Lenco L-81 USB - Manual (Page 5)

In order to record to SD
(1)Press REC START/STOP
(2)Press SD REC SELECT
(3)Press REC GO
(4)Stop the recording: press the REC START/STOP until the pilot lamp put out.
During the recording ,adjust the REC VOL to control the volume
In order to record to USD
(5)Press REC START/STOP
(6)Press REC GO
(7)Stop the recording: press the REC START/STOP until the pilot lamp put out.
During the recording ,adjust the REC VOL to control the volume