8REAR PAnEL ConnECtIonS1) Power in socket: Use to connect a 9volt DC 600-1000mAmp Centre Pin positive PSU. The power supply is availablefrom the online store: http://www.focusrite-estore.com/2) Power switch: Use to switch the SL MkII to external power, USB power, or off.3) USB in socket: Use to connect the SL MkII to your computer with the included USB cable.4) Sustain pedal socket: Use to connect a sustain pedal. Any polarity pedal can be used.5) Expression pedal Socket: Use to connect an expression pedal. Note that a 3 pin jack connector must be used.6) MIDI port 2 out socket: Use to connect the SL MkII to the MIDI input of an external device using a 5pin DIN MIDI cable.7) MIDI port 1 Through socket: Use to connect the SL MkII to the MIDI input of an external device using a 5pin DIN MIDIcable. MIDI Through is a copy of MIDI received from the MIDI In socket. Note: No MIDI from the SL MkII or computercan ever be sent to the MIDI Through socket. It is simply a way to forward MIDI from another device through theSL MkII to elsewhere.8) MIDI port 1 Out socket: Use to connect the SL MkII to the MIDI input of an external device using a 5pin DIN MIDI cable.9) MIDI port 1 In socket: Use to connect the SL MkII to the MIDI output of an external device using a 5pin DIN MIDI cable.MoD JoyStICk SPRInG SELECtoRFound on the bottom of the SL MkII, this slider selects whether the pitch/mod joystick springs tothe bottom or moves freely in the vertical (mod) direction. Push it in gently and slide it towards theback of the SL MkII to enable the spring, or towards the front for free movement.PoWER UP CALIBRAtIonThe SL MkII self calibrates all touch sensitive controls when it powers up. Therefore you should not touch any controlduring the boot up process.1 2 3 4 5 6 7 8 9