Sennheiser NOISEGARD HMEC 322 user manual

User manual for the device Sennheiser NOISEGARD HMEC 322

Device: Sennheiser NOISEGARD HMEC 322
Category: MP3 Player Accessories
Manufacturer: Sennheiser
Size: 0.84 MB
Added : 11/18/2014
Number of pages: 36
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

Instructions for use
Headset
HMEC 300
HMEC 302
HMEC 305
HMEC 305-C
HMEC 306
HMEC 322
HMEC 400
HMDC 322

111

Summary of the content on the page No. 2

Safety tips ....................................................................................................113 Contents Headset features ..............................................................................................114 Product variants ........................................................................................................................ 115 Delivery includes ..............................................................................................118 Re

Summary of the content on the page No. 3

The HMEC 300, HMEC 302, HMEC 305,HMEC 305-C, HMEC 306, HMEC 322, HMEC 400 and HMDC 322 are pilot headsets with closed ear protector headphones and NoiseGard™ active noise compensation for use in helicopters, propeller and turboprop aircraft. Safety tips • With the NoiseGard™ active noise compensation turned on, typical aircraft sounds (for example, those from engines, propellers, warning alarms, etc.) may sound different to you. Before operating any aircraft, make sure that, with NoiseGard™ turn

Summary of the content on the page No. 4

Headset features HMEC 300 NoiseGard™ headset • New active headset with effective attenuation of external noise across the entire frequency spectrum due to NoiseGard™ active noise compensation • NoiseGard™ active noise compensation provides clear communications even in the noisiest environment • Excellent comfort due to very low weight, soft ear cushions and padded headband as well as best possible freedom of movement due to unilateral connecting cable • Foldable headband for easy and space-sav

Summary of the content on the page No. 5

• Power supply for NoiseGard™ is provided via on-board power supply system, cigarette lighter socket or battery pack • Fail safe operation in case of power failure • Supply voltage for the NoiseGard™ system is processed by the in-line electronics in the connecting cable • Made in Germany, two-year warranty Product variants HMEC 302 NoiseGard™ headset The HMEC 302 differs from the HMEC 300 in the following features: • Connection of microphone and NoiseGard™ electronics via PJ-068 plug HMEC 305 No

Summary of the content on the page No. 6

HMEC 305-C NoiseGard™ headset The HMEC 305-C differs from the HMEC 300 in the following features: • No Mono/Stereo switch • Connection of headphones and microphone via XLR-5 plug HMEC 306 NoiseGard™ headset The HMEC 306 differs from the HMEC 300 in the following features: • Connection of headphones, microphone and NoiseGard™ electronics to the on-board power supply system (12–35V DC) via 6-pin Redel plug HMEC 322 NoiseGard™ headset The HMEC 322 differs from the HMEC 300 in the following features

Summary of the content on the page No. 7

HMEC 400 NoiseGard™ headset The HMEC 400 differs from the HMEC 300 in the following features: • Stylish silver design • Leatherette ear cushions • Headband padding can be buttoned HMDC 322 NoiseGard™ headset The HMDC 322 differs from the HMEC 300 in the following features: • No Mono/Stereo switch • Coiled cable • M-87/AIC dynamic microphone and low impedance headphones • Connection of headphones and microphone via U-174/U jack plug to a low impedance interface in the helicopter 117

Summary of the content on the page No. 8

Delivery includes HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets • Headset • 3-pin XLR socket for aircraft panel mounting (power supply via the on-board system) • Padded carry and storage bag with shoulder strap for headset and accessories • Wind screen for microphone (except HMDC 322) • MZQ 2002-1 Cable clip (Cat. No. 44740) HMEC 302, HMEC 305 and HMEC 306 headsets • Headset • Padded carry and storage bag with shoulder strap for headset and accessories • Wind screen for micropho

Summary of the content on the page No. 9

Recommended accessories Replaceable gel ear cushions (Cat. No. 83140) BP-03 battery pack (except for HMEC 302, HMEC 305 and HMEC 306) Battery pack with XLR-3 socket for powering the NoiseGard™ electronics of the HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets. Four 1.5 V AA size alkaline manganese batteries (IEC LR 6) ensure approx. 15 hours of reliable operation (batteries are not included in the delivery). Length of connecting cable: 0.9 m. Adapter cables (except for HMEC 302, H

Summary of the content on the page No. 10

Connecting the headsets Connecting cables for headsets HMEC 300 and HMEC 400 headsets: 1 1 / ” (6.35 mm) stereo jack plug for connecting the headphones 4 1 PJ-068 jack plug for connecting the microphone 1 XLR-3 plug for connecting the power supply for the NoiseGard™ electronics Connecting cable for HMEC 300 and HMEC 400 HMEC 302 headset: 1/ ” (6.35 mm) stereo jack plug for connecting the headphones 4 1 PJ-068 jack plug for connecting the microphone and the power supply for the Connecting cab

Summary of the content on the page No. 11

HMEC 305-C headset: 1 XLR-5 plug for connecting the headphones and the microphone 1 XLR-3 plug for connecting the power supply for the NoiseGard™ electronics Connecting cable for HMEC 305-C HMEC 306 headset: 1 6-pin Redel plug for connecting the headphones, the microphone and the power supply for the NoiseGard™ electronics Connecting cable for HMEC 306 HMEC 322 and HMDC 322 headsets: 1 U-174/U jack plug for connecting the headphones and the microphone 1 XLR-3 plug for connecting the power

Summary of the content on the page No. 12

Powering options There are three options for powering the NoiseGard™ active noise compensation: 1. Connection to the on-board system (12–35 V DC) 2. Connection to the BP-03 battery pack (accessory, except for HMEC 302, HMEC 305 and HMEC 306) 3. Connection to the cigarette ligther socket (12–35 V DC) via adapter cable (accessory, except for HMEC 302, HMEC 305 and HMEC 306) The supply voltage for the NoiseGard™ system is processed by the in-line electronics in the connecting cable. 122

Summary of the content on the page No. 13

1. Connecting the headset to the on-board system The NoiseGard™ electronics can be connected to on-board power supply systems with operating voltages between 12–35 V DC. Danger of short circuit! Before turning on NoiseGard™, ensure that the on-board power supply system is protected by a 1 A fuse. Power supply for NoiseGard™ The HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets are Ground supplied with an XLR-3 socket for panel mounting in the aircraft. The XLR-3 socket must be mount

Summary of the content on the page No. 14

Headset HMEC 302: 1  Connect the / ” (6.35 mm) stereo jack plug for the headphones and the PJ-068 jack 4 plug for the microphone to the corresponding jack sockets of your intercom. HMEC 305 headset:  Connect the XLR-5 plug to the aircraft’s XLR-5 socket. Headset HMEC 305-C:  Connect the XLR-5 plug for the headphones and the microphone to the aircraft’s XLR-5 socket.  Connect the XLR-3 plug to the XLR-3 socket. HMEC 306 headset:  Connect the 6-pin Redel plug to the corresponding socket in th

Summary of the content on the page No. 15

2. Connecting the headset to the battery pack (except HMEC 302, HMEC 305 and HMEC 306) The NoiseGard™ electronics of the HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets can also be powered via the BP-03 battery pack ( ‘Recommended accessories’). The battery pack can be operated either on standard or rechargeable batteries (not included in the delivery). However, to ensure a longer operating time, we would recommend using standard AA size alkaline manganese batteries (IEC LR6). I

Summary of the content on the page No. 16

Connecting the headset, turning on the battery pack  Connect the XLR-3 plug of the headset connecting cable to the XLR-3 socket on the connecting cable of the battery pack. 1  HMEC 300 and HMEC 400 headsets: Connect the / ” (6.35 mm) stereo jack plug 4 for the headphones and the PJ-068 jack plug for the microphone to the corresponding jack sockets of your intercom. HMEC 305-C headset: Connect the XLR-5 plug for the headphones and the microphone to the aircraft’s XLR-5 socket. HMEC 322 and HMDC

Summary of the content on the page No. 17

3. Connecting the headset via a cigarette lighter adapter cable (except HMEC 302, HMEC 305 and HMEC 306) Sennheiser offers special adapter cables with XLR-3 socket for connecting the NoiseGard™ electronics of the HMEC 300, HMEC 305-C, HMEC 322, HMEC 400 and HMDC 322 headsets to the on-board power supply via the cigarette lighter socket: • ACX-1 adapter cable for powering one headset via the cigarette lighter socket • ACX-2 adapter cable for powering two headsets via the cigarette lighter sock

Summary of the content on the page No. 18

Preparing the headsets for use Adjusting the headband For good noise attenuation and best possible comfort, the headband has to be adjusted to properly fit your head:  Wear the headset so that the headband runs over the top of your head.  Adjust the length of the headband so that • your ears are completely inside the ear cushions, • you feel even, gentle pressure around your ears, • a snug fit is ensured. Note: Make sure not to squeeze any connecting cable when adjusting the headband. Squeezin

Summary of the content on the page No. 19

Positioning the microphone Relocating the microphone boom The microphone boom can be worn on either side of the mouth.  Loosen the quick-fixing device.  Rotate the microphone boom by 180°.  Tighten the quick-fixing device. Positioning the microphone towards the corner of the mouth The HMEC 300, HMEC 302, HMEC 305, HMEC 305-C, HMEC 306, HMEC 322 and HMEC 400 headsets feature a flexible microphone boom. Bend the microphone boom so that the microphone is placed at the corner of the mouth. Maint

Summary of the content on the page No. 20

For positioning the microphone of the HMDC 322 headset, proceed as follows:  Adjust the length of the microphone boom so that the microphone is placed at the corner of the mouth. To do so, loosen the quick-fixing device and adjust the microphone boom in length.  Pull the middle part of the microphone boom towards the mouth so that the distance between microphone and mouth is approx. 2 cm.  Tilt the microphone for final positioning. 130


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