User manual JBSYSTEMS LIGHT USB AUDIO CONVERTER V1.0

[. . . ] No objects filled with liquids, such as vases, shall be placed on this appliance. electric shock or malfunction may result. If a foreign object enters the unit, immediately disconnect the mains power. No naked flame sources, such as lighted candles, should be placed on the appliance. [. . . ] To avoid condensation to be formed inside, allow the unit to adapt to the surrounding temperatures when bringing it into a warm room after transport. Condense sometimes prevents the unit from working at full performance or may even cause damages. For more information on connections, please refer to the next chapter. In this manual we talk about "line inputs". This is a global name for inputs with a level within 2V. Choose USB AUDIO CODEC as playback device from the drop down menu if you want to use the USB audio converter as soundcard for playback of your files. Choose USB AUDIO CODEC as recording device from the drop down menu. Your files will be recorded through the USB audio converter. Click the INTERFACE tab and check if your preferred language exists in the drop down menu. AUDIO INPUT: use this cinch (RCA) input to connect the analog audio equipment you want to record from. This can be a turntable or any line level audio equipment. GROUND CONNECTION: use this screw only to connect the eventual earth wire from your turntable. AUDIO OUTPUT: you can use the USB audio converter also as an (additional) sound card for your PC or laptop. In that case you have to connect this output to an amplifier or other line level input. AUDIO INPUT SWITCH: used to adapt the audio input (see n°1) to the equipment that is connected: LINE position: you can connect any line level audio output to record it on your computer. PHONO position: use this position if you connect a turntable. (internal RIAA amplifier is activated) If possible, please also use the ground connection (see n°2). POWER LED: indicates if the unit receives power from the USB connecter on your computer. USB CONNECTOR: used to connect the USB audio converter to your computer. The unit will be recognized immediately, no drivers needed. This USB audio converter can be used with any recording software you like. however we bundled freeware Audacity software under the terms of the GNU General Public License as published by the Free Software ® Foundation. [. . . ] Remark: refer to the Audacity website, manuals and tutorials for information on how to use these tools!If a CD player with a very high output is used, the input recording level can exceed 2Vpp, this will generate some digital noise. If this happens the CD player will have to be connected through a mixer to reduce the level to the correct Line level below 2Vpp. If the output of the USB Audio Converter is connected to a mains earthed mixer, an earth loop could be generated. [. . . ]