TASCAM US-2x2/US-4x4 134. Click “Settings” in the “Performance” sectionof the “Advanced” tab of the “SystemProperties” window.5. In the “Visual Effects” tab of the “PerformanceOptions” window, select “Adjust for bestperformance”.Windows 7a) Turn Aero off.1. Right-click the desktop and select “Person-alize”.2. Select a “Basic” or “High Contrast” theme.b) Performance settings1. Right-click “Computer” and select“Properties”.2. Click “Advanced system settings”.3. Click “Settings” in the “Performance” sectionof the “Advanced” tab of the “SystemProperties” window.4. In the “Visual Effects” tab of the “PerformanceOptions” window, select “Adjust for bestperformance”.Mac OS X1. Open “System Preferences…” from the Applemenu, and select “Energy Saver”.2. Set “Computer sleep” to “Never”.3. Set “Display sleep” to “Never”.NOTEDepending on the Mac OS X version andMacintosh computer model, this setting mightnot be available.8 SONAR LE supportOur company does not provide support for SONARLE.Please refer to the SONAR LE help menu for instruc-tions about using the application.8 Ableton Live Lite supportOur company does not provide support for AbletonLive Lite. Please refer to the Ableton Live Lite helpmenu for instructions about using the application.SpecificationsRatingsSampling frequencies44.1, 48, 88.2, 96 kHzQuantization bit depth16/24-bitAnalog inputsMic inputs (Balanced)US-2x2: IN 1-2US-4x4: IN 1-4Connectors: XLR-3-31 equivalent (1: GND, 2: HOT,3: COLD)Input impedance: 2.2 kΩRated input level (gain knob at MAX): −65 dBu(0.0004 Vrms)Rated input level (gain knob at MIN): −8 dBu(0.3090 Vrms)Maximum input level: +8 dBu (1.9467 Vrms)Gain range: 57 dBInstrument inputs (Unbalanced)IN 1-2(MIC/LINE INST switch set to INST)Connectors: 6.3mm (1/4") standard TS jacks(Tip: HOT, Sleeve: GND)Input impedance: 1 MΩ or moreRated input level (gain knob at MAX): −63 dBV(0.0007 Vrms)Rated input level (gain knob at MIN): −6 dBV(0.5015 Vrms)Maximum input level: +10 dBV (3.162 Vrms)Gain range: 57 dBLine inputs (Balanced)US-2x2: IN 1-2US-4x4: IN 1-4(MIC/LINE INST switch set to MIC/LINE)Connectors: 6.3mm (1/4") standard TRS stereojacks(Tip: HOT, Ring: COLD, Sleeve: GND)Input impedance: 10 kΩRated input level (gain knob at MAX):−53 dBu(0.0017 Vrms)Rated input level (gain knob at MIN): +4 dBu(1.228 Vrms)Maximum input level: +20 dBu (7.75 Vrms)Gain range: 57 dB