Rev 0
31219
MP3
Controller
1. You
should
already
have
the
recorded
SD
card
with
*.mp3
sound
file
inserted
in
the
MP3
Player.
2. If
the
item
doesn’t
start
playing
after
plugging
the
power
in.
PUSH
the
“
MODE
”
button
(4)
to
select
the
SD
card
input
mode
on
the
display.
3. PUSH
and
HOLD
“NEXT
/
VOL
+”
button
to
increase
volume
and
PUSH
and
HOLD
“PREV
/
VOL
‐
“
button
to
decrease
volume.
4. Select
the
“
Sensitivity
Level
”:
left
(
talking
)
or
right
(
singing
).
5. If
the
volume
is
low
you
will
need
to
adjust
the
“
Sensitivity
Potentiometer
”
to
1
to
3
value
range.
(3)SD(TF)
card
(2)Sensitivity
Potentiometer
setting
(1)Sensitivity level
USB
AUX (Not used)
(4)Input mode
Mp3 Player
functions
Sensitivity level
Min
Max
LEFT position is
for talking
RIGHT position
is for singing
1
2
3
4
5
6
4. Select
the
“
Sensitivity
Level
”:
left
(
talking
)
or
right
(
singing
).
5. If
the
volume
is
low
you
will
need
to
adjust
the
“
Sensitivity
Potentiometer
”
to
1
to
3
value
range.
Sensitivity Level
1
2
3
4
5
6
