HMEC 2621 - Earphones SENNHEISER - Free user manual and instructions

USER MANUAL HMEC 2621 SENNHEISER

professional sind eingetragene Waren- zeichen der Sennheiser electronic GmbH & Co. KG. Andere in dieser Bedienungsanleitung erwähnte Produkt- und Firmennamen können Marken- oder Handelsnamen ihrer jeweiligen Inhaber sein. Europa EMC EN 55103-1/-2 ChinaENFR DE Important safety information HMEC 26-2 |1 Important safety information 왘 Please read this instruction manual carefully and completely before using the product. 왘 Always include this instruction manual when passing the product on to third parties. 왘 This instruction manual is also available on the Internet at www.sennheiser-aviation.com or www.sennheiser.com. Preventing health problems and accidents 왘 Always maintain a distance of at least 3.94“ (10 cm) between the ear cups and the cardiac pacemaker or implanted defibrillator since the product generates permanent magnetic fields. 왘 Keep product, accessory and packaging parts out of reach of chil- dren who could swallow smaller pieces. 왘 Switch the product off after use to conserve battery power. Remove the rechargeable batteries if the product will not be used for extended periods of time. 왘 If during flight operation you, as the pilot, operate your connected device using the headset, this can limit your attention. During flight operation, do not use the headset for making phone calls or listening to music. 왘 With the NoiseGard

noise compensation switched on, typical aircraft sounds (for example, those from engines, propellers, warning alarms, etc.) may sound different to you. Before operat- ing any aircraft, make sure that, with NoiseGard

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.Important safety information 2|HMEC 26-2 왘 The product is capable of producing sound pressure exceeding 85 dB(A). In many countries 85 dB(A) is the maximum legally per- missible level for continuous noise exposure during the working day. Do not listen at high volume levels for long periods of time to prevent hearing damage. Preventing damage to the product and dysfunctions 왘 Always keep the product dry and do not expose it to extreme temperatures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid corrosion or deformation. 왘 Only clean the product with a soft, dry cloth. 왘 Never repair or attempt to repair a defective product yourself. Contact your Sennheiser partner or the Sennheiser Service Department. 왘 Only replace parts of the product whose replacement is described in this instruction manual. All other parts of the product must be replaced by your Sennheiser partner. 왘 Only use attachments, accessories or spare parts specified by Sennheiser. Intended use Intended use of the product includes

• having read and understood this instruction manual, especially the chapter “Important safety information” on page 1,

• using the product within the operating conditions and limitations described in this instruction manual. “Improper use” means using the product other than as described in this instruction manual, or under operating conditions which differ from those described herein.ENFR DE The HMEC 26-2 headset HMEC 26-2 |3 The HMEC 26-2 headset The HMEC 26-2 headset with NoiseGard™ professional active noise compensation features dynamic, closed headphones. The noise- compensating condenser microphone ensures excellent speech transmission even in noisy environments. Designed for use in air- craft cockpits. Features

• NoiseGard™ active noise compensation reduces ambient noise by up to 18 dB – consequently the radio volume can be decreased

• Extremely comfortable to wear due to the patented two-piece automatic headband and soft ear pads

• Peak level protection (cannot be switched off) safeguards you from volume peaks above 110 dB

• “Flip-away” headphone allows single-sided listening

• Flexible microphone boom, can be worn on either left or right- hand side

• Noise-compensating condenser microphone ensures excellent speech transmission

• Single-sided cable, easy to replace

• NoiseGard™ can be switched off with most headset variants so that the headset can be used as a conventional headset (see “The control units of the HMEC 26-2” on page 8 and 9)

• Power supply for NoiseGard™ from aircraft DC power supply sys- tem (on suitably equipped aircraft) or batteries/rechargeable batteriesPackage contents 4|HMEC 26-2

• “Auto shut-off” extends battery life

• TalkThrough function (HMEC 26-2-T only)

• ETSO approval C139, FAA approval C139

• 5 year warranty Package contents 1 HMEC 26-2 headset 1 cable clip 1 wind and pop screen 1 pair of hygiene pads 1 audio cable with 3.5 mm jack plugs* 1 belt clip* 1carry bag* 1 instruction manual 1 EASA Form 1 for headset without cable 2 EASA Form 1 for headset with cable

• not supplied with all product variants (see page 21)ENFR DE Operation HMEC 26-2 |5 Operation Putting on the headset When putting on the headset, the patented two-piece head- band adjusts automatically. Flipping away one ear cup The headset features a “flip- away” ear cup for single-sided listening.Operation 6|HMEC 26-2 Positioning the microphone Bend the flexible microphone boom so that the microphone is placed at the corner of the mouth. Maintain a distance of 2 cm between microphone and mouth. Always use the supplied wind and pop screen. 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.ENFR DE Operation HMEC 26-2 |7 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. Adjusting the microphone sensitivity Turn a small screwdriver in the direction of the arrow to change the microphone sensitivity. CAUTION Hearing damage due to high volumes The headset is capable of producing high sound pressure levels. Higher volumes or longer durations can damage your hearing! 왘 Set the volume to a medium level. Make sure that you can hear critical environmental sounds and warning alarms.

–The control units of the HMEC 26-2 8|HMEC 26-2 The control units of the HMEC 26-2 Control unit I

5 MUTING ON/OFF switch 6 3.5 mm jack socket 7 Battery compartment Headset with control unit I Operating element

• available from October 2014 ** no longer available from serial number 002 000 00 2 LED 3 NoiseGard™ ON/OFF switch** B 3-position SPL switch* Headset with control unit II Operating element 2 3 B Cable -CP Cable -CP-2

2Using the headset 10 | HMEC 26-2 Using the headset The HMEC 26-2 is available in different variants which vary in fea- tures and functions. It is therefore possible that your headset does not have all of the functions described in the following chapter. Switching NoiseGard™ on/off The NoiseGard™ ON/OFF switch 3 allows you to switch the NoiseGard™ active noise compensation 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: Position Function ON NoiseGard™ is switched on. The LED 2 lights up, indicating the battery charge status (see page 12) or power supply via the aircraft DC power supply system. OFF NoiseGard™ is switched off. The LED 2 is off.ENFR DE Using the headset HMEC 26-2 |11 Adjusting the volume On the control unit I: 왘 Use the two slide volume controls 1 to adjust the volume for the left and right channel separately. On the control unit II: 왘 Use the 3-position SPL switch B to adjust a common volume for the left and right channel. 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. To move the mono/stereo switch 4, use a pointed tool. Muting connected devices If the MUTING OFF/ON switch 5 is set to the position ON, any audio and phone transmission is muted once ATC communications have been established. When the ATC conversation is over, the muting is automatically canceled. 왘 Set the NoiseGard™ ON/OFF switch to the position ON. CAUTION Hearing damage due to high volumes This headset is capable of producing high sound pressure levels. Higher volumes or longer durations can damage your hearing. 왘 Set the volume to a medium level. Make sure that you can hear critical environmental sounds and warning alarms.Using the headset 12 | HMEC 26-2 왘 Set the MUTING OFF/ON switch to the desired position to mute your connected devices or to cancel the muting: – OFF = muting is canceled – ON = muting is activated Changing the left and right stereo channel The position “R” or “L” of the BOOM switch corresponds to the posi- tion of the microphone on the left or right side of the mouth. When the microphone boom is rotated to permit left or right side micro- phone orientation, the BOOM switch allows you to correctly assign the audio channels (L/R) to the appropriate headphone sides. This enables the correct orientation of the volume controls and any ste- reo audio signals. Powering NoiseGard™ via (rechargeable) batteries 왘 Insert two 1.5 V AA alkaline batteries (IEC LR 6) or two 1.2 V AA rechargeable batteries (IEC LR 6). Observe correct polarity when inserting the batteries. The operating time with batteries/rechargeable batteries is approx. 60 hours. With NoiseGard™ switched on (see page 10), the LED 2 provides information on the remaining battery/ rechargeable battery capacity:ENFR DE Using the headset HMEC 26-2 |13 Activating the “auto shut-off” function The battery-saving “auto shut-off” function automatically switches the NoiseGard™ electronics off when the headset is disconnected from the audio system or when the aircraft avionics are switched off. The headset is delivered ex-works with the function deacti- vated. You can activate “auto shut-off” as follows: 왘 Set the switch to the position ASO. Switching the TalkThrough function on/off (HMEC 26-2-T only) The headset provides excellent attenuation of ambient noise. In or- der to allow you to communicate undisturbed with your surround- ings while wearing the headset, the HMEC 26-2-T features a Talk- Through function. With TalkThrough switched on, a separate microphone 9 picks up acoustic signals in the immediate vicinity. LED 2 Meaning lights up green The battery capacity is sufficient. lights up red The batteries are flat. Replace the batteries.Using the headset 14 | HMEC 26-2 Unwanted background noise is filtered out, only allowing the voice of the other person to pass through the headset. 왘 Press the buttonA, to switch the TalkThrough function on. The LED < lights up. 왘 Press the button again to switch TalkThrough off. Connecting a mobile telephone or an audio device TalkThrough can only be used when the NoiseGard™ active noise compensation is switched on

CAUTION Danger of accident due to reduced attention Making telephone calls, listening to music or operating the mobile telephone or audio device limits your attention and may cause accidents. 왘 During flight operation, do not use the headset for tele- phone calls or for listening to additional audio sources.

9ENFR DE Using the headset HMEC 26-2 |15 왘 Connect the audio cable to the 3.5 mm jack socket 6 on the con- trol unit I and to the corresponding jack socket on your mobile telephone or audio device. You can adjust the volume via the headset’s control unit (see page 11). However, the functions of the mobile telephone or audio device cannot be controlled via the headset’s control unit. 왘 Operate your mobile telephone or audio device as usual and observe the instructions of the manufacturer. The latest list of compatible mobile telephones is available on our website at www.sennheiser.com. Attaching the belt clip The belt clip allows you to attach the control unit to the seat belt so that the control unit doesn’t hinder you. CAUTION Hearing damage due to high volumes The headset is capable of producing high sound pressure levels. Higher volumes or longer durations can damage your hearing! 왘 Set the volume to a medium level. Make sure that you can hear critical environmental sounds and warning alarms.Using the headset 16 | HMEC 26-2 왘 Make sure not to squeeze any connection cable. Attaching the cable clip The cable clip allows you to attach the headphone cable to your clothing so that the cable doesn’t hinder or distract you. 왘 Loop the cable through the clip so that the headphone cable doesn‘t hinder you.ENFR DE Care and maintenance HMEC 26-2 |17 Care and maintenance Cleaning and maintaining the headset 왘 Before cleaning, pull out the plugs of the product from the con- nections in the aircraft. 왘 Only use a soft, dry cloth to clean the product. Replacing the ear pads For reasons of hygiene, you should replace the ear pads annually. 왘 Grasp the edge of the ear pad and pull sharply. 왘 Attach the new ear pad to the ear cup by pressing firmly around the ear pad until you hear all 12 latches lock into place. NOTICE Liquids can damage the product Liquids entering the product can short-circuit the electronics or damage the mechanics. Solvents or cleansing agents can damage the surface of the product. 왘 Keep all liquids far away from the product.Care and maintenance 18 | HMEC 26-2 Replacing the headband paddings For reasons of hygiene, you should replace the headband paddings annually. 왘 Pull the Ziploc type fastening strips of the old headband paddings apart. If necessary, use a pointed tool. 왘 Put the new headband paddings around the headbands. 왘 Attach the new headband paddings by joining the fastenings strips.ENFR DE Accessories and spare parts HMEC 26-2 |19 Accessories and spare parts By changing the cables, you can simply retrofit different control units (see page 8 and page 9) or connectors (see page 21) to your headset. Accessories

• Wind and pop screen, 1 item

• Wind and pop screen, any number of items

• Cable clip HZC 08 (for round cables)ENFR DE Product and cable variants HMEC 26-2 |21 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 Headphones with +6 dB characteristic SPL 2 Microphone BKE 46 with 80 mV/Pa output voltage 3 Microphone BKE 46-1 with 60 mV/Pa output voltage 4 Single-sided round cable, length approx. 1.65 m 5 XLR-5 connector 6 ¼“ (6.3 mm) jack plug (headphones) 7 PJ-068 equivalent (microphone) 8 8-pin Neutricon connector 9 6-pin Redel connector < XLR-6 connector A XLR-3 connector B Aircraft powered C Battery powered D Control unit I (see page 8) E Control unit II (see page 9) F Audio cable (with 3.5 mm jack plugs) G Belt clip H Carry bagProduct and cable variants 22 | HMEC 26-2

Each -2-1 model is also available as a -2-T model (headphones with +6 dB characteristic SPL). Variant Cat. No. Part Number

Transducer principle pre-polarized condenser microphone, noise-compensating Frequency response 100 to 6,000 Hz Output voltage adjustable from 17 to 100 mV/Pa BKE 46:80mV/Pa –2dB factory preset

2dB at 114dB SPL BKE 46-1 :60 mV/Pa ±1 dB factory preset

600 mV ±1 dB at 114 dB SPL Terminating impedance 150 to 2,200 Ω Supply voltage 8 to 16 V DC General data Temperature range operation: –15 °C to 55 °C storage: –55 °C to 70 °C Weight without cable approx. 210 g Cable length approx. 1.65 m Power supply for NoiseGard™ professional via AA size battery (IEC LR 6) with approx. 60 hrs operating time: 2 x 1.5 V alkaline battery 2 x 1.2 V rechargeable battery via aircraft DC power supply system: 12 to 35 V DC , max. 35 mAConnector assignment 26 | HMEC 26-2 Connector assignment Cable -V-KX-2 Cable -CP, -CP-2, -CP-3, -B-CP-2, -BV-CP-2 Cable -NP PJ-068 equivalent ¼" (6.3 mm) jack plug XLR-3 connector (solder side)

not assigned Microphone Hi Microphone Lo

¼" (6.3 mm) jack plug PJ-068 equivalent12 3 12 3Manufacturer Declarations 28 | HMEC 26-2 Manufacturer Declarations Warranty Sennheiser GmbH & Co. KG gives a warranty of 5 years on this prod- uct. For the current warranty conditions, please visit our website at www.sennheiser-aviation.com or www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Conformity

• RoHS Directive (2011/65/EU)

• EMC Directive (2004/108/EC) The declaration is available at www.sennheiser.com. In compliance with Trademarks Sennheiser and NoiseGard

• Directive RoHS (2011/65/UE)