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Sennheiser HMEC 26-2 manual

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Table of contents for the manual

  • Page 1

    Instruction manual HMEC 26-2[...]

  • Page 2

    Important safety information HMEC 26-2 | 1 Important safety information 왘 Please read this i nstruction manual carefully and completely befo re using the product. 왘 Always include this instruction manual when passing the product on to third pa rties. 왘 This instruct ion manual is also availabl e on the Intern et at www.sennheiser-aviation.com[...]

  • Page 3

    Important safety information 2 | HMEC 26-2 NoiseGard TM switched on, you can hear and recognize these sounds. Set the volume to safe levels that do not interfere with your ability to hear informational sounds and warning alarms. 왘 The product is capable of producing sound pressure exceeding 85 dB(A). In many count ries 85 dB(A) is the maximum leg[...]

  • Page 4

    Important safety information HMEC 26-2 | 3 Intended use Intended use of the product includes • having read and und erstood this instructio n manual, especially the chapter “Importa n t s a fe ty in fo rm a ti on ” o n page 1, • using the product wi thin the operating conditions and limitations descri bed in this instru ction manual. “Impr[...]

  • Page 5

    The HMEC 26-2 headset 4 | HMEC 26-2 The HMEC 26-2 headset The HMEC 26-2 headset with NoiseGard™ profess ional active noise compensation features dynamic, closed headphones. The noise-compensating cond enser microphone ensures excellent speech transmission even in noisy environments. Designed for use in aircraf t cockpits. Fea tu re s •N o i s e[...]

  • Page 6

    Package contents HMEC 26-2 | 5 • With NoiseGard™ switched off, th e headset can be used as a conventional headset • Power supply for NoiseGard™ from aircraf t DC power supply system (on suitably equipped aircraft) or batteries/rechargeable batteries • “Auto shut-off” extends battery life • T alkThrough function (HMEC 26-2-T only) ?[...]

  • Page 7

    Operation 6 | HMEC 26-2 Operation Putting on the headset When putting on the headset, the patented two-piece headband adjusts automatically. Flipping away one earcup The headset features a “flip-away” earcup for single-sided listening.[...]

  • Page 8

    Operation HMEC 26-2 | 7 Positioning the mi crophone Bend the flexible microphone boom so that the microphone is placed at the corner of the mouth. Maintain a di stance of 2 cm between microphone and mouth. Alw ays use the supplied wind and pop screen. T urning the microphone boom The microphone boom can be rotated. This allows the headset to be wor[...]

  • Page 9

    Operation 8 | HMEC 26-2 Adjusting the volume direct ly on the audio system Connect the headset to the corresponding soc kets of your audio system. Adjust the volu me directly on the audio system. Adjusting the microph one sensitivity T urn a small screwdriver in the direction of the arrow to change the microphone sensitivity. CAUTION Hearing damage[...]

  • Page 10

    The control units of the HMEC 26-2 HMEC 26-2 | 9 The control units of the HMEC 26-2 Control unit I 1 Volume controls 2 LED 3 NoiseGard™ ON / OFF switch 4 Mono/stereo switch  /   5 BOOM switch L / R 6 3.5 mm jack socket 7 Battery compartment 8 2.5 mm jack socket Headse t with control unit I Operating element 12345678 Cable -BV-K-2 Cable -[...]

  • Page 11

    The control units of the HMEC 26-2 10 | HMEC 26-2 Control unit II 2 LED 3 NoiseGard™ ON / OFF switch Headset with control unit II Operating element 12345678 Cable -CP Cable -CP-2 Cable -KP Cable -KP-2 Cable -NP Cable -RP-2 Cable -DP-2[...]

  • Page 12

    Using the headset HMEC 26-2 | 11 Using the headset Switching Nois eGard™ on/off The NoiseGard™ ON / OFF switch 3 allows you to switch the NoiseGard™ active noise comp ensation on or off. With NoiseGard™ switched off, the headset can be used as a conventional headset. 왘 Set the NoiseGard™ ON / OFF switch 3 to the desired position: Positi[...]

  • Page 13

    Using the headset 12 | HMEC 26-2 Adjusting the volume The two slide volume controls 1 allow you to adjust the volume for the lef t and right channel separately. Switching between mono and stereo mode The mono/stereo switch 4 allows you to switch between mono (  ) and stereo (   ) mode, depending on the audio system. Changing the lef t and [...]

  • Page 14

    Using the headset HMEC 26-2 | 13 Poweri ng Nois eGard™ via tw o (rechargeable) batteries 왘 Insert two 1.5 V AA alk aline batteries (IEC LR 6) or two 1.2 V AA rechargeable batteries (IEC LR 6). Observe correct polarity when in serting the batteries. The operating time with batt eries/rechargeable batt eries is approx. 60 hours. With NoiseGard™[...]

  • Page 15

    Using the headset 14 | HMEC 26-2 왘 Set the switch to the positio n ASO . Switching the T alkThrough function on/off (HMEC 26-2-T only) The headse t provide s excell ent attenuation of ambient noise. In order to allow you to communicate undisturb ed with your surroundings whil e wearing the headset, the HMEC 26-2-T features a TalkThrough function.[...]

  • Page 16

    Using the headset HMEC 26-2 | 15 Connecting a mobile telephone The 2.5 mm jack socket 8 allows you to connect a mobil e telephone. For this purpose, the NoiseGard™ active noise compensation must be switch ed on and the m icrophone connector must be connected to th e aircraf t radio/audio. A suitable ad apter for you r mobile tele phone with 2.5 m[...]

  • Page 17

    Using the headset 16 | HMEC 26-2 왘 Connect the audio cable to the 2.5 mm jack socket 8 on the control unit I and to the corresponding jac k socket on your mobile telephone. You can adjust the volume of the mobile telephone via the headset’s contro l unit. However, the fu nctions of the mob ile telephone cannot be controll ed via the headset’s[...]

  • Page 18

    Using the headset HMEC 26-2 | 17 왘 Connect the audio cable to the 3.5 mm jack socket 6 on the control unit I and to the corresponding jack socket on your audio player. Attaching the belt clip The belt clip a llows you to atta ch the control un it to the seat belt so th at the cont rol unit d oesn’t hinder yo u. 왘 Make sure not to squeeze any [...]

  • Page 19

    Using the headset 18 | HMEC 26-2 Attaching the cable clip The cable clip allows you to attach the headphone cable to your clothing so that the cabl e doesn’t hinder or distr act you. 왘 Loop the cable through the cli p so that the headphone cable doesn‘t hinder you.[...]

  • Page 20

    Care and maintenance HMEC 26-2 | 19 Care and maintenance Cleaning and maintain ing the headset 왘 Before cleaning, pull out the plugs of the p roduct from the connections in the aircraf t. 왘 Only use a sof t , dry cloth to clean the product. Replacing the ear pads For reasons of hygiene, you should re place the ear pads annually. 왘 Grasp the e[...]

  • Page 21

    Care and main tenance 20 | HMEC 26-2 Replacing the headband paddings For reasons of hygiene, you should replace the headband paddings an nually. 왘 Pull the Ziploc ty pe fastenin g strips of the old headband paddings ap art. If necessary , use a pointed tool. 왘 Put the new headband paddings around the headba nds. 왘 Attach the new headband padd[...]

  • Page 22

    Accessories and spare parts HMEC 26-2 | 21 Accessories and spare parts By changing the cables, you ca n simply retrofit different control units (see page 9 and 10 ) or connectors (see page 23 ) to your headset . Accessories • Cable -CP Cat. No. 500852 •C a b l e -CP-2 Cat. No. 505684 •C a b l e -KP Cat. No. 500842 •C a b l e -KP-2 Cat. No. [...]

  • Page 23

    Accessories and spare parts 22 | HMEC 26-2 Spare parts • Audio cable, len gth 0.6 m, 2 x 3.5 mm stereo jack plug • Audio cable, len gth 0.6 m, 2 x 2.5 mm jack plu g • Ear pads, leatherette, 1 pair • Ear pads, leatherette, 100 pa irs • Wind and pop screen, 1 item • Wind and pop screen, any nu mber of items •C a r r y b a g • Headband[...]

  • Page 24

    Product and cable variants HMEC 26-2 | 23 Product and cable variants The following cables, connectors , control units and features are available for the HMEC 26-2 variants (see table on the following pages): 1 Headphhones with +6 dB charac teristic SPL 2 Microphone with 60 mV ou tput voltag e 3 Single-sided round cabl e, 1.7 m 4 XLR-5 con nector 5 [...]

  • Page 25

    Product and cable variants 24 | HMEC 26-2 * Each -2-1 model is also avai lable as a 2-T model (headphones with +6 dB characteristic SPL and microphone with 60 mV output voltage) Model Cat. No. Part Number HMEC 26-2 505671 026-35-2 HMEC 26-2-1 505672 026-30-2 HMEC 26-2-T 505680 026-C0-2 HMEC 26-2-CP 505676 026-35-2-999-3211 HMEC 26-2-1-CP-2 * 505677[...]

  • Page 26

    Product and cable variants HMEC 26-2 | 25 123456789<ABCDE FG These headsets can be combined with a ll cables (see page 21)[...]

  • Page 27

    Specifications 26 | HMEC 26-2 Specifications Headphones Transduce r principle dynami c, closed Ear cou pling supr a-aural Frequency response 20 - 14,000 Hz Impedance HMEC 26-2: 600 Ω mono/1,200 Ω stereo HMEC 26-2 with -2 cables: 350 Ω mono/600 Ω stereo Characteristic SPL HMEC 26-2: 92 dB SPL at 1 kHz, 1 mW, m ono 95 dB SPL at 1 kHz, 1 V HMEC 26[...]

  • Page 28

    Specifications HMEC 26-2 | 27 Microphon e incl. preamplifier Type HMEC 26-2: BKE 46 HMEC 26-2-1/T: BKE 46-1 Transducer principle pre-polar ized condenser micro phone, noise-compensating Frequency response 100 - 6,000 Hz Output voltage adjustable from 17-100 mV/Pa HMEC 26-2: 80 mV/Pa –2 dB factory preset : = 800 mV –2 dB at 114 dB SPL HMEC 26-2-[...]

  • Page 29

    Connector assignment 28 | HMEC 26-2 Connector assignment Cable -V-KX-2 Cable -CP , -CP-2, -B-CP-2 Cable -NP ¼" (6.3 mm) jack plug P J-068 equivalent 1 2 3 Audio Hi left Audio Hi right Audio Lo 1 2 3 not assigned Microphone Hi Microphone Lo 12 3 12 3 XLR-3 connector 1 2 3 NoiseGard TM (DC+) DC– not assigned 13 2 Solder side 1 2 3 Audio Hi Au[...]

  • Page 30

    Connector assignment HMEC 26-2 | 29 Cable -RP-2 Cable -DP-2 Cable -KP , -KP-2, -B-K-2 , -B-KP-2, -BV -K-2 Cable -KP / -KP-2 / - B-KP-2 1A u d i o H i 1 N o i s e G a r d ™ ( D C + ) 2 not assigned 2 Microphone Hi 3 Audio Lo / DC– 3 Microphone Lo Cable -B-K-2 1 Audio Hi 1 not assi gned 2 not assigned 2 Microphone Hi 3 Audio Lo 3 Microphone Lo Ca[...]

  • Page 31

    Manufacturer Declarations 30 | HMEC 26-2 Manufacturer Declarations W arranty Sennheiser GmbH & Co . KG gives a warranty of 5 yea rs on this product. For the current warranty conditions, please visit our website at www.sennheiser-avi ation.com or www.sennheiser.com or contac t your Sennheiser part ner. In compliance with the following requiremen[...]

  • Page 32

    Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany www.sennheiser-aviation.com | www.sennheiser.com Printed in Germany, Publ. 08/12, 548043/A01[...]