The Singing Machine SML650BK Instruction Manual page 16

Operation
Using the AUX IN Jack (Continued)
W
U
6
Adjust the MIC VOLUME control
as desired. Increasing this control
will increase the volume of both
microphones.
V
7
SOUND EFFECT: Repeatedly press the
VOICE EFFECTS
to select from ECHO, FEMALE, MALE,
CHIPMUNK, ROBOT or RADIO vocal
effects. Select NONE to sing without
any voice effect.
8
Press the
turn the unit off.
— E15 —
or buttons
ON/STANDBY button to