Sennheiser NOISEGARD HMEC 305 - Manual (Page 18)

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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:
Ǡ Wear the headset so that the headband runs over the top of your head.
Ǡ 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.
Squeezing can damage the connecting cables.
Ǡ Turn on the NoiseGard™ active noise compensation by setting the ON/OFF switch
to ON (
u “Turning NoiseGard™ on/off”).
Ǡ Final adjustment is best made in a noisy environment.