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Manuel d’utilisation Sennheiser HMEC 250

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Summary
  • Sennheiser HMEC 250 - page 1

    HMEC 250 Headset for general aviation Instruction manual ...

  • Sennheiser HMEC 250 - page 2

    1 Contents Important safety instructions ..... ...... .............. .............. ............ 2 Delivery includes ....................... .............. .............. .............. ......... 4 The HMEC 250 headset ............ .............. .............. ................. ...... 5 Operating elements ....................... .............. ... ...

  • Sennheiser HMEC 250 - page 3

    2 Important safety instructions • Please read this instruction manual careful ly and completely before usin g the headset. • Make these this instruction manu al easily accessible to all users at all times. Always include this instruction manual when pa ssing the headset on to third parties. • During flight operation, do not use the headset fo ...

  • Sennheiser HMEC 250 - page 4

    3 Safety instructions for batteries If abused or misused, batter ies m ay leak and, in extreme cases, may even present an explosion and fire hazard. Sennheiser does not accept any liability for damage arising from abuse or misuse. Keep batteries out of reach of children. Observe correct polarity. Do not heat or throw into fi re. Switch off battery ...

  • Sennheiser HMEC 250 - page 5

    4 Intended use of the headset Intended use includes: • havin g read this instruction manual, especia lly the chapter “Important safety instructions” on page 2, • using the headset withi n the operating conditio ns and limitations de scribed in this instruction manual. “Improper use” means usin g the headset other than as described in th ...

  • Sennheiser HMEC 250 - page 6

    5 The HMEC 250 headset The HMEC 250 headset with Noi seGard 2.0 active noise compensation features closed, dynamic, circumaural stereo headphones. The HMEC 250 is a headset for general aviation use. NoiseGard 2.0 TM The NoiseGard 2.0 active noise compensation system is based on the principle of canc elling out so und using “anti- sound” (phase- ...

  • Sennheiser HMEC 250 - page 7

    6 Additional features • Outstanding tran smission quality for clear communi - cations • Good passive attenuation of ambient noise • Foldable design for space-saving stor age and transpor - tation • Noise-compensating boom m icrophone ensures excellent speech transmission • Flexible microphone bo om • Separate lef t and right channel vol ...

  • Sennheiser HMEC 250 - page 8

    7 Operating elements Headset  Microphone sensitivity contro l  Headset c able  Microphone boom  Ear pads, erg onomic  Headband  Battery compartment (on both sides) Operating control integrated in the headset  TT VOLUME + button (Talk Through)  ON/OFF button (Noi seGard)  TT VOLUME – button (Talk Through)  TALK THROUG ...

  • Sennheiser HMEC 250 - page 9

    8 LED indications Meanings of the LED  : Putting the headset into operation Inserting the batte ries Insert the batteries into the battery compartments on the left and right ea r cups as follows: 왘 Open the battery compartment by pushing the catch and open the cover. 왘 Insert the AAA size battery as shown. 왘 Close the battery compartment . ...

  • Sennheiser HMEC 250 - page 10

    9 Connecting a mobile telephone The 2.5 mm jack socket allows you to connect a mobile telephone. For this purpose, the NoiseGard active noise compensation must be switch ed on and the microphone connector must be connected to the aircraft intercom. A suitable adapter for your mo bile telephone with 2.5 mm jack socket is available from your speciali ...

  • Sennheiser HMEC 250 - page 11

    10 Connecting an additio nal audio player The 3.5 mm jack socket allows you to connect an additional audi o play er (e.g. MP3 player) . 왘 Connect the audio cable to the 3.5 mm jack socket on the operating control and to the corresponding jack socket on your audio player. 왘 Switch NoiseGard on (see “Switching NoiseGard on/off” on page 15). A ...

  • Sennheiser HMEC 250 - page 12

    11 Adjusting the mi crop hone sensitivity The microphone sensitivity has been factory preset to 80 mV/Pa. T o change the input sensit ivity of the microphone : 왘 Use a suitable s lotted screwdriver. 왘 T urn the microphone s ensitivity control as shown. Switching between mono and stereo mode The mono/stereo switch  allows you to switch bet we ...

  • Sennheiser HMEC 250 - page 13

    12 Using the headset Attaching the cable clip The cable clip  allows you to attach the headset cable  to your clothing so that the cabl e doesn’t hinder or distract you. Guide the headset cable  through the cable clip  as shown. Attach the cable clip  to y our clothing. Adjusting the headset W ear the headset so that – the microp ...

  • Sennheiser HMEC 250 - page 14

    13 Adjusting the mi crophone boom Bend the microphone boom  so th at th e mi c ro pho ne is placed at the c orner of the mouth. Maintain a distance of approx. 2 cm between micr ophone and mouth. Adjusting the volume You can adjust the volume dire ctly on the intercom or via the operating control integ rat ed into the headset cable. To adjust the ...

  • Sennheiser HMEC 250 - page 15

    14 Switching the T alkThrough function on/off The HMEC 250 provides excellent attenuatio n of ambient noise. In order to allow yo u to communicate undistur bed with the people around y ou while wearing the head set, the HMEC 250 features a TalkThrough function. Press the T ALK THROUGH button  to switch the T alk Thro ug h function on or off. Whe ...

  • Sennheiser HMEC 250 - page 16

    15 Switching No iseGard on/off T o switch the NoiseGard active noise compensation on or off: Press the ON/OFF button  for approx. one second. When NoiseGard is switched on: –t h e L E D  lights up red and – you can listen to music and make teleph one calls at the same time . Fail safe ope ration When the batteries are comple tely discharg ...

  • Sennheiser HMEC 250 - page 17

    16 Replacing the batteries When the batteries are almost flat, the LED  flashes. When the batteries are completely discharged, NoiseGard automatically switches off (fail sa fe operation). Replace the batteries or the rechargeab le batteries as follows: Open the battery compartment  by pushing the catch and open the cover. Remove the battery. ...

  • Sennheiser HMEC 250 - page 18

    17 Folding up the headset For space-saving transportation , the headset can be folded up in different ways: T o fold up the headphones as flat as possible: Rotate the ear cups by 90° and turn the microphone boom flat as sho wn. T o fold up the headphones as compac t as possible: Fold the ear cups in as shown. For safe transportation o f the headse ...

  • Sennheiser HMEC 250 - page 19

    18 Care and maintenance Use a sof t, slightly damp cloth to clean the headset from time to time. Replacing t he ear pads You can replace the ear pads. Spare ear pads are available as accessories. Grasp the edge of the ear pad  and peel it up and away from the ear cup. CAUTION! Liquids can damage the electronics of the headset! Liquids entering t ...

  • Sennheiser HMEC 250 - page 20

    19 Attach the ear pad  so that the side with the thicker padding points downw ards as shown. Press the new ear pad  onto the ear cup until it clicks audibly into place. Repeat for the other ear cup. Replacing the wind shield You can replace the wind shield. The HMEC 250 is supplied with a spare wind shield. Carefully pull the wind shield  ...

  • Sennheiser HMEC 250 - page 21

    20 Specifications General data W eight without cable and without batteri es approx. 285 g T emperature range (operation ) − 10 to +55°C T emperature range (storage) − 55 to +55°C Power supply for NoiseGard 2 x 1.5 V AAA size battery or 2 x 1.2 V AAA size rechargeable battery Operating time approx. 30 hours Cable length 1.85 m Headphone connec ...

  • Sennheiser HMEC 250 - page 22

    21 Connector a ssignment Frequency response (headphones) 8–28,000 Hz Frequency response (T alkThrough) 300–5,000 Hz Nominal impedance passi ve 150 Ω mono/300 Ω stereo Nominal impedance active 600 Ω mono/1.200 Ω stereo Sound pressur e level passive 98 dB at 1 kHz, 1 V active 100 dB at 1 kHz, 1 V THD at 94 dB SPL < 1 % Noise attenuation 13 ...

  • Sennheiser HMEC 250 - page 23

    22 Manufacturer declarations Wa rr a n ty Sennheiser electronic GmbH & Co. KG gives a warranty of 36 months on this product. For the current warra nty conditions, please visit ou r website at www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Co nformity This equipment is in compliance with the essential requirements and o ...

  • Sennheiser HMEC 250 - page 24

    Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 W edemark, Germany www.sennheiser.com Printed in China, Publ. 05/10, 516578/A04 ...

Fabricant Sennheiser Catégorie Headphones

Les documents que nous recevons du fabricant de l'appareilSennheiser HMEC 250 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Sennheiser
- manuels d’utilisations HMEC 250
- fiches produit Sennheiser
- dépliants
- ou étiquettes-énergie Sennheiser HMEC 250
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Sennheiser HMEC 250.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Sennheiser HMEC 250, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Sennheiser HMEC 250. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Sennheiser HMEC 250.

Manuels d’utilsiation similaires

Manuel d’utilisation complet de l’appareil Sennheiser HMEC 250, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Sennheiser HMEC 250 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Sennheiser HMEC 250.

Le manuel d’utilisation complet Sennheiser, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Sennheiser HMEC 250 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Sennheiser HMEC 250, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lSennheiser HMEC 250 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Sennheiser HMEC 250 - qui devraient nous aider dans les premières étapes lors de l'utilisation Sennheiser HMEC 250
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Sennheiser HMEC 250
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Sennheiser HMEC 250 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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