PS Magazine - TB 43-PS-684

PS, The Preventative Maintenance Monthly

ISSUE 684

NOVEMBER 2009
PS Magazine - TB 43-PS-684 - Page 22 of 33
41
PS 684
NOV 09
Bose and Racal Headsets…
For Hearing
and Hearing
Protection
these headsets fit
over the advanced
combat helmet or
under it. when fitted
over the helmet, they
can be removed without
removing the helmet.
adjustments to fit
every head are made
with the hook-and-pile
straps around the neck
and over the head.
the headsets
provide hearing
protection
through both
active and
passive noise
reduction.
what
does
that
mean?
it means a snug fit on the head
and ears gives you passive noise
reduction, and the electronics
give you active noise reduction.
on the bose, the microphone
assembly is replaceable and can be
positioned on the right or the left.
it’s lighter than
previous headsets and
the ear cushions are
more comfortable.
also, the bose has a “talk-thru” circuit that lets you dismount
from the vehicle and hear ambient sound in stereo and have a
normal conversation without having to remove the headset.
if you’re traveling without
hearing protection in an up-
armored hmwwv or other
wheeled tactical vehicle,
you are
damaging
your
hearing!
you
must
wear
hearing protection!
of course, wearing some
hearing protection can keep
you from hearing things
you need to hear, like life-
and-death warnings and the
sounds of an approaching
enemy.
that’s where the bose
improved tactical headset,
the racal headset, nsn
5965-01-551-
7
393, come in.
these headsets protect your
hearing, but still let you
hear what needs to be heard.
they are a vital component to the
intercom system of your hmwwv
and other light tactical vehicles.
sure is
loud in
here!
what!?
It fts
under
or
over
the ACH
Over helmet
head strap
Talk
through
micro-
phones
Reduceable ear cushions
PTT switch
momentary oFF-on
AA size
battery
inside
M42 mask
mic socket
ANR/talk
through
on-oFF
684.40-41.indd
1-2
10/2/09
12:15:00 PM
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