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Book_51xxxx_1106_SP6.book Seite 1 Mittwoch, 13. Juni 2007 3:07 15
HMEC 46
Bedienungsanleitung
Instructions for use
Notice d’emploi
Istruzioni per l’uso
Instrucciones para el uso
Gebruiksaanwijzing
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Book_51xxxx_1106_SP6.book Seite 2 Mittwoch, 13. Juni 2007 3:07 15
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Book_51xxxx_1106_SP6.book Seite 1 Mittwoch, 13. Juni 2007 3:07 15 Safety instructions Please read these instructions carefully and completely before using the headset. Make these instructions easily accessible to all users at all times. Always include these instructions when passing the headset on to third parties. During flight operation, do not use the headset for telephone calls. With the NoiseGard™ active noise compensation switched on, typical aircraft sounds (for example, those fro
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Book_51xxxx_1106_SP6.book Seite 2 Mittwoch, 13. Juni 2007 3:07 15 Only replace those parts of the headset whose replacement is described in this manual. All other parts of the headset must be replaced by your 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: • having read these instructions especially the chapt
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Book_51xxxx_1106_SP6.book Seite 3 Mittwoch, 13. Juni 2007 3:07 15 The HMEC 46 headset The HMEC 46 headset with NoiseGard™ active noise com- pensation features dynamic, open headphones. The noise-compensating condenser microphone ensures ex- cellent speech transmission even in noisy environments. Designed for use in aircraft cockpits. Features NoiseGard™ active noise compensation reduces ambi- ent noise by approx. 10 dB – consequently the radio volume can be decreased Extremely lightweight
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Book_51xxxx_1106_SP6.book Seite 4 Mittwoch, 13. Juni 2007 3:07 15 Delivery includes HMEC 46 headset Cable clip Wind and pop screen Instructions for use Carry bag 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. 4
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Book_51xxxx_1106_SP6.book Seite 5 Mittwoch, 13. Juni 2007 3:07 15 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. 5
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Book_51xxxx_1106_SP6.book Seite 6 Mittwoch, 13. Juni 2007 3:07 15 Flipping away one earcup The headset features a “flip-away” earcup for single- sided listening. Adjusting the volume directly on the intercom Connect the headset to the corresponding sockets of your intercom. Adjust the volume directly on the intercom. CAUTION! Hearing damage due to high volumes! This headset is capable of producing high sound pressure levels. Higher volumes or lon- ger durations can damage your hearing! Set t
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Book_51xxxx_1106_SP6.book Seite 7 Mittwoch, 13. Juni 2007 3:07 15 Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to 40mV/Pa as per RTCA DO-214. You can change the microphone sensitivity by turning a small screwdriver in the direction of the arrow. + – 7
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Book_51xxxx_1106_SP6.book Seite 8 Mittwoch, 13. Juni 2007 3:07 15 The operating controls of the HMEC 46 Operating control I Volume controls 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 element operating control I HMEC 46-BV-K xxxx xxx x HMEC 46-BV-CP x x x x x HMEC 46-B-K x x x HMEC 46-B-CP x x x HMEC 46-V-KP xxxx x HMEC 46-V-RP xxxx
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Book_51xxxx_1106_SP6.book Seite 9 Mittwoch, 13. Juni 2007 3:07 15 Operating control II LED NoiseGard™ ON/OFF switch Headset with Operating element operating control II HMEC 46-CP x x HMEC 46-KP x x HMEC 46-NP x x 9
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Book_51xxxx_1106_SP6.book Seite 10 Mittwoch, 13. Juni 2007 3:07 15 Using the headset Switching NoiseGard™ on/off The NoiseGard™ ON/OFF switch 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. Set the NoiseGard™ ON/OFF switch to the desired position: ON: NoiseGard™ is switched on. The LED lights up, indicating the battery charge status (see page11) or power supply via the aircraft D
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Book_51xxxx_1106_SP6.book Seite 11 Mittwoch, 13. Juni 2007 3:07 15 Switching between mono and stereo mode The mono/stereo switch allows you to switch between mono ( ) and stereo( ) mode, depending on the intercom system. Set the mono/stereo switch to the desired position: mono ( ) or stereo ( ). Changing the left and right stereo channel The position “R” or “L” of the BOOM switch corre- sponds to the position of the microphone on the left or right side of the mouth. When the micr
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Book_51xxxx_1106_SP6.book Seite 12 Mittwoch, 13. Juni 2007 3:07 15 The operating time with batteries/rechargeable batteries is approx. 100 hours. With NoiseGard™ switched on (see page 10), the LED provides information on the remaining battery/ rechargeable battery capacity. LED lights up yellow: The battery capacity is sufficient. LED lights up red: The batteries are flat. Replace the batteries. Activating the “auto shut-off” function The battery-saving “auto shut-off” function auto
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Book_51xxxx_1106_SP6.book Seite 13 Mittwoch, 13. Juni 2007 3:07 15 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 switched on and the microphone connector must be connected to the aircraft radio/ intercom. A suitable adapter for your mobile telephone with 2.5 mm jack socket is available from your Sennheiser agent. CAUTION! Danger of accident due to reduced attention! Making tel
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Book_51xxxx_1106_SP6.book Seite 14 Mittwoch, 13. Juni 2007 3:07 15 Connecting an additional audio player 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 NoiseGard™ active noise compensation must be switched on. CAUTION! Danger of accident due to reduced attention! Listening to music or operating an audio device limits your attention and may cause accidents. During flight operation, do not use the head- set
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Book_51xxxx_1106_SP6.book Seite 15 Mittwoch, 13. Juni 2007 3:07 15 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. CAUTION! Danger of short-circuit due to the ingress of water! Water entering the housing of the headset can cause a short-circuit and damage the electronics. Use only a slightly damp cloth to clean the headset. Do not use any solvents or cle
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Book_51xxxx_1106_SP6.book Seite 16 Mittwoch, 13. Juni 2007 3:07 15 Accessories and spare parts By changing the cables, you can simply retrofit different operating controls (see “The operating controls of the HMEC 46” on page 8 and 9) or connectors (see “Product variants” on page 17) to your headset. Cable -CP Cat. No. 500852 Cable -V-CP Cat. No. 500846 Cable -B-CP Cat. No. 500837 Cable -BV-CP Cat. No. 500838 Cable -KP Cat. No. 500842 Cable -V-KP Cat. No. 500848 Cable -B-K Cat. No. 5021
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Book_51xxxx_1106_SP6.book Seite 17 Mittwoch, 13. Juni 2007 3:07 15 Product variants Model Cat. No.
Part Number HMEC 46 500854 046-35 HMEC 46-CP 500472 xx x x 046-35-999-3211 HMEC 46-V-CP 500473 xx x x 046-35-999-3251 HMEC 46-B-CP 500478 x x xxx 046-35-999-2291 HMEC 46-BV-CP 500479 x x xxx 046-35-999-2281 HMEC 46-KP 500475 x xxxx 046-35-999-3111 HMEC 46-V-KP 500476 xxx x x 046-35-999-3161 HMEC 46-B-K 502180 xxx xx 046-35-999-1191 HMEC 46-BV-K 500477 xxx xx 046-35-999-1171 HMEC 46-
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Book_51xxxx_1106_SP6.book Seite 18 Mittwoch, 13. Juni 2007 3:07 15 Specifications Headphones Transducer principle dynamic, open Ear coupling supra-aural Frequency response 20–14,000 Hz Impedance 600 Ω / 1.200 Ω mono/stereo Characteristic SPL 93 dB SPL at 1 kHz, 1 mW, mono 95 dB SPL at 1 kHz, 1 V Active attenuation ≥ 10 dB (300–700 Hz) THD < 10 % at 110 dB SPL (300–3,000 Hz) Contact pressure approx. 3 N Microphone incl. preamplifier Type MKE 46 Transducer principle pre-polarized condenser m
