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driver. Note: If the "USB Composite Device" has already been installed then
Windows  will  skip  this  step.  This  will  occur  if  a  USB  audio  device  had
previously been installed in your system.

3. Windows will report that “USB Duo New Hardware” was found. When the

Add New Hardware Wizard reports that it wants to search for a driver for a
USB Composite Device, click "Next".

4. On the next screen select the "Search for the best driver for your device." item,

and then click "Next".

5. On the next screen, remove the check marks from all of the optional search

locations  except  "Specify  a  location."  Insert  the  included  Driver  CD,  click
“Browse,”  then,  on  your  computer’s  CD  drive,  locate  the  folder
“USB_AUDIO\DUO\WIN98SE.” Click "Next".

6. On the next screen, Windows will indicate it has found an updated driver for

this device.  Keep the updated driver selected and click "Next".

7. Windows  will  report  that  is  it  ready  to  install  the  driver.  Click  "Next"  to

continue.

8. Windows will process the files and then indicate it has finished installing the

software that your new hardware device requires. Click the "Finish" button.
You  will  need  to  repeat  this  step  as  many  times  as  Windows  finds  a  new
hardware device. By the time everything is finished you will have installed
the Duo’s Windows MME drivers, plus the ASIO and EASI drivers.

9. Windows might indicate it cannot find a file it is attempting to copy from the

Windows 98 CD. If so, insert your Windows 98 Second Edition CD, then use
the Browse button to point to this CD and continue.

10. Windows will process the files and then indicate it has finished installing the

software that your new hardware device requires. Click the "Finish" button.

Note:  At this point you might need to wait for several minutes while
Windows configures the hardware. Please be patient. 

11. Restart the computer after the installation is finished.

Hardware & Software Installation on the Mac

Here is a simple, step-by-step procedure for attaching and powering up the Duo
on the Macintosh Computer. The Duo comes with an installer program that will
place all driver components in their proper folders.

The installer program will give you a list of ASIO compliant programs that it

will  recognize  and  subsequently  install  the  appropriate  ASIO  driver  if  the
program exists on your system (that being said, it is a good idea to first install
your music program before installing the Duo drivers, though Duo drivers can be
installed  again  if  necessary).  Otherwise,  the  Duo  ASIO  drivers  (and  the
remaining ASIO drivers that have not been used) will be placed in a folder on
your  desktop  called  “Duo  ASIO,”  and  must  be  inserted  into  your  music
program’s ASIO folder manually, provided that your music program uses ASIO. 

1.   On  the  Driver  Disk  that  came  with  your  Duo,  locate  the  folder

“USB_Audio_Duo”  that  contains  the  USB  Duo  Installer  for  the  Macintosh.

9

Содержание Duo

Страница 1: ...ting the Gain 12 Phantom Power 13 Using the Pad Switch 13 Standalone Mode 13 Duo Operation on the PC 14 The USB Audio Configuration Manager 14 The Duo and the Windows Sound System 15 The Duo MME and Y...

Страница 2: ...Standard USB cable 9V AC 1 Amp Wall Wart power supply Quick Start Guide The USB Audio Duo is a powerful little device that you will find easy to use once you familiarize yourself with its many feature...

Страница 3: ...D 20dB pad available for each microphone input Multitrack recording and mixing using the convenience of your USB port PC drivers include Windows XP 2000 ME and 98SE ASIO EASI and WDM Mac drivers inclu...

Страница 4: ...one switch will connect the Mic and Line inputs directly to the analog Line Outs S PDIF output and the Headphone output Standalone mode allows for use of the Duo as a mic preamp and or analog to digit...

Страница 5: ...tputs will be unbalanced The Line Outs receive audio from one of two sources With the Standalone switch in the Out position the Line Outs receive audio from the computer s software outputs With the St...

Страница 6: ...Duo can be attached or unattached to your computer according to your needs The Duo is a 2x2 audio interface providing two channels of audio TO the computer and two channels of audio FROM the computer...

Страница 7: ...ble is for the computer and the other is the device end Find an appropriate spot on your desktop or work area for the Duo Windows XP Installation 1 Boot Windows XP with your M Audio USB Duo powered OF...

Страница 8: ...your computer s CD drive locate the folder USB_AUDIO DUO WINME Click Next 6 On the next screen Windows will indicate it has found an updated driver for this device Keep the updated driver selected an...

Страница 9: ...ndicate it cannot find a file it is attempting to copy from the Windows 98 CD If so insert your Windows 98 Second Edition CD then use the Browse button to point to this CD and continue 10 Windows will...

Страница 10: ...leeve Each of the Duo s 1 4 TS Direct In jacks are unbalanced and will accept an unbalanced 4dBu or 10dBV signal on 1 4 TS plugs The Duo provides two microphone inputs on balanced XLR connectors Eithe...

Страница 11: ...plugged into a monitoring system Using the Input and Output Level Switches Using the front panel Input Level and or the back panel Output Level switches you may change the operating line level for eac...

Страница 12: ...from the Duo when used in conjunction with a direct box or passive impedance transformer Plug in your mic or instrument with the gain controls turned down then turn the gain up incrementally while te...

Страница 13: ...is bypassed when this switch is in the out position Standalone Mode The Duo can also be used in a Standalone mode independent of your computer Pressing the Standalone switch on the front panel and lo...

Страница 14: ...computer are powered on Duo Operation on the PC The USB Audio Configuration Manager When the Duo drivers are installed a control panel is also installed into the System Tray on your Windows taskbar Th...

Страница 15: ...lly the Duo s ASIO EASI control panel can be launched from the USB Audio Configuration Manager This is very useful in certain circumstances and is covered in greater depth in the section ASIO EASI Con...

Страница 16: ...nd are not ASIO or EASI compliant The Duo s MME drivers use the WDM model which make them compatible with the latest software technology A music program such as Cakewalk s Sonar takes full advantage o...

Страница 17: ...toring and similar to monitoring the record inputs of a tape machine Note that in Windows XP 2000 and ME the WDM drivers will also install automatically and can achieve the same results with a program...

Страница 18: ...IO or EASI driver versions currently in use by the USB Audio Duo Below is a screenshot of the M Audio USB ASIO Driver panel with both pairs of input and output channels activated There are two section...

Страница 19: ...usic program In the Available Channel Sets dropdown list you may also select either Channels 1 2 In or Channels 1 2 Out The Duo will perform at 96kHz sampling rate with any single stereo pair enabled...

Страница 20: ...ve functions of other USB devices such as movements of a USB mouse may cause clicks in the audio during playback or recording If this occurs click on the Advanced tab and select High Note that the def...

Страница 21: ...the advantage of being able to monitor your source through the program similar to monitoring the record inputs of a tape machine with greatly reduced latency ASIO Control Panel and Operating Modes on...

Страница 22: ...of the USB bandwidth As a result the Maximum Sample Rate readout will change to 96000 Hz The Duo will perform at 96kHz sampling rate with any one of the stereo pairs enabled and with either the 16 or...

Страница 23: ...and devices such as print monitors or WinFaxes can cause interference with USB audio the resulting effect being clicks and pops in your audio performance The Duo requires a lot of the USB bandwidth so...

Страница 24: ...t it in the audio setup However if the Duo is not being recognized by the system then you will be told that no Duo is attached Check your USB connections and make sure that the Duo is powered up Probl...

Страница 25: ...o you on your drivers CD ROM There you will find FAQs Tips Tricks and How To Guides to walk you through installing your product as well as configuring it with some of today s most popular software app...

Страница 26: ...that a cellular signal can be clearly reached where you are calling from Sit back try to relax and then dial Our top notch technical support team will be ready to help you fix your problems Thank you...

Страница 27: ...requires repair because of user misuse or regular wear it will assess a fair repair or replacement fee The customer will have the option to pay this fee and have the unit repaired and returned or not...

Страница 28: ...Notes 28...

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