Edirol UA-20 Owner's Manual
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Edirol UA-20 Owner's Manual

24 bit digital usb audio/midi interface
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Owner's Manual
Before using this unit, carefully read the sections entitled: "USING THE UNIT SAFELY"
and "IMPORTANT NOTES" (pp. 2–4). These sections provide important information
concerning the proper operation of the unit. Additionally, in order to feel assured that
you have gained a good grasp of every feature provided by your new unit, Owner's
Manual should be read in its entirety. The manual should be saved and kept on hand
as a convenient reference.
Copyright © 2004 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without
the written permission of ROLAND CORPORATION.

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  • Page 1 Manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference. Copyright © 2004 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
  • Page 2 Refer all servicing to your retailer, the nearest Roland Service Center, or an autho- rized Roland distributor, as listed on the “Information” page. • Never use or store the unit in places that are: •...
  • Page 3 012d • Immediately turn the power off, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page when: • If smoke or unusual odor occurs • Objects have fallen into, or liquid has been spilled onto the unit;...
  • Page 4 (including padding) that it came in, if possible. Otherwise, you will need to use equivalent packaging materials. • Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions.

  • Page 5: Table Of Contents

    Recording from a keyboard... 48 Recording an analog signal from an audio device... 49 Recording a MIDI device ... 50 Digitally recording the output of the UA-20 on an MD... 51 Adjusting the audio latency ... 52 Using ASIO Direct Monitor... 53 Appendices ...

  • Page 6: Features Of The Ua-20

    Features of the UA-20 Thank you, and congratulations on your choice of the UA-20. The UA-20 is a USB audio interface that can be connected to your computer by a single USB cable, allowing you to record and play back audio data in high-quality digital form.
  • Page 7 * All product names mentioned in this document are trademarks or registered trademarks of their respective owners. * OMS is a registered trademark of Opcode Systems, Inc. * FreeMIDI is a trademark of Mark of the Unicorn, Inc. Features of the UA-20...

  • Page 8: Check The Contents Of The Package

    Use this to connect the USB connector of your computer with the USB connector of the UA-20. For details on connections and driver installation, refer to Getting Connected and Installing Drivers (Windows ➝ p. 12 or Macintosh ➝ p. 32).

  • Page 9: Names Of Things And What They Do

    Names of things and what they do fig.04-1 1. USB indicator This will light when you use the USB cable to connect the UA-20 to your computer, and the computer has recognized the UA-20. 2. USB connector Audio signals and MIDI signals can be transferred when the UA-20 is connected via a USB cable to your computer.
  • Page 10 USB cable that connects the UA-20 to your computer, and then re-connect the USB cable. On (Advanced mode) You can use the included UA-20 driver to record, play, and edit audio from your sequencer software or audio editing software with high quality and stable timing. Off (Standard Driver mode) Choose this mode if you are using software that uses the standard audio driver included with your operating system.

  • Page 11: Block Diagram

    Names of things and what they do Block diagram fig.04-3...

  • Page 12: Driver Installation And Settings (Windows)

    This is the operating mode when the rear panel ADVANCE (mode select) switch is ON. You can use the native driver included on the UA-20 Driver CD-ROM to record, play, and edit audio with high quality and stable timing. In Advanced mode, audio signals are transferred between the UA-20 and the computer at a bit depth of 24 bits and a sample rate of 44.1 kHz.

  • Page 13: Installing The Driver

    Installing the driver The installation procedure will differ depending on your system. Please proceed to one of the following sections, depending on the system you use. • Windows XP users...(p. 13) • Windows 2000 users...(p. 19) • Windows Me/98 users...(p. 24) ■...
  • Page 14 Specify the drive name for your CD-ROM drive. The SetupInf dialog box will appear. You are now ready to install the driver. Set the UA-20’s ADVANCE (mode select) switch to the ON position. If the screen indicates “Windows can perform the...
  • Page 15 Use the USB cable to connect the UA-20 to your computer. Near the task bar, your computer will indicate “Found New Hardware”. Please wait. The Found New Hardware Wizard will appear. Select “Install from a list or specific location (Advanced)”, and click [Next].
  • Page 16 Driver installation and settings (Windows) The Files Needed dialog box will appear. Input the following into the “Copy files from” field, and click [OK]. (drive name):\DRIVER\USB_XP2K * Specify the drive name of your CD-ROM drive. If the “What action do you want Windows to take?” (Step 4) setting was not set to “Ignore”, a “Hardware Installation”...
  • Page 17 If you changed the “Driver Signing Options” setting (p. 13, step 4), restore the setting to its previous state after restarting Windows. Log on to Windows using the same user account as the one used when the driver was installed. From the Windows start menu, choose Control Panel.
  • Page 18 Driver installation and settings (Windows) Giving priority to background services Crackling may occur in the sound if you omit making this setting. To ensure that audio and MIDI are processed smoothly, make the setting as follows. Open the System Properties dialog box. From the Windows start menu, choose Control Panel.

  • Page 19: Windows 2000 Users

    ■ Windows 2000 users Disconnect all USB cables except for a USB keyboard and USB mouse (if used). Open the System Properties dialog box. Click the Windows Start menu, and from the menu that appears, select Settings | Control Panel. In Control Panel, double-click the System icon.
  • Page 20 You are now ready to install the driver. Set the UA-20’s ADVANCE (mode select) switch to the ON position. Use the USB cable to connect the UA-20 to your computer. To check the drive name In the Windows desktop, double-click the My Computer icon.
  • Page 21 If the “File signature verification” (Step 4) setting was not set to “Ignore”, a “Digital Signature Not Found” dialog box will appear. If “File signature verification” is set to “Warn” Click [Yes]. Continue the installation. If “File signature verification” is set to “Block” Click [OK].
  • Page 22 Driver installation and settings (Windows) If you changed the “File signature verification” (p. 19) setting, restore the original setting after Windows restarts. After Windows restarts, log in to Windows as a user with administrative privileges, (such as Administrator). In the Windows desktop, right-click the My Computer icon, and from the menu that appears, select Properties.
  • Page 23 Enabling background processing In Windows 2000, make settings to enable background processing. If you fail to make this setting, you may experience interruptions in the sound. To ensure that MIDI and audio processing occurs smoothly, use the following procedure to make settings. Click the Windows Start menu, and from the menu that appears, select Settings | Control Panel.

  • Page 24: Windows Me/98 Users

    * In the explanatory example shown here, the drive name is given as “D:”. The drive name “D:” may be different for your system. Specify the drive name of your CD-ROM drive. Set the UA-20’s ADVANCE (mode select) switch to the ON position. To check the drive name...
  • Page 25 Use the USB cable to connect the UA-20 to your computer. The driver will be installed automatically. In the SetupInf dialog box, click [OK]. Next, make MIDI device and audio device settings. (➝“Driver settings” (p. 26)) Driver installation and settings (Windows)

  • Page 26: Driver Settings

    * For details on how to make settings for your software, you should also refer to the owner’s manual for your software. * If you are unable to select the UA-20 in the device settings of your software, it is possible that the UA-20 driver was not installed correctly. Please re-install the driver.

  • Page 27: Input/Output Device Settings

    ■ Input/output device settings If you will be using the Windows Media Player application with the UA-20, specify the input/output devices as follows. The method in which you make device settings will depend on the software you are using. For details, refer to the owner’s manual for your software.
  • Page 28 This completes the audio and MIDI input/output settings. Proceed to “Checking that you hear sound” (p. 31). EDIROL UA-20 EDIROL UA-20 EDIROL UA-20 MIDI OUT If the Sound and Multimedia icon is not displayed, click “Show all control panel options” in the frame at the...
  • Page 29 Specify the “MIDI output”. Add a check mark to [Single instrument], click [EDIROL UA-20 MIDI OUT] in the list, and click [Apply]. Close the Multimedia Properties dialog box. Click [OK] to complete the settings. This completes the audio and MIDI input/output settings.

  • Page 30: Software Settings

    Before you start up your software, use a USB cable to connect the UA-20 to your computer. If your software allows you to specify MIDI and audio input/ output settings, choose EDIROL UA-20. For details, refer to the owner’s manual for your software.

  • Page 31: Checking That You Hear Sound

    Windows functionality to play back the sample data provided on the included CD-ROM. Before you continue, connect headphones or monitor speakers to the UA-20 as described in “Basic use” (p. 45). Insert the CD-ROM into the CD-ROM drive of your computer.

  • Page 32: Driver Installation And Settings (Macintosh)

    This is the operating mode when the rear panel ADVANCE (mode select) switch is ON. You can use the native driver included on the UA-20 Driver CD-ROM to record, play, and edit audio with high quality and stable timing. In Advanced mode, audio signals are transferred between the UA-20 and the computer at a bit depth of 24 bits and a sample rate of 44.1 kHz.

  • Page 33: Mac Os X Users

    In the Driver (Mac OS X) folder of the CD-ROM, double- click UA25USBDriver. The display will indicate “Welcome to the EDIROL UA-20 USB Driver Installer”. Click [Continue]. The display will indicate “Select a Destination”. Click the drive in which the operating system is installed to select it, and then click [Continue].

  • Page 34: Input/Output Device Settings

    • Close your software before you unplug the UA-20’s USB cable. • Turn off the Sleep setting of your Macintosh. • The UA-20 will not work in the Classic environment of Mac OS X. Use it when the Classic environment is not running.

  • Page 35: Mac Os Settings

    Click Add Device. New external device will appear. Connect the ▼ and ▲ symbols (which signify the outputs and inputs) of the EDIROL UA-20 icon to those of the New External Device icon by using the mouse to drag between them.

  • Page 36: Mac Os 8.6 Or 9 Users

    If you install OMS or FreeMIDI after installing the UA-20 driver, you must install the UA-20 driver once again. If a UA-20 is already connected to your Macintosh when you install the driver, a message like the following will appear when the Macintosh is started up. Perform the steps described below as appropriate for the message that is displayed.
  • Page 37 Verify the Install Location, and click [Install]. fig.05-20 If a message like the following is displayed, click [Continue]. The other currently running applications will exit, and installation will continue. A dialog box will indicate Installation was successful. Click [Restart] to restart your Macintosh. Driver installation and settings (Macintosh)

  • Page 38: Setting The Driver

    OMS settings Set the UA-20 ADVANCE (mode select) switch to the ON position. Use the USB cable to connect the UA-20 to your computer. fig.oms-setting From the CD-ROM, drag the Driver E (Mac OS 9) - OMS Setting folder into...
  • Page 39 Choose “Open” from the File menu. From the OMS Setting folder that you copied in step 3, select the UA-20 file, and click [Open]. A screen like the one shown here will appear. From the Edit menu, select OMS MIDI Setup.
  • Page 40 MIDI connector icon, the cursor will change to a shape. If a MIDI sound module is connected to the UA-20’s MIDI OUT connector, click the MIDI connector icon shown in the diagram at the right. If you hear sound, the settings have been made correctly.
  • Page 41 Set the UA-20 ADVANCE (mode select) switch to the ON position. Use the USB cable to connect the UA-20 to your Macintosh. From the CD-ROM, drag the Driver E (Mac OS 9) - FreeMIDI Setting folder into the FreeMIDI Applications folder on the hard disk of your Macintosh to copy it there.
  • Page 42 Try mouse cursor will change to the shape of a keyboard. If a MIDI sound module is connected to the UA-20’s MIDI OUT connector, click the MIDI connector icon shown in the diagram at the right. If you hear sound, the settings have been made correctly.

  • Page 43: Installing The Asio Driver

    ■ Installing the ASIO driver You must install the UA-20 driver even if you will be using only audio on the UA-20. Be sure to install the UA-20 driver before you install the ASIO driver. (p. 36) This section explains how to install the ASIO driver that allows the UA-20 to be used by your sequencer software or audio editing software.
  • Page 44 Driver installation and settings (Macintosh) From the Driver E (Mac OS 9) - ASIO folder of the CD- ROM, copy [UA-20 ASIO1.0 16bit] to the ASIO Drivers folder of the ASIO-compatible software you are using (e.g., Cubase VST, Logic Audio, Digital Performer, Metro, or SPARK LE).

  • Page 45: Application Guide

    UA-20 application guide This section explains basic connections and data flow for the UA-20. Refer to the block diagram printed on the front cover of the manual as you read this section. * To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections.

  • Page 46: Recording A Guitar Or Bass

    UA-20 application guide Recording a guitar or bass When you play your guitar along with audio data from your computer to record your performance on a sequencer, only the guitar will be recorded on the computer. fig.guitar.e Turn on if you want to monitor.

  • Page 47: Recording From A Mic

    * Howling could be produced depending on the location of microphones relative to speakers. This can be remedied by: 1. Changing the orientation of the microphone(s). 2. Relocating microphone(s) at a greater distance from speakers. 3. Lowering volume levels. UA-20 application guide Signal flow Adjust the input level. Microphone...

  • Page 48: Recording From A Keyboard

    UA-20 application guide Recording from a keyboard Here’s how you can send a keyboard performance as audio data to your computer, and record it on sequencer software. fig.keyboard.e Turn on if you want to monitor. Keyboard The sound that is input to Input jack L(MONO) will be recorded on the left channel, and the sound that is input to R jack will be recorded on the right channel.

  • Page 49: Recording An Analog Signal From An Audio Device

    UA-20 If the UA-20 is connected as shown above to a device that outputs (“thru-s”) the input audio (such as a cassette player that is in recording mode), turning on the Input monitor switch will cause the sound to loop between the UA-20 and the other device, causing oscillation and producing an unexpectedly high volume.

  • Page 50: Recording A Midi Device

    Computer The MIDI messages from a MIDI keyboard connected to the MIDI IN connector can be sent via the UA-20 to sequencer software on your computer. The MIDI messages from the sequencer software on your computer can be sent for playback to a sound module connected to MIDI OUT.

  • Page 51: Digitally Recording The Output Of The Ua-20 On An Md

    * The UA-20 does not support audio formats of professional digital devices. On the UA-20, the input from the input jacks cannot be output directly to the Digital output connector. The Digital output connector will always output only the audio signal from the computer.

  • Page 52: Adjusting The Audio Latency

    UA-20 application guide Adjusting the audio latency When using the UA-20 in Advanced mode, you can change the driver settings to adjust the latency of the audio. To adjust the latency, change the Buffer Size in the driver settings dialog box.

  • Page 53: Using Asio Direct Monitor

    The Driver Settings dialog box will appear. * In Windows XP, click “Switch to classic view” to switch the display to the classic view. EDIROL UA-20 icon will not be displayed unless the classic view is selected. In Windows Me, click “View all Control Panel options.”...

  • Page 54: Appendices

    Install the UA-20 driver once again as described in “Driver installation and settings (Windows)” (p. 12). Is the UA-20 connected correctly? Make sure that you have used a USB cable to correctly connect the UA-20 to the USB connector of your computer. Could other USB devices be connected? When installing, all USB devices other than the UA-20 should be disconnected from your computer.
  • Page 55 The driver cannot be installed unless the USB connector is enabled. Does your computer or USB hub have a sufficient power supply? If you are using bus power, the UA-20 cannot be connected if insufficient power is being supplied to it. Check whether the following cases might apply.
  • Page 56 Did you connect the UA-20 to a different USB connector than the one you used when installing the driver? If your computer or USB hub has two or more USB connectors, and you connect the UA- 20 to a USB connector to which you have not previously connected it, this dialog box may appear even though you have already installed the driver.
  • Page 57 Have you specified the audio and MIDI data output destination in the operating system? Depending on the software you are using, you may need to specify the UA-20 as the audio data output destination for your computer. For details on this setting, refer to “Driver settings”...
  • Page 58 Have you specified the audio data output destination in your playback software? You need to make settings in your software to select the UA-20 as the destination for the output of audio data. For details on how to make this setting, refer to the owner's manual for the software you are using.
  • Page 59 Did you specify the correct audio data input source within the operating system? Depending on the software you are using, you may need to specify the UA-20 as the audio data input source for your computer. For details on this setting, refer to “Driver settings”...
  • Page 60 Appendices Noise or pops are heard when recording/ playing on your computer Noise is heard during audio playback Pops/clicks occur during audio playback Noise is heard in the recorded sound In Windows, did you make the setting described in “Giving priority to background services”? In order to ensure that audio/MIDI processing occurs smoothly, make the setting described in “Giving priority to background services.”...
  • Page 61 Are you using a USB device in addition to the UA-20? Try switching off USB audio devices other than the UA-20. If you have connected the UA-20 to an external USB hard disk, please connect the UA- 20 directly to a USB connector on the computer itself.
  • Page 62 If a MIDI sound module with a USB connector is connected via USB to the same computer as the UA-20, and the output of the MIDI sound module is connected to the input jacks of the UA-20, noise from the computer may be heard via the MIDI sound module from the UA-20.
  • Page 63 While you were using the UA-20, could your computer have performed a task with a heavy processing load, such as accessing a CD-ROM drive or network? If a heavy processing load occurs while the UA-20 is being used, it may not work correctly. In this case, stop playback/recording, and then start playback/recording once again.
  • Page 64 Has a mic or guitar been left connected? If a mic or guitar is connected to the UA-20, disconnect the mic or guitar and turn the input volume knob all the way toward the left (lowering the input level).
  • Page 65 A substantial amount of noise is present in the guitar sound Does the noise decrease when you turn down the volume of your guitar? If the noise decreases when you turn down the volume of your guitar, the guitar pickup may be affected by noise from your computer or display.

  • Page 66: Installing The Os-Standard Driver

    Place the UA-20’s ADVANCED (mode select) switch in the OFF position. Use the USB cable to connect the UA-20 to your computer. The UA-20 will be detected automatically, and the driver will be installed If you are using Windows XP, the installation has been completed when the message near the taskbar saying that “Found New Hardware”...
  • Page 67 This unit is equipped with a protection circuit. A brief interval (a few seconds) after connecting a USB connector is required before the unit will operate normally. Windows will detect the UA-20, and the “Add New Hardware Wizard” dialog box will appear.
  • Page 68 3. Place the UA-20’s ADVANCED (mode select) switch in the OFF position. 4. Use the USB cable to connect the UA-20 to your computer. This unit is equipped with a protection circuit. A...
  • Page 69 If you have installed the Standard driver, the UA-20 can use the Windows volume control to adjust the output volume. You will be able to use the UA-20 at the best audio quality if you set the Volume Control volume to the maximum setting.
  • Page 70 Appendices When playing audio CDs from the computer’s internal CD- ROM drive, or using the UA-20 to play game music (Standard driver mode only) Windows XP/2000 users: Open the System Properties dialog box. Select Start | Settings | Control Panel, and in the Control Panel, double-click the System icon.
  • Page 71 • If your software allows you to make audio input/output settings, choose UA-20. For details, refer to the owner’s manual of the software you are using. • Use a USB cable to connect the UA-20 to your computer before you start up your software.
  • Page 72 Wait for approximately five seconds. UA-20 uses a driver included with Mac OS. While you are waiting, the screen display will not change, but the UA-20 is being detected. Do not touch the mouse or keyboard. In order to check that detection has been completed, once again go to “Apple System Profiler”, and select “Update all information”...
  • Page 73 With the volume turned down on the UA-20 and on your peripheral audio equipment, click [Start Test]. Test signals will be output from the UA-20; left first, then right, as indicated in the screen. The output volume of the UA-20 cannot be adjusted with the Mac OS sound dialog box.

  • Page 74: Main Specifications

    Main Specifications UA-20: USB Audio/MIDI Interface ● Number of Audio Record/Playback Channels Record: 1 pair of stereo Playback: 1 pair of stereo Full duplex ● Signal Processing PC interface: 24 bit ● Sampling Rate Digital output: 44.1 kHz ● Nominal Input Level -45 –...
  • Page 75 Type of Equipment : Responsible Party : Address : Telephone : NOTICE AVIS UA-20 USB Audio/MIDI Interface Roland Corporation U.S. 5100 S. Eastern Avenue, Los Angeles, CA 90040-2938 (323) 890 3700 For EU Countries For the USA For Canada For the USA...
  • Page 76 Information When you need repair service, call your nearest EDIROL/Roland Service Center or authorized EDIROL/Roland distributor in your country as shown below. HONG KONG Parsons Music Ltd. 8th Floor, Railway Plaza, 39 EUROPE Chatham Road South, T.S.T, EDIROL (Europe) Ltd.

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