4 TASCAM US-2x2/US-4x4damaged in any way, such as power-supply cord orplug is damaged, liquid has been spilled or objectshave fallen into the apparatus, the apparatus hasbeen exposed to rain or moisture, does not operatenormally, or has been dropped.• The apparatus draws nominal non-operatingpower from the AC outlet with its POWER orSTANDBY/ON switch not in the ON position.• The mains plug is used as the disconnect device,the disconnect device shall remain readilyoperable.• Caution should be taken when using earphonesor headphones with the product becauseexcessive sound pressure (volume) fromearphones or headphones can cause hearingloss.• If you are experiencing problems with thisproduct, contact TEAC for a service referral. Donot use the product until it has been repaired.CAUTION• Do not expose this apparatus to drips orsplashes.• Do not place any objects filled with liquids, suchas vases, on the apparatus.• Do not install this apparatus in a confined spacesuch as a book case or similar unit.• The apparatus should be located close enoughto the AC outlet so that you can easily grasp thepower cord plug at any time.• If the product uses batteries (including a batterypack or installed batteries), they should not beexposed to sunshine, fire or excessive heat.• CAUTION for products that use replaceablelithium batteries: there is danger of explosionif a battery is replaced with an incorrect typeof battery. Replace only with the same orequivalent type.8 For European CustomersDisposal of electrical and electronicequipment(a) All electrical and electronic equipment should bedisposed of separately from the municipal wastestream via designated collection facilities appointedby the government or the local authorities.(b) By disposing of the electrical and electronicequipment correctly, you will help save valuableresources and prevent any potential negativeeffects on human health and the environment.(c) Improper disposal of waste equipment can haveserious effects on the environment and humanhealth as a result of the presence of hazardoussubstances in electrical and electronicequipment.(d) The crossed out wheeled dust binsymbol indicates that electrical andelectronic equipment must be collected anddisposed of separately from household waste.(e) The return and collection systems are available tothe end users. For more detailed information aboutdisposal of old electrical and electronic equipment,please contact your city office, waste disposalservice or the shop where you purchased theequipment.ContentsIntroduction ............................................................................5Included items .......................................................................5Note about the Reference Manual .................................5Precautions for placement and use ...............................5Using the TEAC Global Site ...............................................5Beware of condensation ....................................................5Cleaning the unit ..................................................................6User registration....................................................................6Names and functions of parts..........................................6Front panel ........................................................................................6Rear panel ..........................................................................................7Installing software for the unit ........................................7Installing the dedicated softwareand Settings panel for Windows.........................................7Installing the Settings Panel for Mac OS X ....................8Uninstalling the dedicated software................................9Connecting the power..................................................... 10Making settings on the Settings Panel screen ....... 10Connecting other equipment ....................................... 11Connecting with iOS devices ........................................ 11Adjusting the input sound ............................................. 11Troubleshooting................................................................. 12Specifications ...................................................................... 13Ratings................................................................................................13Analog inputs ................................................................................13Analog outputs ........................................................................... 14Control input/output ratings ............................................. 14Audio performance .................................................................. 14Computer system requirements .................................. 14Windows.......................................................................................... 14Mac OS X...........................................................................................15Apple iOS devices .......................................................................15Supported audio drivers ........................................................15General................................................................................... 15Dimensional drawings ..................................................... 16