[. . . ] If this product is found to be the source of interference, which can be determined by turning the unit "OFF" and "ON", please try to eliminate the problems by using one of the following measures: Relocate either this product or the device that is being affected by the interference. Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter(s). In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to co-axial type cable. [. . . ] In Peak A red LED flashes when the input signal level is near distortion indicating it would be better to lower the input gain. 4. In Level A blue LED will light up and flash if signal is available at the input channel 5. Head Phone 1 The first headphone output connector (stereo) Matrix X User's Manual 9. Phantom power LED This LED will light up when phantom power supply is turned on and is providing power to XLR input 10. Guitar On / Off Pressing this button will activate the TS connector of the combo connector to receive external signals. 12. Pressing this button down, all of the input signals will be sent to Head Phone 1 / 2 and Monitor Output directly. If you are using recording software to record, you should un-press this button to avoid latency while monitoring. 13. Power LED This LED will light up when trun on the power of Matrix X. Rear Panel The main input and output connectors are in rear panel of Matrix X. 14. Power Input Plug the bundled power adapter here for supplying power to the Matrix X . To avoid voiding your warranty, only use the power adapter supplied for use with Matrix X. 15. Head Phone 2 Output The second headphone output connector (stereo) Matrix X User's Manual 17. Monitor Output Signal monitor output connectors, the left channel is on the top, the right channel is on the bottom. Please connect here to the Line In of your sound card or the Aux In of an external device. The Left channel is on the top and the Right channel is on the bottom. Please connect sound card's Line Out or the Line Out of an external device to here. The Left channel is on the top and the Right channel is on the bottom. Line Input External devices connect to these jacks to transmit analog signals into Matrix X. The Left channel is on the top and the Right channel is on the bottom. The unbalanced signals go into Matrix X from here can be converted into balanced signals to prevent noise interference. Matrix X User's Manual Connection examples The Matrix X is a very flexible device that features many input and output connectors for different usage and applications. You can connect various external equipment to meet your audio needs. Connection examples of front panel Note: You can only connect ONE device to the XLR / TS combo connector at the same time, either an XLR microphone or TS E. guitar/bass. Shows that the XLR / TS combo connector can be used to connect XLR microphones, as well as TS E. guitar/bass, but you cannot connect XLR device and TS device at the same time. Matrix X User's Manual Connection examples of rear panel Signal flow chart (block diagram) The flow chart below shows how signals are routed through the Matrix X, which may help you better understand how to use the Maxtrix X. Matrix X User's Manual Examples of Matrix X usage Matrix X features various input and output connectors to use either in standalone mode or used with sound card or external device. It will meet most of your music making, practicing and listening needs. [. . . ] Pick-up the audio signal from the microphone and start recording in the software. Use the input gain slider bar in the sound card's control panel or adjust the "Mic / Guitar In" knob of the Matrix X to set the microphone input signal gain. Connect the microphone to the TS jack of the combo connector on the front panel of the Matrix X. Pick-up the audio signal from the microphone and start recording in the software. [. . . ]