Remote
control
battery
installation
Open
up
the
battery
door
and
insert
2
x
AAA
dry
battery
into
the
compartment;
please
make
sure
the
polarity
of
battery
will
aim
and
correspond
to
the
positive
and
negative
silkscreen
‐
printed
symbol
in
the
compartment.
Then
close
the
battery
door.
Notes:
a.
The
best
working
distance
of
remote
control
is
within
5
meters
without
any
obstacle
in
between.
Please
aim
to
the
remote
control
sensor
locates
on
the
front
of
unit
during
operation.
b.
The
sensitivity
of
remote
control
will
become
weak
when
the
battery
power
exhausted.
Please
replace
it
with
fresh
one
for
operation.
c.
Please
take
out
the
battery
in
case
of
none
‐
operation
in
a
long
time.
d.
Please
dispose
the
battery
in
an
environment
friendly
way.
Please
reference
the
local
government
requirement
for
the
detail.
General
operation
1.
Power
on/off:
switch
the
main
power
button
on
the
panel
can
turn
on
or
off
the
unit;
you
also
can
get
standby
on/off
by
press
power
button
from
remote
control.
2.
Play
source
selection
:
press
the
MODE
button
on
the
control
panel
or
remote
control
can
switch
the
play
source
between
FM/Bluetooth/Line
in/USB/SD
in
cycle.
3.
Volume
adjustment:
Turn
the
main
volume
knob
on
the
panel
can
increase
or
decrease
the
main
output
volume
level.
You
can
also
adjust
the
volume
in
small
step
by
press
the
VOL
+/
‐
button
from
remote
control,
but
the
remote
control
adjusted
max
volume
level
is
limited
by
main
volume
setting
level.
4.
Treble
&
bass
adjustment:
Turn
the
treble/bass
knob
on
the
panel
can
adjust
the
output
sound
level.