AKG Acoustics K490NC User Manual
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HIGH-PERFORMANCE
NOISE
ECOUTEURS
AU
K490NC
SYSTEME
CANCELLING
HAUTE
ANTI-BRUIT
OWNERS MANUAL
HEADPHONES
PERFORMANCE
ACTIVE
ACTIF
CONTROLS
ELEMENTS
BEDIENELEMENTE
DE
COMMANDE
u
0
0
0
(
NC
2
1
3
4)
(5)
(6)
(7)
(8)
OPERATING
MANUAL
K490
( 1 )
(2)
(3)
(4)
(5)
(6)
(7)
(8)
NC
On/Off
Charge control light
Operating
Combined
Charging cable
Audio cable
Flight
Carrying
button
control
charging/audio
adaptor
case
light
socket
START-UP
Please
first
charge your K490
time.
NC
before using
it
CHARGING
Please
charging/audio socket
socket
(not
indicates the charging process.
K490
usually
possible to listen and
However. during charging you can continue
the sound cancelling function.
you
for
AUDIO
Connect
conne ct
audio s
connect
on
your
suppl ied). The
NC
is
takes
store
long er periods.
the K490
the
computer
fully
charged. The
between
PLAYBACK
the aud
the
our
ce.
io
other
charging
(4)
red
charge
1.5 and 3
charge
NC
charged. when it
cable
end
with
as
or
to th
the
cable (
well
a
USB
charging
at
We
e sock
5)
to the
as to a
cont
It goes out when the
hours
the
recommend
earphones of
free
power
r
ol
light (
process
.
It
same time.
is
not
et
( 4) and
for
the
joint
USB
adaptor
2)
is
not
to
use
that
in
use
your
The
operating cont rol light (
in
use, also indicates the charge
flash when the charge is low. When the c
sufficient
operating control light ( 3) goes off,
to use the K490
sound quality by switching
IN
THE
Please
adaptor
adjust
which
difference
programmes
for
instance.
for
the sound cance
NC
for
AIRCRAFT
use the
reduces the sens
it
better
occurs
aircraft
to the typ ically predomi
in
aircraft.
between
and announcements
on-board
3),
which is gr
l
eve
l.
It
ll
ing functi
you
audio playback without losing
off
the
on/off
adaptor suppli
it
iv
ity
This reduces the
ed
of
yo
ur earpie ce
ent
e
rtain
from
NOTES
Do
not
use
the
headphones in
t
emperatures
or
in vehicles when
temperatures
conditions .
battery
switched
not open
circumstances. Store
small
the unit only with the cables su pp
di
ff
and comb ined audio/ sound canc
depending
is faulty (leakage,
pieces can
erences in volume between pure audio
(for
.
for
Do
not
of
f)
or
or
modify the
on
the o
i
nstance
there
i
nstance)
use
the
when the re a
earph
it
o
ut
be
swallowed or breat hed
utput
of
part
i
cularly
in
st
rong
are
extremely high
n
or
expose
headphones when
smell.
warmth
re
other defec
ones und
of
reach
li
el
your au
of
ed
. T
he
ling function,
di
o equipment.
EN
ee
n when
star
ts
to
ha
r
ge
is not
on
and the
can continue
button (
:
Th
nant
m
the cockpit.
sunli
it
when
er
any
children . as
re can
pl
is ai
rcra
output.
vo
lume
ent
high
ght
to
we
the
ts
.
Do
in
. Use
ay
ba
1)
to
t
be
ck
ft
NOISE
Switch
the K490
earpieces as needed.
be adjusted
without audio source and audio cable to cancel sound.
CANCELLING
On
/
Off
button (
NC
on your head.
fu
r
ther
.
FUNCTION
1)
to
po
If
nece ssary, adjust
The
K490 NC
You
can
al
sition "NC" and place
the
does not need to
so use the K490
NC
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