The Singing Machine iSM1090 Instruction Manual page 22

Operation
Using the LINE IN Jack (Continued)
at
RECORD YOUR VOCAL PERFORMANCE:
9
To record your singing as well as
the music, press the
button. Recording will begin
and the recording indicator will
begin flashing red on-screen and
the function indicator will begin
flashing red.
When done recording, press
the
X
the function indicator will stop
flashing.
Notes:
•
You cannot start recording until the USB
drive is inserted.
•
Insert the USB flash drive into the USB
slot on the unit.
10
Press the
button to turn off the unit. The
function indicator will turn off.
— E21 —
(RECORD)
(RECORD) button again;
(ON/STANDBY)