LASE Mini 4 Channel Sound Mixing Console Audio Mixer with USB2.0 audio interface and 24bit DSP multi-FX processor Front panel function 1,Mike/Line/Guitar input jacks of MIC channel The jacks are used to connect microphones or other audio devices in support of cannon plugs and 6.35 plugs. 2,+48V phantom switch / LED When this switch is turned on , the +48V LED lights and DC +48 V phantom power is supplied to the XLR plug on MIC input jack . NOTICE Be sure to leave this switch off if you do not need phantom power. Follow the important precautions below, in order to prevent noise and possible damage to external devices as well as the mixer if you turn this switch on .Be sure to leave this switch off when you connect a device that does not support phantom power to channel . Make sure to turn this switch off when connecting/disconnecting a cable to/from channel . Slide the knob on channel to minimum before turning this switch on /off . 3,Guitar/Line input shifter The switch is used to shift the connections to different sound sources of the input channels.Switched up, the input channel can be connected directly with a high- impedance audio device such an electric guitar or a bass. Switched down, it can be connected to a low-impedance sound device. Warning! In operation of the switch, all level output control (such as channel volume knobs, monitor output knobs and earphone knobs) should be set up to the minimun position. Because this operation will cause a sudden impact sound, which can damage the external devices, and the hearing of the personnel on site. 4, Mic input CH 2 band EQ This is a high quality,.sensitive, 2 segment equalizer that adjusts the overall tone of the channel. The adjustment waveform of the high and low bass equalizer is the shape of the broom, which affects the frequency of 12KHz and the sound below 80Hz; 5, DSP FX send knob Adjust the size of the signal sent to the digital effect processor. The signal transmitting point is located after the volume knob of the channel; 6, PAN knob Positions the channel signal between L/R in the stereo mix; 7,MIC input volume knob / peak LED: Adjust the volume of the sound input from the microphone or other source connected to channel .When the peak light flashes, indicating that the input signal is too high, please turn the volume knob to the left to reduce the volume. in normal use, please avoid the peak light for a long time; 8, DSP output volume knob : reduct the digital effect processor output to the listener output, headphone, USB recording volume; 9,USB audio loopback button: When this button is pressed, the audio signal from the computer through the Use interface can be input into the compauio oun the UsB interface, and then sent to the monitor output and headphone output f the key ise layed, the audio signal reproduced hrom the computer via the use in teut le he bny is plamited to the monitor output and headphone output. 10, USB audio signal total volume knob: Adjust the audio signal level from the computer via the USB interface; 11.12. 13 digital effect procesom bontomeumpona ths uee the instructions on the use of filters: 14, Monitor output volume knob; 15, Phones output volume knob; 16, Monitor output level meter; 17, The stereo input channel volume knob; 18, The stereo input channel balance knob; 19, power indicator light; 20,6.35mm specification for stereo headphone output interrupts; 21, MONITOR output jacks: XLR balanced output interrupt for the connection of active speakers, power amplifiers or other audio devices. 22,6.35mm-spec stereo line input jack: 23, The stereo line input signal sensitivity selection button, bounce to +4dB, press 10dB; 24, USB 2.0 terminal For connecting to a computer using the included USB 2.0cable. When connected to a computer, the computer supplies power to the mixer and audio data can be sent between the mixer and computer. NOTICE! Please do not connect any device to USB 2.0 terminal other than personal computers or tablet devices. NOTICE! Please read the safety precautions for the USB power adapter or USB mobile battery that you are using.Use a USB power adapter or USB mobile battery that can supply power via a USB micro B plug based on the follow-ing USB standards: Output voltage: 4.8V to 5.2V Output current:0.5A or greater