[. . . ] Unplug the power cord when not using the set for long periods of time. The adjacent green indicator flashes when the digital signal is unlocked and remains lit when the digital signal is locked. NOTE: You must first set the pitch slider to zero % of the digital output source (CD, MD) before it's power is turned on. If the green digital indicator is flashing on the mixer, please perform the above steps. [. . . ] These stereo pairs of unbalanced RCA jacks are Inputs for any line level device. Connect these jacks to the Fader input jacks of the DN-1800F, the DN-2100F and the DN-2600F using the 3. In the STEREO mode it changes the relative levels of the Cue and Program mixed together in both earcups. In the MONO mode it changes the balance between the Mono Cue in the left ear cup and the Mono Program in the right. These stereo pairs of unbalanced RCA jacks are Inputs for a Phono (RIAA) stage for magnetic (MM) cartridges or a Line stage suitable for any device, such as a CD player. Pressing multiple buttons makes it possible to derive mixed sound from the selected sources. These XLR type connectors provide a balanced line level output with independent front panel Zone Level controls and are not affected by the Master Level control. These switches set a Line level inputs when Turntable is not connected. This screws provide a place to connect the ground wire from a turntable. This terminal is exclusively for a turntable grounding and not a safety earth ground. Channels not assigned to A or B are output without passing through the crossfader. Accepts either a balanced microphone with an XLR connector or an unbalanced microphone with 1/4" mono jacks. This stereo pair of RCA jacks provide a unbalanced line level output with independent front panel Booth Level controls and are not affected by the Master Level control. When the fader is at its far left, only the A Mix is heard from the Outputs. as the fader is moved toward the right , the amount of B Mix is increased and the amount of A Mix is decreased. When the fader is centered, equal amounts of A and B Mixes are routed to the Outputs. Connect this jack to the remote of the DN-2100F and the DN-2600F using the 3. This 1/4" mono jacks provide a mono line level output of Main Out. Allows adjusting the "shape" of the Crossfader response from a gentle curve for smooth, long running fades, to the steep pitch required for top performance cut and scratch effects. It is intended for use with a tape recorder, but is not restricted to that purpose. The function to start the performance of CD Player with Crossfader automatically is turned on/off. Loose connections cause hum, noise, or intermittents that could damage your speakers. [. . . ] Use the Crossfader Contour control to control the cross fader startup curve. When the Crossfader is slid in the opposite direction as in "3", CD player will begin. The function for the Brake stop is done by using Crossfader and source input fader. nOTES: · Channels selected with the Crossfader Assign A, B switches and the Crossfader Start A, B buttons cannot be started with the source input fader (Ch. [. . . ]