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Related Manuals for Sennheiser HMEC 46-1
Summary of Contents for Sennheiser HMEC 46-1
- Page 1 HMEC 46-1 Instructions for use...
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Page 2: Safety Instructions
• Always include this instruction manual 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 from engines, propellers, warning alarms, etc.) - Page 3 • Only replace those parts of the headset whose replacement is described in this instruction 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.
- Page 4 Designed for use in aircraft cockpits. Features • NoiseGard™ active noise compensation reduces ambient noise by at least 15 dB – consequently the radio volume can be decreased • Extremely lightweight • Extremely comfortable to wear due to the patented two-piece automatic headband and soft ear pads •...
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Page 5: Delivery Includes
• 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 posi- tioned on either the left or right-hand side of the head. - Page 6 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 dis- tance of approx. 2 cm between microphone and mouth.
- Page 7 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. Hearing damage due to high volumes!
- Page 8 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 9 The operating controls of the HMEC 46-1 Operating control 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 Cable with Operating element operating control -B-CP -B-K -B-KP -BV-CP -BV-K...
- Page 10 Operating control NoiseGard™ ON/OFF switch Cable with Operating element operating control...
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Page 11: Using The Headset
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... - Page 12 To move the BOOM switch, use a pointed tool. Powering NoiseGard™ via two (rechargeable) batteries 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.
- Page 13 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/recharge- able battery capacity. lights up yellow: The battery capacity is suffi- cient. lights up red: The batteries are flat.
- Page 14 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 15 Set the volume to a medium level. Make sure that you can hear critical environmental sounds and warning alarms. Connect the audio cable to the 3.5 mm jack socket on the operating control and to the corresponding jack socket on your audio player.
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Page 16: Care And Maintenance
For reasons of hygiene, the ear pads should be replaced from time to time. Grasp the edge of the foam ear pad behind the ear cup as shown and peel it up and away from the ear cup. Slide the new ear pad onto the earcup. Repeat... -
Page 17: Accessories And Spare Parts
Accessories and spare parts By changing the cables, you can simply retrofit different operating controls (see “The operating controls of the HMEC 46-1” on page 8 and 9) or connectors (see “Product variants” on page 17). • Cable -CP Cat. No. 500852 •... -
Page 18: Product Variants
Single-sided round cable, 6-pin Redel connector length 1.85 m Aircraft powered XLR-5 connector Battery powered XLR-3 connector Operating control I (see page 8) ¼“ (6.3 mm) jack plug Operating control II (see page 9) (headphones) PJ-068 equivalent (microphone) 8-pin Neutricon connector... -
Page 19: Specifications
Transducer principle pre-polarized condenser microphone, noise-compensating Frequency response 100–6,000 Hz Output voltage adjustable from 17–100 mV/Pa, 80 mV/Pa –2 dB (factory pre-set) = 800 mV –2 dB at 114 dB SPL Terminating impedance 150–2,200 Ω Supply voltage 8–16 V DC... - Page 20 –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 alkaline battery NoiseGard (IEC LR 6) 2x 1.2 V AA rechargeable battery (IEC LR 6) 12–35 V DC via the aircraft...
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Page 21: Connector Assignment
Connector assignment Cable -B-CP, -BV-CP, -CP, -V-CP Solder side Audio Hi Audio Lo / DC– Microphone Hi Microphone Lo Power supply NoiseGard (DC+) Cable -NP Solder side 1 Audio Hi 2 Audio Lo 3 not assigned 4 Microphone Lo 5 Microphone Hi 6 not assigned 7 DC–... - Page 22 Cable -B-K, -BV-K, -KP, -V-KP, -V-KX 1/4" (6.3 mm) jack plug PJ-068 equivalent 1 2 3 Cable -B-K 1 Audio Hi 1 not assigned 2 not assigned 2 Microphone Hi 3 Audio Lo 3 Microphone Lo Cable -BV-K 1 Audio Hi left...
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Page 23: 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 89/336/EC. - Page 24 Sennheiser electronic GmbH & Co. KG 30900 Wedemark, Germany www.sennheiser.com Printed in Germany Publ. 08/10 515805/A01...