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250 instruction manual Hmec, Notice d‘emploi Istruzioni per l‘uso
Models:
250
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Specs
Maintenance
Connecting the headset
Adjusting the microphone sensitivity
ySeparate left and right channel volume control
Safety
Accessories and spare parts
Connector assignment
Switching the TalkThrough function on/off
Using the headset
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HMEC 250
Bedienungsanleitung
Instruction Manual
Notice d‘emploi
Istruzioni per l‘uso
Instrucciones de uso
Gebruiksaanwijzing
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Contents
Notice d‘emploi Istruzioni per l‘uso
HMEC
Instrucciones de uso Gebruiksaanwijzing
Contents
Important safety instructions
Safety instructions for batteries
Delivery includes
The HMEC 250 headset
ySeparate left and right channel volume control
Additional features
TalkThrough function
yGood passive attenuation of ambient noise
TT VOLUME - button
TT VOLUME + button
Operating elements
TalkThrough button
LED indications
Meaning
Meanings of the LED
NoiseGard 2.0 operation
Connector
Connecting the headset
Preparing the headset for use
Inserting the batteries
The 2.5 mm jack socket allows you to connect a mobile telephone. For this purpose, the microphone plug must be connected to the aircraft radio/intercom. A suitable adapter for your mobile telephone with 2.5 mm jack socket is available from your Sennheiser agent
Connecting a mobile telephone
Hearing damage due to high volumes
Connecting an additional audio player
Switching between mono and stereo mode
Adjusting the microphone sensitivity
To change the input sensitivity of the microphone
Adjusting the headset
Using the headset
Attaching the cable clip
CAUTION! Hearing damage due to high volume levels
Adjusting the volume
Adjusting the volume of the TalkThrough function
Switching the TalkThrough function on/off
Press the TT VOLUME + button
To increase the volume of the TalkThrough function
– the LED lights up red and
Switching NoiseGard on/off
Always replace the two batteries at the same time
Replacing the batteries
Folding up the headset
Replacing the earpads
Care and maintenance
Replacing the wind shield
Accessories and spare parts
Headphones
Specifications
General data
Transducer principle
Microphone incl. preamplifier
Connector assignment
¼” 6.35 mm jack plug
5.25 mm jack plug
Manufacturer declarations
CE Declaration of Conformity
516578/A02
Publ. 06/07