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4
Using your headphones
If you plan to use them for noise reduction only, simply put
on the headphones and turn on the power switch, located
on the right earcup. There are no cable connections
required for this use.
To use the headphones for audio, first notice the settings on
the audio attenuator shown below.
These Hi and Lo settings are used to adjust the output
volume of different audio sources. “Lo” is typically used for
airline audio or audio devices that use A/C power. “Hi” is
typically used for battery-powered audio devices.
Note:
Hi and Lo settings have no effect on noise
reduction.
Select the appropriate setting for the sound source you will
use. Then insert the audio attenuator into the opening on
the left (L) earcup and press it in so it is flush with the side
of the earcup.
As soon as you connect the headphone plug to your audio
source, you are ready to put on the headphones and turn
on the power switch to enjoy both audio and noise
reduction. Use the volume control on the selected audio
source to make additional volume adjustments.
Use
Hi/Lo
switch
L
AM257565_00 _V.pdf May 13, 2003