Controls (left to right):
Input Socket 1; Input Socket 2; Volume 1; Volume 2; Five head on/off push buttons - "Halo", "Halo 2", "Echo", "Echo 2", "Repeat"; Sustain; Swell; Echo Only push button; Master, Mains Indicator Light; Power on/off push button.
Motor Speed (Standby) rotary switch located within tape loop.