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Digigram UAX220 User Manual

Professional usb audio interface
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UAX220
Professional
USB Audio Interface
User's manual

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Summary of Contents for Digigram UAX220

  • Page 1 UAX220 Professional USB Audio Interface User’s manual...
  • Page 2 Digigram S.A. Parc de Pré Milliet, 38330 Montbonnot - FRANCE Tel: +33 (0)4 76 52 55 01• Fax: +33 (0) 4 76 52 53 07• E-mail: info@digigram.com Digigram Inc. 2101 Wilson Boulevard, Suite 1004, Arlington, VA 22201-USA Tel: +1 703 875 9100 • Fax: +1 703 875 9161 • E-mail: input@digigram.com Digigram Asia Pte Ltd.

  • Page 3: Table Of Contents

    While every effort has been made to ensure accuracy, Digigram is not responsible for errors and omissions, and reserves the right to make improvements or changes in the products and programs described without notice.

  • Page 4: Information For The User

    INFORMATION FOR THE USER This device complies with part of FCC rules. Operation is subject to the following two conditions: ( ) This device may not cause harmful interference, and ( ) This device must accept any interference received, including interference that may cause undesired operation.

  • Page 5: Important Notice

    FEATURES UAX220 is a stereo audio interface for USB ports (compatible with USB ports 1.1 and 2.0). It is fed via USB, and does not require any driver installation of (as it is compatible with the USB Audio specification 1.0).

  • Page 6: Main Software Features

    Mac OS X Linux HARDWARE INSTALLATION UAX220 installation Connect the UAX220 to the USB port (USB 1.1 or 2.0) of your computer. It will then automatically be detected by the operating system and its driver will also be automatically installed. SOFTWARE INSTALLATION Your UAX220 does not require any driver installation, because it meets the USB Audio 1.0 standard, which is supported by your operating system...

  • Page 7: How To Check The Installation

    UAX220 User’s manual HOW TO CHECK THE INSTALLATION Once the UAX220 is connected to the USB port of your computer, you can check the accessibility of its inputs/outputs as described hereafter. Under Windows Go to <Start> <Settings> <Control panel><Sound and Multimedia >.

  • Page 8: Under Mac Os X

    Under Mac OS X Go to the <System Preferences> <Sound>. The UAX will be displayed as follows. Under Linux The UAX220 parameters are accessible from the sound editing application of your choice.

  • Page 9: Level Controls

    User’s manual LEVEL CONTROLS The UAX220 provides level adjustment and mute controls on the outputs of the D/A converters. These controls are applied to both line and headphone outputs. By default, the output level of the D/A converter is set to maximum: a full scale digital signal of 0 dBfs is thus restored at +10 dBu.

  • Page 10: Control Panel Under Windows

    Control Panel under Windows To control the output levels of your UAX220, use the Volume Control application. To open this application, double-click onto the speaker icon in the Windows task bar. In case this icon is not displayed in the task bar, go to <Start>, <Settings>, <Control panel>, <Sound and Multimedia >.
  • Page 11 ‘Speaker’ volume control The fader ‘Speaker’ modifies the output level of the D/A converter of UAX220. This control applies to both line output and headphones. The check box ‘Mute all’ in the speaker section allows muting/unmuting the outputs of your UAX220.

  • Page 12: Sound Panel Under Mac Os X

    Sound panel under Mac OS X The fader ‘Output volume’ modifies the output level of the D/A converter of UAX220. This control applies to both line output and headphones. The check box ‘Mute’ allows muting/unmuting the outputs of your UAX220.

  • Page 13: Configuration

    UAX220 User’s manual CONFIGURATION UAX220 operates by default at an internal sample rate of 48 kHz. In case the files played back have a different sampling rate, the operating system performs a real-time frequency conversion. Under Windows XP (≥SP2) only, it is possible to modify the embedded firmware version of the UAX220 so that it accepts other internal sample rates: 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz.

  • Page 14: Specifications

    SPECIFICATIONS Configuration USB1.1 (compatible USB 2.0) Bus/Format Box: 90 x 81 x 22 mm (3,55 x 3,19 x 0,87'') Size USB cable: 2 m (~6.6 ft) Audio cables: 0.5 m (~1.65 ft) Power consumption 500 mA max, powered via USB Operating: temperature/humidity 0°C / +50°C •...

  • Page 15: Audio Specifications

    UAX220 User’s manual Audio specifications ∗ Sampling frequencies available A/D and D/A converter resolution 24 bits / 96 kHz Frequency response 20 Hz -20 kHz: ±0.2 dB Channel phase difference <0.2°/2° 20 Hz/20 kHz Input: >104 dBA Dynamic range Output: >103 dBA Input: <-98 dB...

  • Page 16: Appendices

    APPENDICES Schematic diagram Monitoring CLOCK GENERATION LINE IN LINE OUT 1 - 2 1 – 2 STREAMING CONTROLLER Level adjustement by software Headphones OUT Level adjustement by potentiometer XLR-3P Female Connector allocation XLR-3 Pin # Signal Ground Positive signal (‘hot pin’) Negative signal (‘cold pin’) XLR-3P Male Headphone connector:...

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