The Singing Machine SML645BT Instruction Manual page 18

Operation
Using the LINE IN Jack
w
u
v
x
1
Connect the unit as described
previously (see page E5). Press the
power ON/OFF button to turn the unit
on.
2
Connect the external unit to the
LINE IN Jack on the front of this unit.
Connecting an external unit will allow
the audio to be played through your
Singing Machine. LINE IN function is
automatically selected once the audio
cable is plugged in.
Notes:
• It is highly recommended to set the
volume on the auxiliary unit to 1/3 or
lower to avoid distortion.
• Skipping files/tracks is not possible on
this unit when using an external device.
3
Adjust the volume using the MASTER
VOLUME control on this unit or your
external device's volume control.
4
Connect microphone(s) as shown on
page E5. Slide the ON/OFF switch on
the microphone to the ON position.
— E17 —