Manuals
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Sennheiser
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Home Audio
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Headphones
Sennheiser
HMDC 322, HMEC 300 manual Headset, HMEC HMEC HMEC HMEC 305-C HMEC HMEC HMEC HMDC
Models:
HMEC 306
HMEC 305-C
HMEC 302
HMEC 305
HMEC 322
HMEC 400
HMDC 322
HMEC 300
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The above diagram shows noise compensation with NoiseGard Passive hearing protectors effectively attenuate noise from the middle and upper frequency range, the effect decreasing sharply in the lower range. However, active noise compensation with NoiseGard combined with passive hearing protectors results in a reduction of noise of approx. 25 dB in the 25-500Hz frequency range. The total attenuation resulting from active and passive noise compensation is about 30 dB over the entire audio range
Connecting the headsets
Problem
Adjusting the headband
LED operation and battery status indication
HMEC 302, HMEC 305 and HMEC 306 headsets
Safety
Powering options
Recommended accessories
Connector assignment
Page 1
Image 1
Instructions for use
Headset
HMEC 300
HMEC 302
HMEC 305
HMEC
305-C
HMEC 306
HMEC 322
HMEC 400
HMDC 322
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Page 2
Page 1
Image 1
Page 2
Contents
HMEC HMEC HMEC HMEC 305-C HMEC HMEC HMEC HMDC
Headset
Instructions for use
Contents Safety tips
Safety tips
HMEC 300 NoiseGard headset
Headset features
HMEC 302 NoiseGard headset
Product variants
HMEC 305 NoiseGard headset
HMEC 306 NoiseGard headset
HMEC 305-CNoiseGard headset
HMEC 322 NoiseGard headset
HMDC 322 NoiseGard headset
HMEC 400 NoiseGard headset
Delivery includes
HMEC 302, HMEC 305 and HMEC 306 headsets
Replaceable gel ear cushions Cat. No
Recommended accessories
Connecting cables for headsets
Connecting the headsets
HMEC 300 and HMEC 400 headsets
HMEC 302 headset
HMEC 305-Cheadset
HMEC 322 and HMDC 322 headsets
HMEC 306 headset
Connecting cable for HMEC 305-C
Powering options
Danger of short circuit
1. Connecting the headset to the on-boardsystem
HMEC 300 and HMEC 400 headsets
Headset HMEC 305-C
Headset HMEC
HMEC 322 and HMDC 322 headsets
HMEC 305 headset
Inserting / replacing the the batteries
LED operation and battery status indication
Attaching the battery pack to clothing
Connecting the headset
Adjusting the headband
Preparing the headsets for use
Relocating the microphone boom
Positioning the microphone
Tilt the microphone for final positioning
1.Pull the wind screen from the microphone
Adjusting the volume
Using the headsets
Turning NoiseGard on/off
Exposure to loud sounds can cause hearing damage
Folding up the headphones
Adjusting the microphone gain
Mic Gain Adjustment
Attaching the cable clip
Replacing the wind screen
Spare parts
Replacing the ear cushions
Replace the headband padding if it is damaged
Replacing the headband padding
Put the new headband padding around the headband
Join the fastening strips
In case of difficulty
Problem
Possible cause and what to do
Possible cause and what to do
Problem
The NoiseGard principle
Valuable information on NoiseGard
Page
The above diagram shows noise compensation with NoiseGard Passive hearing protectors effectively attenuate noise from the middle and upper frequency range, the effect decreasing sharply in the lower range. However, active noise compensation with NoiseGard combined with passive hearing protectors results in a reduction of noise of approx. 25 dB in the 25-500Hz frequency range. The total attenuation resulting from active and passive noise compensation is about 30 dB over the entire audio range
Connector assignment
Headphones
Technical data
Microphone incl. preamplifier
HMEC
HMEC
General data
HMEC
HMEC
HMDC
HMEC 305-C
Technical data
Headphones
HMEC 305-C
HMEC
HMEC
HMDC
Certificate of Conformity
™ ™