Yamaha USB Audio Driver for Mac OS X Installation Guide

• This software and Installation Guide are the exclusive copyrights of Yamaha Corporation.

• Copying of the software or reproduction of this Installation Guide in whole or in part by any means is expressly forbidden without

the written consent of the manufacturer.

• Yamaha makes no representations or warranties with regard to the use of the software and documentation and cannot be held

responsible for the results of the use of this Installation Guide and the software.

• The screen displays as illustrated in this manual are for instructional purposes, and may appear somewhat different from the

screens which appear on your computer.

• Future upgrades of application and system software and any changes in specifications and functions will be announced

separately.

• Steinberg and Cubase are the registered trademarks of Steinberg Media Technologies GmbH.

• Apple, Mac and Macintosh are trademarks of Apple Inc., registered in the U.S. and other countries.

• The company names and product names in this manual are the trademarks or registered trademarks of their respective

companies.

• Copying of the commercially available musical data including but not limited to MIDI data and/or audio data is strictly prohibited

except for your personal use.

Yamaha USB Audio Driver is designed for transfer of audio data between a Yamaha hardware product and a computer.

Compared to the audio driver that comes with the Mac OS X, using this driver reduces noise and enables you to perform

recording more smoothly.

Information

Yamaha USB Audio Driver

Precautions when using the [USB] terminal

When connecting the computer to the [USB] terminal, make sure to observe the following points. Failing to do so risks

freezing the computer and corrupting or losing the data. If the computer or the instrument freezes, restart the

application software or the computer OS, or turn the power to the instrument off then on again.

NOTICE

• Use an AB type USB cable of less than about 3 meters.

• Before connecting the computer to the [USB] terminal, exit from any power-saving mode of the computer (such as suspend,

sleep, standby).

• Before turning on the power to the instrument, connect the computer to the [USB] terminal.

• Before turning on/off the device or plugging/unplugging the USB cable, quit any open application software on the computer.

• While the computer is connected to the instrument, you should wait for six seconds or more between these operations: (1)

when turning the power of the instrument off then on again, or (2) when alternately connecting/disconnecting the USB

cable.

Yamaha USB Audio Driver for Mac OS X

Installation Guide

Yamaha USB Audio Driver for Mac OS X Installation Guide

This section shows you how to install the Yamaha USB Audio Driver. The displayed windows and messages may differ

depending on the particular OS version.

NOTE

• You are only permitted to use this software pursuant to the terms and conditions of the “License Agreement” shown during the

installation.

• If the same software components have already been installed in your computer, you can use the same procedure as described in the

installation instructions here to update the software.

1 Disconnect all USB devices from the computer except for the mouse and computer keyboard.

2 Start the computer and log on to the Administrator account.

Exit any open applications and close all open windows.

To confirm that the Administrator account is available, select [System Preferences], then [Account].

3 Extract the data from the downloaded compressed file.

4 Double-click on “Yamaha USB Audio Driver V***.pkg.”

*** represents the version number.

Follow the on-screen instructions.

NOTE

• Depending on your computer OS, the “Authenticate” window (or one similar to it) will be displayed, prompting you to enter a

password. Enter the password for the Administrator’s account. If you have not set the password, click [OK] or [Install Software]

without entering the password.

• Installation may fail if a newer version has already been installed in the computer or the computer does not meet the requirements.

In this case, select [Installer]  [Quit Installer] in the menu bar to quit the Installer.

5 When installation is completed, a window appears prompting you to restart the computer. Click

[Restart] to restart the computer.

You can confirm whether the driver has been installed correctly or not by checking the following locations:

/System/Library/Extensions

YamahaUSBAudio.kext

NOTE

• If the folders above are not displayed in the Finder, select [Go to Folder…] under the [Go] menu of the Finder, input the folder

locations, and then click [Go].

6 Set all device controls that adjust output levels to the minimum.

7 To enable the USB Audio Driver for use with the DAW software, connect the device to the computer

then select “Yamaha USB” (for Cubase series) as the Audio Device.

Installing the Driver

Yamaha USB Audio Driver for Mac OS X Installation Guide

1 Disconnect all USB devices other than the mouse and keyboard from the computer.

2 Start the computer and log in to the Administrator account.

Exit any open applications and close all open windows.

3 After the downloaded compressed file is properly extracted, double-click on “Uninstall Yamaha USB

Audio Driver.”

4 Click [Run] when the “Welcome to the Yamaha USB Audio Driver uninstaller.” window appears.

After that, follow the on-screen instructions to uninstall the software.

5 After completing the uninstallation, an “Uninstallation completed” window appears.

Click [Restart].

6 When the message prompting you to restart your computer appears, click [Restart].

Uninstallation of the Yamaha USB Audio Driver is now complete.

Uninstalling the Driver

Yamaha USB Audio Driver for Mac OS X Installation Guide

Driver cannot be installed

• Is the window indicating “Install” shown on the display, or is the computer in process of restarting?

This may be no problem since it may take a few minutes until the next indication appears during installation.

• Does the computer you are using meet the minimum system requirements?

If the computer does not meet the system requirements, the driver cannot be installed.

Refer to “System Requirements for software” in the included Release Notes.

Driver cannot be selected

• Is the device properly connected to a computer?

Try quitting the application software that is using the USB Audio driver, disconnect the cable, then connect it to the

terminal again.

• Make sure the device is powered on.

If not, power-on the device.

There is no sound

• Is the driver correctly set?

Confirm the driver setting (page 2). When using Cubase series software, select [Devices] menu  [VST Connections],

and make sure that “Yamaha USB” is selected at the Audio Device column and “Yamaha USB L” and “Yamaha USB R”

are selected at the Device Port column on the Inputs tab, while “Yamaha USB” is selected at the Audio Device column

and “Yamaha USB 1” and “Yamaha USB 2” are selected at the Device Port column on the Outputs tab.

• Is the device properly connected to a computer?

Try quitting the application software that is using the USB Audio driver, disconnect the cable, then connect it to the

terminal again.

• Make sure the device is powered on.

If not, power-on the device.

• Is the volume setting appropriate?

Set the volume appropriately for the device and the application.

The sound is intermittent or noise is audible

• Is the buffer size setting appropriate?

Set a larger buffer size on the DAW software.

• Are other applications running?

Be sure to quit all applications you are not using.

• Is a power-saving function on?

Make sure that all power-saving functions are turned off.

• Is any other application running and using this driver?

Be sure to quit all applications you are not using.

• Could an excessive load be applied to the driver?

This problem may be solved by restarting the DAW software you are using.

• Could you be using a USB hub?

Connect the device directly to the USB terminal of the computer, without the use of a USB hub.

Troubleshooting

C.S.G., Pro Audio Division

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