Sennheiser HMEC 46 - Manuals

Page 3 - Safety instructions

1 Safety instructions y Please read these instructions carefully andcompletely before using the headset. y Make these instructions easily accessible to all usersat all times. y Always include these instructions when passing theheadset on to third parties. y During flight operation, do not use the he...

Page 5 - Extremely lightweight

3 The HMEC 46 headset The HMEC 46 headset with NoiseGard™ active noise com-pensation features dynamic, open headphones. Thenoise-compensating condenser microphone ensures ex-cellent speech transmission even in noisy environments.Designed for use in aircraft cockpits. Features y NoiseGard™ active noi...

Page 6 - Turning the microphone boom

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 Turning the microphone boom The microphone boom can be rotated. This allows theheadset to be worn with the microphone boom positionedon either the left or right-hand si...

Page 9 - Adjusting the microphone sensitivity

7 Adjusting the microphone sensitivity The microphone sensitivity has been factory pre-set to40 mV/Pa as per RTCA DO-214. You can change themicrophone sensitivity by turning a small screwdriver inthe direction of the arrow. + – Book_51xxxx_1106_SP6.book Seite 7 Mittwoch, 13. Juni 2007 3:07 15

Page 10 - The operating controls of the HMEC 46; Operating control

8 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 control I Operating element HMEC 46-BV-K x x x x x x x x HMEC 46-BV-CP x x x x ...

Page 11 - LED; II; Operating element

9 Operating control 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_1106_SP6.book Seite 9 Mittwoch, 13. Juni 2007 3:07 15

Page 12 - Using the headset; Switching NoiseGardTM on/off

10 Using the headset Switching NoiseGard™ on/off The NoiseGard™ ON/OFF switch allows you to switch the NoiseGard™ active noise compensation on or off. WithNoiseGard™ switched off, the headset can be used as aconventional headset. 왘 Set the NoiseGard™ ON/OFF switch to the desired position: ON: NoiseG...

Page 17 - Care and maintenance; Cleaning the headset

15 Care and maintenance Cleaning the headset Use a soft, slightly damp cloth to clean the headset fromtime to time. If the headset is very dirty, use a clothdampened with mild, soapy water. Replacing the earpads For reasons of hygiene, the earpads should be replacedfrom time to time. Grasp the edge ...

Page 18 - Accessories and spare parts; Cable clip

16 Accessories and spare parts By changing the cables, you can simply retrofit differentoperating controls (see “The operating controls of theHMEC 46” on page 8 and 9) or connectors (see “Productvariants” on page 17) to your headset. y Cable -CP Cat. No. 500852 y Cable -V-CP Cat. No. 500846 y Cable ...

Page 19 - Product variants

17 Product variants Single-sided round cable, length 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....

Page 20 - Specifications; Headphones

18 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 ...

Page 22 - Connector assignment

20 Connector assignment HMEC 46-CP, -V-CP, -B-CP, -BV-CP HMEC 46-NP HMEC 46-V-RP Solder side 1 23 Audio Hi Audio Lo / DC–Microphone Hi 45 1 2 3 4 5 Microphone LoPower supply NoiseGard TM (DC+) Solder side 1 Audio Hi 2 Audio Lo3 not assigned 4 Microphone Lo 5 Microphone Hi 6 not assigned 7 DC–8 Power...

Page 24 - Manufacturer Declarations; Warranty regulations

22 Manufacturer Declarations Warranty regulations The guarantee period for this Sennheiser product is 60 months from thedate of purchase. Excluded are accessory items, rechargeable ordisposable batteries that are delivered with the product; due to theircharacteristics these products have a shorter s...