S SHIFT Hold this button down to access secondary functions of the XDJ-R1
P POWER Power on/off the XDJ-R1
M MIDI Set each side of the XDJ-R1 to Midi mode to control the Left/Right VirtualDJ decks.
S SOURCE Set each side of the Mixer to DECK1/2 to control the Left/Right VirtualDJ mixer channel
The functionality of each button, knob and connection per section (as shown in the image above) will be explained in detail in the next chapters
C. Deck Controls
E. HotCues & Sampler
F. Front & Rear Panels