○
A
Power
Switch
Turns
the
microphone/transmi er
ON
and
OFF.
○
B
Remote
Volume
Control
Controls
the
volume
level.
Press
the
“+”
bu on
to
increase
the
volume
and
“-”
to
decrease.
9
○
C
Status
Indicator
The
indicator
LED
shows
GREEN,
RED
or
ORANGE
depending
on
the
status
or
mode
of
the
IRN-20.
GREEN
=
on
Alterna ng
RED/GREEN
=
recharge
soon
RED
=
charging
Orange
=
charged
○
D
Dual
Direc onal
Microphones
The
IRN-20
uses
two
separate
microphones
(le
and
right)
to
provide
a
constant
transmi ed
voice
level
as
the
user’s
head
is
turned
from
side
to
side.
○
E
Ba ery
Compartment
Lid
To
open
the
ba ery
compartment
lid,
hold
the
IRN-20
upside
down,
the
lid
facing
you,
and
the
press
the
center
of
the
lid
with
both
thumbs
and
slide
the
lid
upward.
Insert
an
AA
rechargeable
Ni-MH
ba ery
(included
in
the
Azden
Classroom
Systems
IR-CSV
and
IR-WSV)
or
an
AA
Alkaline
ba ery
following
the
polarity
marked
inside
the
ba ery
compartment.
○
F
Microphone
Gain
Se ngs
The
IRN-20
microphone
gain
control
is
factory
set
and
will
not
need
adjus ng.
Turn-
ing
the
control
by
a
jeweler’s
Phillips-head
screw
driver
(not
included)
will
increase/
decrease
the
AF
level.
○
G
Neck
Strap
To
separate
the
clasp,
grab
the
both
end
of
the
clasp
and
fi
rmly
pull
them
apart.
To
rea ach,
simply
snap
the
ends
back
in
or
slide
one
end
to
the
other
un l
clicks.
The
strap
length
can
easily
be
adjusted
by
moving
the
sliders.
○
H
Microphone
Jack
Plug
in
an
external
microphone
with
3.5mm
mini
plug
here
to
override
the
IRN-20’s
microphones.
○
I
Ba ery
Charge
Jack
Plug
the
BC-31
Ba ery
Charger
(included
in
the
Azden
Classroom
System
IR-CSX
)
to
charge
the
supplied
rechargeable
ba ery
(1HR-3U).
Connec ng
the
charger
will
automa cally
turn
o
ff
the
IRN-20
and
start
charging
(the
red
LED
will
be
lit).
The
charge
me
from
fl
at
is
typically
10
hours.
When
charged,
the
indicator
will
be
lit
orange.
○
J
Auxiliary
Jack
An
external
audio
source
with
a
mini
plug,
such
as
iPod
or
computer,
can
be
plugged
in
here.
The
IRN-20
will
then
transmit
the
audio
signals
to
the
IRR-40P
receiver
to
play
the
audio
through
the
system’s
speakers.
○
K
Infrared
Emi er
In
order
for
the
transmi er
to
send
the
infrared
signals,
the
emi er
will
always
have
to
be
exposed.
Do
not
cover
the
emi er
area.
