Artec LS3 Üç Kanal / True Bypass Loop Switch; Three Loops; ACTIVE BUFFER SELECT SWITCH; Isolated BUFFERED OUTPUT for pedal tuner or extra systems; AUTO; MUTE : When bypass, SEND is on MUTE status; Professional Grade ZERO; LOSS signal switch; DC 9V Regurated required, No Battery operation; VLCS; very low current system (under 1mA) [INPUT BUFFER] switch ON/OFF swhtch of input buffer (before loop switch); BUFFERED : input buffer is ON, active buffer mode; TRUE BYPASS : input buffer is OFF, true; bypass mode [SEND; @ BYPASS] switch Status of SEND plug when bypass (loop is closed); MUTE : SEND output is muted (short to GND); SEND : Signal is out through SEND plug;