6This audio mixer has four mono input lines, four stereo input lines, one mono/stereo input line and three output lines.FEATURES● Three modes applicable to different amplification systemsDIP switches at the rear panel support the following amplification systems:• Mode 1: One-circuit amplification (stereo: 1 and mono: 1)• Mode 2: Two-circuit amplification (stereo: 1 or mono: 1)• Mode 3: Three-zone amplification (stereo: 1 and mono :2)● Integrated level control of microphone sounds or BGMThe mono or stereo output level is adjustable with one knob: the MONO OUT or STEREO OUT knob.● Customizable amplification systems• The SUB OUTPUT connector can be assigned to a desired input line from among the STEREO INPUT jack 1 to 4, the con-nectors MONO INPUT 1 to 4, and the MULTI IN STEREO/MONO jack. Refer to p. 18 Output Line Setting for SUB OUTPUTfor details.• The MULTI INPUT* ST and the MULTI INPUT MONO jacks serve as additional stereo or mono input lines, as they can beassigned to any output line.• The LINE IN* jack at the front panel can be connected to a personal computer, MD player or CD player.* The signal from MULTI INPUT ST/MONO jack(s) and the LINE IN jack are unavailable at the same time. (The LINE IN jackhas a priority to MULTI IN.)● Basic functions• Head amplifier with discrete construction (mono input)• Electronically balanced output circuit• Design for noise reduction and sound quality improvement (Refer to p. 38 SPECIFICATIONS.)• Stereo input auto mute switch, used for information broadcasting in a shop• Acrylic cover is attachable on the front panel to prevent wrong operation.Note: In these Operating Instructions, "Mono" and "mono" stand for "monophonic".PREFACE