The Singing Machine SMC2020 Instruction Manual page 8

Connections
Connecting the optional wired Microphone
u
Connecting to AUX IN Jack
Lights Mode
u
Connect the wired microphone (not
included) into Mic jack u or v (when
desired); the corresponding mic Indicator
light will be solid.
v
Connect an external device by using an
appropriate cable (3.5mm audio cable not
included) as shown.
u
NOTE:
See page E17 to select and use the Aux In
function.
There are 5 built-in light modes.
Repeatedly press
between lighting effects.
— E7 —
/ button to switch