The Singing Machine SML682BTBK Instruction Manual page 14

Operation
Playing Songs from the USB (Continued)
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10
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6
Connect microphone(s) as shown
on page 5, and slide the ON/OFF
switch on the microphone to the ON
position.
7
Press the MIC VOLUME + or –
button as desired, which will affect
both microphones.
8
Press the ECHO + or – button to add
an echo effect to your voice.
9
Adjust the Key using the KEY +/5
and KEY –/ buttons to obtain the
best key for the playing track.
10
SKIP: Advance or go back one
track by pressing the Skip –/
Navigation and Skip +/
Navigation buttons.
You can also skip ahead 10 files/
tracks using the 10+ button.
11
REPEAT: During playback,
press the REPEAT/PROGRAM
button once to repeatedly play
the selected song; the Repeat/
Program indicator will blink
rapidly. Press the REPEAT/
PROGRAM button a second time
to repeatedly play the selected
folder; the Repeat indicator will
blink slowly. Press a third time
to repeatedly play the USB; the
Repeat/Program indicator will
light solid. Press it again to cancel
Repeat function; the indicator will
turn off.