G 30900 W ede ma rk, Ge rman y Pho ne +4 9 ( 5130) 600 0 Fax +49 (5 130 ) 600 3 00 www. se nnhe is er.c om Printed in Germany Publ. 04/05 512743 / A04 ...
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