IMPORTANT SAFETY PRECAUTIONS TASCAM US-16411 – IntroductionThank you very much for purchasing the TASCAMUS-1641 16x4 96 kHz/24 bit USB2.0 Audio/MIDI inter-face. Please read this owner’s manual carefully beforeusing the unit in order to maximize your use of all itsfeatures. We hope that you will enjoy using this product,for many years to come.If you are uncertain how to perform the basic computeroperations explained in this manual, please refer to theowner’s manual that came with your computer.For information on the operation of Digital AudioWorkstation (DAW) software, please refer to theowner’s manual for the corresponding DAW.••TASCAM accepts no responsibility for the loss of anydata that may arise from your use or inability to use thisproduct to record onto MIDI equipment in your systemor onto storage devices such as hard disks.The US-1641 is a USB-based audio interface designed foruse with Digital Audio Workstation (DAW) software, suchas Cubase LE 4. It provides abundant analog and digi-tal inputs and outputs, and 16-channel MIDI inputs andoutputs. It is the ideal companion to any computer-baseddigital recording setup.•Supplied accessoriesIn addition to this manual, the following accessories aresupplied.USB cable ...................................................................1CD-ROM (containing drivers and manuals) ..............1DVD-ROM (Cubase LE 4) .........................................1CD-ROM (TASCAM Continuous Velocity Piano) ....1Warranty card .............................................................1•••••Please contact your TASCAM supplier if any of theseaccessories are missing.NOTEWe recommend that you keep the original box andpacking materials for transportation of this unit.Manual conventionsIn this manual, we use the following conventions:Controls and keys on the US-1641 are written like this:MENU.We use the term “key” to describe the push-buttoncontrols on the US-1641.••This typeface is used to designate on-screen controllersor buttons: CancelExcept above, this typeface is used to designate any textdisplayed by the software: New project••Precautions for placement and useThe US-1641 may be used in most areas, but to maintaintop performance, and prolong operating life, observe thefollowing notes, precautions and environmental conditions:Avoid exposing it to extremes of temperature andhumidity and avoid mechanical shocks and vibration.Keep the unit away from strong magnetic fields (TVsets, computer monitors, large electric motors, etc.).The nominal temperature should be between 5°C and35°C (41°F and 95°F).•••Relative humidity should be 30 to 90 percent.As the unit may become hot during operation, alwaysleave sufficient space above the unit for ventilation. Donot install this unit in a confined space such as a book-case, and do not put anything on top of the unit.Avoid installing this unit on top of any heat-generatingelectrical device such as a power amplifier.The voltage supplied to the unit should match the volt-age as printed on the rear panel. If you are in any doubtregarding this matter, consult an electrician.••••Features24-bit/96 kHz audio interfaceAnalog inputs (1-14) and digital inputs (L & R) can beused simultaneously, providing 16 audio inputs for yourcomputer via USBEight XLR mic inputs (balanced), two line/guitar inputs(balanced/unbalanced), and four line inputs (balanced)•••Stereo digital input jack (S/PDIF) and stereo digitaloutput jack (selectable between S/PDIF and AES/EBU)Balanced stereo line output and headphone outputMIDI IN/OUTDirect Monitor function allows zero-latency monitoringof the input.••••