Mini Looper: The mini loop is designed for guitar or bass for recording. It is a powerful equipment with compact & convenient design. Up to 5 mins & 24bit lossless, uncompressed, professional tone quality recording LOOP LEVEL KNOB: Use this knob to control the volume level for the loop playback.QUICK GUIDE: Operation Status Function Indicator Power on (no loop) Ready for Rec Signal true bypass N/APower on (with loop) Ready for Play Signal true bypass Green flash Single press Ready for Rec Recording Red Single press Record Playback Green Single press Pause Playback Green Single press Playback Overdub Green Double press Play/ Rec Stop Green flash Press & hold Play/ Rec Undo/redo Green fast flash Press & hold Pause Erase loop Green fast flash Double pressand hold Play/ Rec Stoperase loop Green fast flash Record Running out of memory Red fast flash Playback Loop to the beginning Green & Red lights off once While recording, the indication will flash red before running out of the memory. After running out of the memory, the loop will stop & start to playback from the beginning automatically.- EASE TO USE-â-² Recordï Press the footswitch once. LED indicator shows red, it means SOS looper is rec status.ï Hit footswitch again when you finish your riff. LED indicator shows green, it means SOS looper is in playback status. The riff start to loop continuously. LED indicator flashes every time when reaching the beginning of the loop.ï The maximum loop time is 5 mins.â-²OVERDUBï Once you have your fist loop, SOS looper would let you overd