Sennheiser NoiseGard HMEC 45-CA Instructions For Use Manual page 6

N.B.:
volume up? - No !
When people use headphones, they tend to choose a higher volume than with
loudspeakers. Listening with high volume levels for a longer time can lead to
permanent hearing defects. Because the
ambient noise the headphones can be set at a correspondingly lower level leading
to more comfortable hearing conditions so protecting your hearing.
Cable on the left
NoiseGard
NoiseGard
system!
NoiseGard
defender system for use in noisy environments!
Cable (worn on left or right side)
350
Cable on the right
reduces noise and increases comfort.
®
is not a medical noise protection
®
cannot replace an industrial ear
®
®
NoiseGard
circuitry is reducing the