TASCAM US-322/366 72 − Names and Functions of PartsTop panel1 INPUT 1 knobAdjusts the input level from the INPUT 1/L MIC connector orLINE/GUITAR jack.Turn all the way left to minimize the level and all the wayright to maximize it.Set so that the OL (overload) indicator does not light.2 INPUT 2 knobAdjusts the input level from the INPUT 2/R MIC connectoror LINE jack.Turn all the way left to minimize the level and all the wayright to maximize it.Set so that the OL (overload) indicator does not light.3 MON MIX knobIf the MODE switch on the bottom of the unit is set toMULTITRACK, adjusts the balance between the mix ofsignals input through this unit's input connectors and thesignal mix output from the computer.Turn all the way left toward INPUT to maximize the mixof signals input through this unit's input connectors (andminimize the signal mix output from the computer overUSB). Turn all the way right toward COMPUTER to maximizethe signal mix output from the computer (and minimize themix of signals input through this unit's input connectors).NOTEWhen the MODE switch on the bottom of the unit is set toSTEREO MIX, the MON MIX knob is disabled (the MON MIXon the mixer panel screen will not move left or right even ifthis knob is moved).4 PHONES knobAdjusts the PHONES jack output level.CAUTIONTurn the PHONES knob to the minimum volume beforeconnecting headphones. Failure to do so could cause suddenloud noises and damage hearing, for example.5 SIG indicatorsThe SIG indicators light green when a signal (of at least –30dBFS) is input to the corresponding INPUT 1/L or INPUT 2/Rchannel.The INPUT 1/L indicator is below the INPUT 1 knob, and theINPUT 2/R indicator is below the INPUT 2 knob.6 OL indicatorsThe OL indicators light red when a signal that is about todistort (–2 dBFS or higher) is input to the correspondingINPUT 1/L or INPUT 2/R channel.The INPUT 1/L indicator is below the INPUT 1 knob, and theINPUT 2/R indicator is below the INPUT 2 knob.7 MIC/LINE-GUITAR switchSet this according to what is connected to the INPUT 1/LLINE/GUITAR jack.Set this to GUITAR when connecting an electric guitar,electric bass or other instrument with high outputimpedance.Set this to MIC/LINE when connecting an electronicinstrument, audio equipment, microphone or other device.8 LINE OUT knobAdjusts the output level of the line output jacks (OUT 1/Land OUT 2/R).9 USB indicatorThis lights blue when the USB connection is normal.0 48V indicatorThis indicator lights red when the switch just below it is setto 48V (phantom power on).