Sennheiser 502399 Instruction Manual
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Sennheiser 502399 Instruction Manual

Sennheiser 502399 Instruction Manual

Sennheiser headphones instructions manual
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HMEC 26
Instruction manual

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Summary of Contents for Sennheiser 502399

  • Page 1 HMEC 26 Instruction manual...

  • Page 3: Safety Instructions

    Exposure to sounds of higher volume levels or for longer durations can permanently damage your hearing! Never repair or attempt to repair a defective headset yourself. Contact your Sennheiser agent or the Sennheiser Service Department.
  • Page 4 Sennheiser agent. Protect the headset from humidity. Use only a slightly damp cloth to clean the headset. For information on how to clean the headset, contact your Sennheiser agent. Intended use of the headset Intended use includes: •...
  • Page 5 The HMEC 26 headset The HMEC 26 headset with NoiseGard™ active noise compensation features dynamic, closed headphones. The noise-compensating condenser microphone ensures excellent speech environments. Designed for use in aircraft cockpits. Features NoiseGard™ active noise compensation reduces ambient noise by up to 18 dB – consequently the radio...

  • Page 6: Delivery Includes

    ETSO approval C57a/C58a Delivery includes 1 HMEC 26 headset 1 cable clip 1 wind and pop screen 1 instruction manual 1 carry bag 1 EASA Form 1 Operation Turning the microphone boom The microphone boom can be rotated. This allows the headset to be worn with the microphone boom positioned on either the left or right-hand side of the head.
  • Page 7 Putting on the headset When putting on the headset, the patented two-piece headband adjusts automatically. Positioning the microphone Bend the flexible microphone boom so that the micro- phone is placed at the corner of the mouth. Maintain a distance of approx. 2 cm between microphone and mouth. Always use the supplied wind and pop screen.
  • Page 8 Flipping away one earcup The headset features a “flip-away” earcup for single- sided listening. Adjusting the volume directly on the audio system Connect the headset to the corresponding sockets of your audio system. Adjust the volume directly on the audio system.
  • Page 9 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 by turning a small screwdriver in the direction of the arrow. –...
  • Page 10 The operating controls of the HMEC 26 Operating control Headset with operating control HMEC 26-BV-K HMEC 26-BV-KP HMEC 26-BV-CP HMEC 26-B-K HMEC 26-B-CP HMEC 26-V-KP HMEC 26-V-RP HMEC 26-V-CP HMEC 26-V-KX Volume controls NoiseGard™ ON/OFF switch Mono/stereo switch BOOM switch L/R 3.5 mm jack socket Battery compartment 2.5 mm jack socket...
  • Page 11 Operating control Headset with operating control HMEC 26-CP HMEC 26-KP HMEC 26-NP NoiseGard™ ON/OFF switch Operating element...

  • Page 12: Using The Headset

    Using the headset Switching NoiseGard™ on/off The NoiseGard™ ON/OFF switch the NoiseGard™ active noise compensation on or off. With NoiseGard™ switched off, the headset can be used as a conventional headset. Set the NoiseGard™ ON/OFF switch position: ON: NoiseGard™ is switched on. The LED indicating the battery charge status (see page 11) or power supply via the aircraft DC power supply system.
  • Page 13 Switching between mono and stereo mode The mono/stereo switch mono ( ) and stereo ( audio system. Set the mono/stereo switch position: mono ( ) or stereo ( Changing the left and right stereo channel The position “R” or “L” of the BOOM switch corresponds to the position of the microphone on the left or right side of the mouth.
  • Page 14 The operating time with batteries/rechargeable batteries is approx. 60 hours. With NoiseGard™ switched on (see page 10), the LED provides information on the remaining battery/ rechargeable battery capacity. lights up yellow: The battery capacity is lights up red: Activating the “auto shut-off” function The battery-saving “auto shut-off”...
  • Page 15 Switching the TalkThrough function on/off (HMEC 26-T only) The headset provides excellent attenuation of ambient noise. In order to allow you to communicate undisturbed with your surroundings while wearing the headset, the HMEC 26-T features a TalkThrough function. Press the TalkThrough button TalkThrough function on.
  • Page 16 A suitable adapter for your mobile telephone with 2.5 mm jack socket is available from your Sennheiser agent. Danger of accident due to reduced attention!
  • Page 17 Connecting an additional audio player The 3.5 mm jack socket listen to an audio player (not supplied) through the headset. For this purpose, the NoiseGard™ active noise compensation must be switched on. Danger of accident due to reduced attention! CAUTION! Listening to music or operating an audio device limits your attention and may cause accidents.

  • Page 18: Care And Maintenance

    Care and maintenance Cleaning the headset Use a soft, slightly damp cloth to clean the headset from time to time. If the headset is very dirty, use a cloth dampened with mild, soapy water. Do not use any solvents or cleansing agents. Danger of short-circuit due to the ingress of CAUTION! water!

  • Page 19: Accessories And Spare Parts

    Accessories and spare parts By changing the cables, you can simply retrofit different operating controls (see page 8 and 9) or connectors (see page 19) to your headset. Cable -CP Cable -V-CP Cable -B-CP Cable -BV-CP Cable -KP Cable -V-KP Cable -B-K Cable -BV-K Cable -BV-KP...
  • Page 20 Cable clip MZQ 2002 Cable clip HZC 08 Cable clips HZC 08 (for round cable only) Cat. No. 044740 Cat. No. 525787 MZQ 2002 (for round or flat cable)

  • Page 21: Product Variants

    HMEC 26-BV-CP 502400 026-35-999-2281 x x HMEC 26-KP 502403 026-35-999-3111 x HMEC 26-V-KP 502406 026-35-999-3161 x HMEC 26-B-K 502399 026-35-999-1191 x HMEC 26-BV-K 502401 026-35-999-1171 x HMEC 26-NP 502397 + 500855 026-35-999-3811 x HMEC 26-V-RP 502397 + 500853 026-35-999-3661 x...

  • Page 22: Specifications

    Specifications Headphones Transducer principle Ear coupling Frequency response Impedance Characteristic SPL Max. SPL Active noise compensation ≥ 18 dB (100 – 300 Hz) Contact pressure Microphone incl. preamplifier Type Transducer principle Frequency response Output voltage Terminating impedance Supply voltage dynamic, closed supra-aural 20–14,000 Hz...

  • Page 23: Connector Assignment

    General data Temperature range Weight without cable Power supply for NoiseGard™ Connector assignment HMEC 26-V-KX ¼" (6.3 mm) PJ-068 jack plug equivalent 1 2 3 Audio Hi left Audio Hi right Audio Lo operation: –15 °C to +55 °C storage: –55 °C to +70 °C approx.
  • Page 24 HMEC 26-CP, -V-CP, -B-CP, -BV-CP Solder side Audio Hi Audio Lo / DC– Microphone Hi Microphone Lo NoiseGard HMEC 26-NP Solder side 1 Audio Hi 2 Audio Lo 3 not assigned 4 Microphone Lo 5 Microphone Hi 6 not assigned 7 DC–...
  • Page 25 HMEC 26-KP, -V-KP, -BV-KP, -B-K, -BV-K 1/4" (6.3 mm) jack plug 1 2 3 HMEC 26-KP 1 Audio Hi 2 not assigned 3 Audio Lo / DC– HMEC 26-V-KP / -BV-KP 1 Audio Hi left 2 Audio Hi right 3 Audio Lo / DC– HMEC 26-B-K 1 Audio Hi 2 not assigned...

  • Page 26: Manufacturer Declarations

    Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 5 years on this product. For the current warranty conditions, please visit our web site at www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Conformity This equipment is in compliance with the essen- tial requirements and other relevant provisions of Directive 2004/108/EU.
  • Page 28 Sennheiser electronic GmbH & Co. KG Printed in Germany Am Labor 1, 30900 Wedemark, Germany Publ. 01/09 www.sennheiser.com 523983/A01...

This manual is also suitable for:

523983/a01Hmec 26Hmec 26 - 01-09

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