Instruction/ maintenance manual of the product HMEC 46 Sennheiser
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HMEC 46 Bedienungsanleitun g Instructions for use Notice d’emploi Istruzioni per l’uso Instrucciones para el uso Gebruiksaanwij zing Book_51xxxx_1 106_SP6.
Book_51xxxx_1 106_SP6.book Sei te 2 Mittwoch, 13. Juni 2007 3:07 15.
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.
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.
3 The HMEC 46 headset The HMEC 46 headset with No iseGard™ active noise co m- pensation features dynamic, open headphones. The noise-compensating condenser microphone ensures ex- cellent speech transmission even in noisy environments. Designed for use in ai rcraft cockpits.
4 Delivery includes y HMEC 46 headset y Cable clip y Wind and pop screen y Instructions for use y Carry bag y 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 .
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 .
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 intercom Connect the headset to the co rresponding sockets of your intercom. Adjust the volume directly on the intercom.
7 Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to 40 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. + – Book_51xxxx_1 106_SP6.
8 The operating controls of the HMEC 46 Operating control I Volume co ntrols LED NoiseGard™ ON/OFF switch Mono/stereo switch BOOM switch L/R 3.
9 Operating con trol II LED NoiseGard™ ON/OFF switch Headset with operating control II Operating element HMEC 46-CP x x HMEC 46-KP x x HMEC 46-NP x x Book_51xxxx_1 106_SP6.
10 Using the headset Switching N oiseGard™ on/of f The NoiseGard™ ON/OFF switch allow s you to switch the NoiseGard™ active noise compe nsation on or off. With NoiseGard™ switched off, th e headset can be used as a conventional headset. 왘 Set the NoiseGard™ ON/OFF switch to the desired position: ON: NoiseGard™ is switched on.
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 intercom system. 왘 Set the mono/stereo swit ch to the desired position: mono ( ) or stereo ( ).
12 The operating time with batt eries/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 ligh ts up yellow : The batte ry capacit y is sufficient.
13 Connecting a mobile tel ephone The 2.5 mm jack socket al lows you to connect a mo bile telephone. For this purpose, the NoiseGard™ active noise compensation must be swit ched on and the microphone connector must be connected to the aircraft rad io/ intercom.
14 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 compens ation must be swit ched on. 왘 Connect the audio cable to the 3.
15 Care and mainten ance Cleaning the headset Use a soft, slightly damp cloth to clean the headset from time to time. If the headset is very dir ty, use a cloth dampened with mild, soapy water. Replacing the earp ads For reasons of hygiene, the earpads should be replaced from time to time.
16 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. y Cable -CP Cat.
17 Product variants Single-sided round cable, leng th 1.85 m XLR-5 connector ¼“ (6.3 mm) jack plug (headphones) PJ-068 equivalent (microphone) 8-pin Neutricon connector 6-pin Redel connector Aircraft powered Battery powered Operating control I (see page 8) Operating control II (see page 9) Model Cat.
18 Specifications Headphones Transducer principle dynamic, open Ear couplin g supra-aural Frequency response 20–14,000 Hz Impedance 600 Ω / 1.200 Ω mono/stereo Characteristic SPL 93 dB SPL at 1 kH.
19 General d ata Temperature range Operation: –15 °C to +55 °C Storage: –55 °C to +70 °C Weight without cable approx. 150 g Power supply for 2x 1.5 V AA al kaline battery NoiseGa rd™ (IEC LR 6) or 2x 1.2 V AA rechargeable battery (IEC LR 6) or 12–35 V DC vi a the aircraft DC power supply system (on suitably equipped aircraf t), max.
20 Connector assignment HMEC 46-CP , -V-CP , -B-CP , -BV-CP HMEC 46-NP HMEC 46-V-RP Solder side 1 2 3 Audio Hi Audio Lo / DC– Microphone Hi 4 5 1 2 3 4 5 Microphone Lo Power supply NoiseGard TM (.
21 HMEC 46-KP, -V-KP, -B-K, -BV-K HMEC 46-KP 1 Audio Hi left 1 Power supply NoiseGard™ (DC+) 2 not assigned 2 Microphone Hi 3 Audio Lo / DC– 3 Microphone Lo / DC– HMEC 46-V-KP 1 Audio Hi left 1 .
22 Manufacturer Declarations W arranty regulations The guarantee period for this Sennhei ser product is 60 months from the date of purchase. Excluded are accessory items, rechargea ble or disposable b.
23 CE Declaration of Conformity This equip ment is in compli an ce with the essential require- ments and other relevant provisions of Directive 89/336 /EU.
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Sennheiser ele ctronic GmbH & Co. KG 30900 Wedemark, Germany Phone +49 (5130) 600 0 Fax +49 (5130) 600 300 www.sennheiser.com Printed in Germany Publ.
An important point after buying a device Sennheiser HMEC 46 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Sennheiser HMEC 46, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sennheiser HMEC 46.
However, one of the most important roles played by the user manual is to help in solving problems with Sennheiser HMEC 46. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sennheiser HMEC 46 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
