Tascam US-2x2 Reference Manual

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Tascam US-2x2 Reference Manual Manual pdf 4 page image

4 TASCAM US-2x2/US-4x42 – Names and functions of partsFront panelw7 8 9 0 q1 2 3 4 5 671 2 3 4 5 68 0 q wUS-4x4 front panel US-2x2 front panel1 SIG indicatorsThe SIG indicators light green when signals (of at least −32dBFS) are input through the IN1/IN2 jacks (and US-4x4 IN3/IN4 jacks).2 PEAK indicatorsThe PEAK indicators light red when signals that are aboutto distort (−1 dBFS or higher) are input through the IN1/IN2jacks (and US-4x4 IN3/IN4 jacks).3 GAIN knobsUse to adjust the input levels of the IN1/IN2 jacks (andUS-4x4 IN3/IN4 jacks).Adjust these so that the PEAK indicators do not light red.4 USB indicatorThis lights when the USB connection is working.5 LINE OUT knobUse to adjust the output level of the LINE OUT 1-2 jacks.6 PHONES knobUse to adjust the output level of the PHONES jack ( 1 and2 jacks on US-4x4).CAUTIONBefore connecting headphones, minimize the volume withthe PHONES knob. Failure to do so might cause sudden loudnoises, which could harm your hearing or result in othertrouble.7 Phantom power switch/indicatorUse this switch to provide +48V phantom power to the IN1/IN2 jacks (and US-4x4 IN3/IN4 jacks).The indicator lights when the phantom power switch is setto +48V.CAUTION• Set the LINE OUT and PHONES knobs to their minimumvalues before changing the phantom power setting.Depending on the connected mics, sudden loud noises frommonitoring equipment could occur, and this could damagethe equipment or harm hearing.• The phantom power switch changes the setting for bothUS-2x2 input channels (all four US-4x4 input channels)simultaneously.• Do not connect or disconnect mics when the phantompower switch is set to +48V. Doing so could cause aloud noise and might damage this unit and connectedequipment.• Set the phantom power switch to +48V only when using acondenser microphone that requires phantom power.Turning phantom power +48V when a dynamic mic or othermic that does not require it is connected could damage thisunit and connected equipment.• When using condenser mics that require phantom powerand dynamic mics together, be sure to use balanceddynamic mics. Unbalanced dynamic mics cannot be usedwhen phantom power is enabled• Supplying phantom power to some ribbon mics will breakthem. If you are unsure, do not supply phantom power to aribbon mic.• If you connect this unit to a laptop computer that is runningon battery power and set the phantom power switch to+48V, the computer battery charge will be consumed morequickly.8 IN1/IN2 (BALANCED/UNBALANCED) jacksThese input jacks are XLR/TRS combo jacks on the US-2x2and separate XLR and standard TRS jacks on the US-4x4.Use the MIC/LINE INST switches on the front of the unit toenable balanced line (MIC/LINE) input or unbalanced (INST)input for the standard TRS jacks.When directly connecting a guitar, bass or other instrument,set the MIC/LINE INST switch to INST.9 IN3/IN4 (BALANCED) jacksThese XLR analog mic input and standard line level TRS jacksare balanced input jacks.NOTEOn the US-4x4, the IN1-IN4 (8, 9) inputs each have twojacks (XLR and TRS). Do not input signals through bothjacks of the same input at the same time. If signals areinput through both at the same time, neither signal will bereceived properly.0 MIC/LINE INST switchesSet according to the IN1/IN2 jack input sources.Set to MIC/LINE when connecting electronic instruments,audio devices, mics and similar equipment.Set to INST when connecting an electric guitar, electric bassor other equipment with high output impedance.q MONITOR BALANCE knobWhen recording input signals, use this to adjust themonitoring balance between the signals from this unit'sinput jacks and from the computer.The volume of signals input through this unit's input jacksincrease the more the MONITOR BALANCE knob is setto the left (INPUT) and signals output from the computerincrease the more this is set to the right (COMPUTER).This knob does not affect the recording level of inputsignals.