- 2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. PSU/Synth Mages Power Word Stun.kicad_prl Normal file Unescape REP: repique CAX: caixa MSD: mid surdo (sometimes MS1, MS2, etc, if multiple measures or has planned variations) BSD: back surdo For this tab pidgin, 'l' or 'L' means left hand, 'r.