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Sennheiser HMEC 26 manual

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Table of contents for the manual

  • Page 1

    Instruction m anual HMEC 26[...]

  • Page 2

    [...]

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    1 Safety instructions y Please read these inst ructions carefully and completely before us ing the headset. y Make these instructions easi ly accessible to al l users at all times. y Always include these instru ctions when passing the headset on to third parti es. y During flight operat ion, do not use the headset for telephone calls. y With the No[...]

  • Page 4

    2 y Only replace those parts of the headset whose replacement is d escribed in th is manual. All other p a r t s o f t h e h e a d s e t m u s t b e r e p l a c e d b y y o u r Sennheiser agent. y Protect the headset fr om hu midity. Use only a slightly damp cloth to clean the headset. For information on how to clean the headset, contact yo ur Senn[...]

  • Page 5

    3 The HMEC 26 headset The HMEC 26 headset with NoiseGard™ active noise compensation features dynami c, closed headphones. The noise-compensating condenser m icrophone ensures excellent speech transmission ev en in noisy environments. Designed for use in aircraft cockpits. Featur es y NoiseGard™ active noise compensatio n reduces ambient noise b[...]

  • Page 6

    4 y ETSO approval C57a/C58a Delivery includes y 1 HMEC 26 headset y 1 cable clip y 1 wind and pop screen y 1 instruction manual y 1 carry bag y 1 EASA Form 1 Operation T urning t he microphone boom T h e m i c r o p h o n e b o o m c a n b e r o t a t e d . T h i s a l l o w s t h e headset to be worn with the microphone boom positioned on either t[...]

  • Page 7

    5 Putting on the headset When putting on the headse t, the patented two-piece headband adjust s au tomatically. Positioning the microphone Bend the flexible microphone boom so that the micro- p h o n e i s p l a c e d a t t h e c o r n e r o f t h e m o u t h . M a i n t a i n a distance of approx. 2 cm between microphone and mouth. Always use the [...]

  • Page 8

    6 Flipping away one earcu p The headset features a “fl ip-away” earcup for single- sided listening. Adjusting the volum e directly on the audio system Connect the headset to the co rresponding sockets of your audio system. Ad just the volume directl y on the audio system. Hearing damage due to high volumes! This headset is capable of produc ing[...]

  • Page 9

    7 Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to 80 mV/Pa as per RTCA DO-214. You can change the microphone sensitivity b y turning a small scr ewdriver in the direction of the arrow. + –[...]

  • Page 10

    8 The operating controls of the HMEC 26 Operating control I  Volume co ntrols  LED  NoiseGard™ ON/OFF switch  Mono/stereo switch  BOOM switch L/R  3.5 mm jack socket  Battery compartment  2.5 mm jack socket Headset with operating control I Operating element  H M E C 2 6 - B V - K xxxxxxxx H M E C 2 [...]

  • Page 11

    9 Operating con trol II  LED  NoiseGard™ ON/OFF switch Headset with operating control II Operating element  HMEC 26-CP x x HMEC 26-KP x x HMEC 26-NP x x  [...]

  • Page 12

    10 Using the headset Switching N oiseGard™ on/o ff The NoiseGard™ ON/OFF switch  allow s you to swit ch the NoiseGard™ active noise compe nsation on or off. With NoiseGard™ switched off, th e headset ca n be used as a conventional headset. 왘 Set the NoiseGard™ ON/OFF switch  to the desired position: ON: NoiseGard™ is switched on[...]

  • Page 13

    11 Switching between mo no and stereo mode The mono/stere o switch  allows you to switch between mono (  ) and stereo (   ) mode, depending on the audio system. 왘 Set the mono/stereo switch  to the desired position: mono (  ) or stereo (   ). Changing the le f t and right s tereo channel The position “R” or “L” of [...]

  • Page 14

    12 The operating time with batt eries/rechargeable batteries is approx. 60 hours. With NoiseGard™ switched on (see page 10), the LED  provides information on the remaining battery/ rechargeable battery capacity. LED  ligh ts up yell ow: The batte ry capacit y is sufficient. LED  lights up red: The batteries are flat . Replace the batteri[...]

  • Page 15

    13 Switching the TalkThrough function on/off (HMEC 26-T only) The headset provides excell ent attenuation of ambient noise. In order to allow you to commu nicate undisturbed with your surroundings while wear ing the headset, the HMEC 26-T features a Ta lkThrough function. 왘 Press the T alkThr ough button  to switch the T a lkThrough function o[...]

  • Page 16

    14 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 swit ched on and the microphone connector must be connected to the aircraft radio/audio. A suitable adapte r for your mobile telephone with 2.5 mm jack socket is avai lable from y[...]

  • Page 17

    15 Connecting an additional audio pl ayer The 3.5 mm jack socket  allows you to connect and listen to an audio player (not supplied) through the headset. For this purpose, the Noise Gard™ acti ve noise compensation must be switched on. 왘 Connect the audio cable to the 3.5 mm jack socket  on the operating control I and to the corresponding[...]

  • Page 18

    16 Care and maintenance Cleaning the headset Use a sof t, slightly damp cloth to clean the headset from time to time. If the headset is very dirty, use a cloth dampened with mild, soa py water. Do not u se any solvents or cleansing agents. Replacing the earpads For reasons of hygiene, the earpads should be rep laced from time to time. 왘 Grasp the[...]

  • Page 19

    17 Accessories and spare part s By changing the cables, you ca n simply retrofit different operating controls (see page 8 and 9) or connectors (see page 19) to your headse t. y Cable -CP Cat. No. 5008 52 y Cable -V-CP Cat. No. 5008 46 y Cable -B-CP Cat. No. 5008 37 y Cable -BV-CP Cat. No. 5008 38 y Cable -KP Cat. No. 5008 42 y Cable -V-KP Cat. No. [...]

  • Page 20

    18 y Cable clip MZQ 2002 Cat. No. 044740 y Cable clip HZC 08 Cat. No. 525787 Cable clips HZC 08 MZQ 2002 (for round or flat cable) (for round cable only)[...]

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    19 Product variants Model Cat. No. Part Number  HMEC 26* 502397 026-35 HMEC 26-T* 502404 026-C5 HMEC 26-CP 502402 026-35-999-3211 x x x x HMEC 26-V-CP 502405 026-35-999-3251 x x x x HMEC 26-B-CP 5 02398 026-35-999-2291 xx xxx HMEC 26-BV-CP 502400 026-35-999-2281 xx xxx HMEC 26-KP 502403 026-35-999-3111 x x x x x HME[...]

  • Page 22

    20 Specifications Headphones Transducer principle dynamic, closed Ear coupling supra-aural Frequency response 20–14,000 Hz Impedance 600 Ω mono/1.2 00 Ω stereo Characte ristic SP L 92 dB SPL at 1 kHz, 1 mW, mon o 95 dB SPL at 1 kHz, 1 V Max. SPL 120 dB SPL at 1 kHz Active noise compensation ≥ 18 dB (100 – 300 Hz) THD < 1 % at 1 kHz, 95[...]

  • Page 23

    21 General da ta Temperature range operation: –15 °C to +55 °C storage: –55 °C to +70 °C Weight without cable approx. 210 g Power supply for 2x 1.5 V AA alkaline battery NoiseGard ™ (IEC LR 6) or 2x 1.2 V AA rechargeable battery (I EC LR 6) with approx. 60 hrs operating time or 12–35 V DC via aircraft DC power supply system (on suitably[...]

  • Page 24

    22 HMEC 26-CP , -V-CP , -B-CP , -BV-CP HMEC 26-NP HMEC 26-V-RP Solder side 1 2 3 Audio Hi Audio Lo / DC– Microphone Hi 4 5 1 2 3 4 5 Microphone Lo NoiseGard TM (DC+) Solder side 1 Audio Hi 2 Audio Lo 3 not assigned 4 Microphone Lo 5 Microphone Hi 6 not assigned 7 DC– 8 NoiseGard TM (DC+) Solder side 1 NoiseGard TM (DC+) 2 Audio Lo / DC– 3 Aud[...]

  • Page 25

    23 HMEC 26-KP, -V-KP, -BV-KP, -B-K, -BV-K HMEC 26-KP 1 Audio Hi 1 NoiseGard™ (DC+) 2 not assigned 2 Microphone Hi 3 Audio Lo / DC– 3 Microphone Lo HMEC 26-V-KP / -BV-KP 1 Audio Hi l eft 1 NoiseGard™ (DC+) 2 Audio Hi right 2 Microphone Hi 3 Audio Lo / DC– 3 Microphone Lo / DC– HMEC 26-B-K 1 Audio Hi 1 not assigned 2 not assigned 2 Micropho[...]

  • Page 26

    24 Manufacturer Declarations W arranty Sennheiser electronic GmbH & Co. KG gives a warranty of 5 years on this product. For the current warr anty conditions, please visi t our web site at www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Conformity This equipment is in com pliance with the essen- tial requirements and oth[...]

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    Sennheiser electronic GmbH & Co. KG Printed in Germany Am Labor 1, 30900 W edemark, Germany Publ. 01/09 www.sennheiser.com 523983/A01[...]