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CD Rewritable Recorder
CD-RW4U USB Operation Guide
This section describes the operation of the CDRW4U when connected to a host computer using the
supplied USB cable.
For details of care of the unit, as well as general
information when using the CD-RW4U in audio
mode, please consult the Owner’s Manual, which
provides more details about the product.
For up-to-date details of the media recommended for
use with the CD-RW4U, consult your TASCAM
dealer, or visit the TASCAM Web site at
Read the sections immediately below for details of
how to set up and use the CD-RW4U with your computer system.
Macintosh system requirements
If the CD-RW4U is to be used with a Macintosh, the
following requirements must be met:
• The computer must be an iMac, iBook, G3 or G4
• The operating system must be Mac OS 9 or above.
PC/AT (Microsoft Windows systems) system requirements
The CD-RW4U can be used with the following
Microsoft operating systems:
• Windows 98 Second Edition (98 SE) – this requires
the supplied drivers to be installed.
• Windows Millennium Edition (Me) – no extra drivers are required
• Windows 2000 (any version) – no extra drivers are
The hardware requirements are as follows (Windows
98 SE and Windows Me):
Memory (RAM):
> 266MHz Pentium II
> 64MB
Also note that the computer must be fitted with a
USB controller that supports the Universal Host Controller Interface (UHCI) standard. Open Host Controller Interface (OHCI) support is not sufficient. See
below for details of how to check your system.
When using the CD-RW4U with Windows 2000 or Windows Me it is not necessary to install any drivers—the
operating system will automatically detect the CD-RW4U
and the appropriate CD drive icon will appear when the unit
is connected to the computer.
When using Windows 98 SE with the CD-RW4U, drivers
must be installed from the 3.5 inch diskette. supplied with
the unit.
Checking your USB controller
In order to check the type of USB controller fitted to
your system:
Windows 98 SE
Open the Control Panel (Start > Control
Open (double-click) the System icon.
Click the Device Manager tab.
Scroll down to the Universal Serial Bus Controllers section, and expand this by clicking
the + symbol.
Setup of the CD-RW4U for use in USB mode
Windows 2000
Open the Control Panel (Start > Settings >
Control Panel).
Open (double-click) the System icon.
Click the Hardware tab.
Click the Device Manager... button.
Scroll, if necessary, until you see the Universal
Serial Bus controllers icon, and expand this by
clicking the + symbol:
Setup of the CD-RW4U for use in USB mode
Turn on the computer
Connect the CD-RW4U to the power supply.
It will be in standby mode.
Press the MENU key (display shows MODE
> XXXX).
When the unit is in active USB mode and an active USB
connection is disconnected, the unit enters USB standby
mode. However, making or breaking the USB connection
when the unit is in active USB mode is not recommended,
as it may cause the computer system to become unstable.
Turn the MULTI DIAL so that the display
shows MODE >USB (dimmed).
Making or breaking the USB connection when the unit is in
audio mode (either active or standby) has no effect.
Press the MULTI DIAL.
Use the supplied USB cable to connect the
CD-RW4U to the computer.
In USB active mode, no front panel controls are operational, except the power/standby switch and the tray open/
close key.
The smaller square plug (B type) fits into the
rear of the CD-RW4U. The larger rectangular plug (A type) fits into either the computer’s USB port or a hub connected to the
computer’s USB port.
The unit turns on automatically, and the display shows USB MODE.
Also note that if an audio CD is being played by the unit in
USB mode using the computer’s CD player software, the
audio will not be output from the unit’s analog or digital
If you have set the unit to USB mode, but the computer is not turned on, you will not be able to exit
standby mode when you press the POWER key.
This means to open the tray to retrieve any CD or
CD-ROM which may be in there, you should turn on
the computer to activate the CD-RW4U.
The first time you connect the CD-RW4U to the computer
If the computer is running Windows 2000 or Windows Me, there is not need to install any drivers.
Read the README.TXT file on the diskette for upto-date details of the files contained on the diskette.
However, if your computer is running Windows 98
SE, you will need to use the diskette supplied with
the CD-RW4U.
Setup of the CD-RW4U for use in USB mode
When you first turn on the CD-RW4U, the computer
will show the Found New Hardware panel.
The system searches for the drivers on the
floppy diskette and displays this screen.
Click Next:
Click Next.
Select the Search for the best driver for your
device option and click Next.
Insert the diskette supplied with the CDRW4U into the computer’s diskette drive,
select the Floppy disk drives option on the
screen, and click Next:
10 The computer will install the drivers and
other software from the diskette. At the end,
the following screen appears:
11 Click Finish and remove the diskette from the
drive, keeping it in a safe place. The computer may perform a few other minor
“housekeeping” tasks. Wait until these have
finished before starting to use the CD-RW4U.
The drive letter (E:, etc.) that is used by the
operating system to identify the CD-RW4U
will usually be the one that immediately follows the last assigned drive letter.
If you cannot use the CD-RW4U and floppy disk drive together
With some smaller notebook computers, it may not
be possible to use the computer’s floppy disk drive at
the same time as the CD-RW4U. If this is the case,
you should take the following steps:
Connect the floppy disk drive, create a special folder on the hard disk and copy the contents of the CD-RW4U diskette to the folder.
Make a note of the folder location.
Proceed with the installation of the CDRW4U as described above (“The first time
you connect the CD-RW4U to the computer”
on page 3).
In step 3 of the installation procedure, select
the Specify a Location option, and enter the
location of the folder.
The installation will proceed, using the files
from the folder rather than the diskette.
Please note that this installation procedure, in common with other “non-standard” installation proce-
Disconnecting the CD-RW4U from the computer (Windows)
dures, may not always work under certain conditions.
No guarantee of its success can therefore be given.
Disconnecting the CD-RW4U from the computer (Windows)
Depending on the operating system you are running
on your computer, there are two different methods of
disconnecting the CD-RW4U from your computer.
Although the operating systems which support the
CD-RW4U also support “hot-plugging”, that is, you
do not have to turn off the power to the computer or
the CD-RW4U when plugging and unplugging the
CD-RW4U, you should still take note of the instructions here.
Do not disconnect and reconnect the unit, or turn it
on or off in quick succession. If you do, it is possible
that you can freeze or crash the computer system.
In all cases it is very important that you exit from all
programs that are accessing the CD-RW4U before
Windows 98 SE
In the case of Windows 98 SE, there is no need to
perform any special action to disconnect the CDRW4U once all programs using it have been closed.
Press the POWER key to put the unit into standby
mode, and unplug the USB cable connecting the CDRW4U to the computer.
Windows 2000 and Windows Me
When a removable device such as the CD-RW4U is
connected to the computer, an icon appears in the
system tray (at the bottom right of the toolbar).
Before a device can be removed safely from the system, you should click this icon, and click on the popup message which allows you to remove the device.
If a program accessing the CD-RW4U is still active,
a message will let you know this. Close all active
programs and try again.
For full details of how the operating system handles
removable devices, consult the documentation that
came with your operating system.
An appropriate message is shown if it is safe to
remove the device (that is, press the POWER key to
put the CD-RW4U into standby mode before unplugging it to disconnect it from the computer).
You should not reconnect the CD-RW4U too soon after disconnecting it from the computer. This will result in the operating system becoming “confused” and you may not be
able to use the CD-RW4U without restarting your computer. Wait for at least 10 seconds (preferably 20) between
disconnection and reconnection of the CD-RW4U and the
A few general notes and tips
• Although the CD-RW4U can accept single-sized
CD media (8 cm), do not use these discs for reading or writing when the unit is in the vertical orientation. Do not use an adaptor with the CD-RW4U.
• The CD-RW4U can be used in either a horizontal
or a vertical orientation. When in a vertical orientation, the disc tray should be on the right (that is, the
power switch is at the top of the unit). There are
four small feet that may be fitted on the side of the
unit, that should form the base (see “Siting, etc.” on
page 7 of the Owner’s Manual for full details).
• Also, when using the CD-RW4U in a vertical orientation, make sure that when you load a disc, the
Supplied software
disc is inserted under the hook at the front of the
• Do not change the CD-RW4U between the vertical
and horizontal orientations when a disc is loaded in
the tray.
“Busy” indicator
Unlike some CD-ROM or CD-RW drives, the CDRW4U contains no LED indicator to show drive
Instead, the rightmost character position of the display is used for this purpose. When the drive is
accessing (reading or writing) a disc, a * character
appears in this position momentarily.
Audio playback in USB mode
Although the CD-RW4U can play back audio CDs in
USB mode, you should note the following:
• The front panel controls of the CD-RW4U cannot
be used when the unit is in USB mode, with the
exception of the POWER key and the OPEN/
CLOSE key. The remote control unit will likewise
have no effect when the unit is in USB mode, All
playback control must be done using the software
on the computer.
• The CD-RW4U outputs (analog and digital) at the
rear of the unit cannot be used while the USB mode
is active. The headphone output is also disabled.
The audio data is passed through the USB cable to
the computer and may then be played through the
computer’s sound system.
Audio recording in USB mode
When the CD-RW4U is used in USB mode, it is not
possible to use either the analog or digital inputs to
receive audio data for recording.
When the CD-RW4U is recording audio in USB
mode, the USB connection is used to transfer digital
audio data from the source to the CD-RW4U.
Supplied software
The application software supplied with the CDRW4U allows you to record on CD-R and CD-RW
Refer to the documentation supplied with these programs for details of how to install them, and how to
use them with the CD-RW4U.
For Macintosh, the software is B’s Recorder GOLD
for Macintosh.
Register the programs online (after February 2001)
using the following Web address:
For Windows, the software is B’s Recorder GOLD
for Windows and B’s CLiP.
For assistance and support (after February 2001),
contact the software support center by e-mail at
Uninstalling the driver software (Windows 98 SE)
If you decide that you do not need to use the CDRW4U with your computer, you may run the uninstall program UnRwdrv.exe supplied with the CDRW4U.
Make sure that the CD-RW4U is disconnected from
the computer before uninstalling the software.
Simply double-click the program icon and click the
button to remove the software from your system.
If you have been using the CD-RW4U with a Windows 98
SE system and you subsequently upgrade to Windows Me
or Windows 2000, you must run this uninstall program
before performing the upgrade.
If you do not perform the uninstallation, the CD-RW4U will
almost certainly not work properly when the upgrade is
Trademarks and acknowledgements
Trademarks and acknowledgements
Microsoft, Windows, Windows NT, Windows 2000
are either registered trademarks or trademarks of
Microsoft Corporation in the US and/or other
Apple, Macintosh, iMac, iBook and Mac OS are
trademarks of Apple Computer, Inc., registered in the
U.S. and other countries.
All other trademarks or product names referenced
herein are trademarks or registered trademarks of
their respective owners.
You may experience some problems of data transfer
when using your CD-RW4U to write CD-R or CDRW discs at 4x or 2x speed. These problems are
caused by the relatively slow speed of data transfer
over the USB connection, especially when attempting an “on-the-fly” recording when going straight
from CD to recordable media.
your computer (or motherboard) if you are unsure
of this.
• Also, the USB controller should be a UHCI interface to work with the CD-RW4U. Follow the
instructions in “Checking your USB controller” on
page 2. If you are still unsure, contact the makers
of your computer.
Some ways in which this problem can be avoided:
If you encounter errors while writing to CD:
• Reduce the recording speed.
• Quit all background processes (e.g. screen-savers,
other applications) in order to reduce the load on
the USB system.
• It is recommended that no other USB activity takes
place while writing is being carried out.
• Ensure that all automatic playing of CD-ROMs or
audio CD is disabled.
• Rather than record data straight from another CD,
copy the data to hard disk first, and then make the
• If your computer is connected to a network, you
may disable the network while you are making the
• Always use the supplied USB cable to ensure optimum data transfer.
• Use only the CD-writing software supplied with
the CD-RW4U to ensure the best possible results.
• Only use the CD-R and CD-RW media recommended by TASCAM when recording using the
If the unit does not appear to be working at all, consider the following possible causes:
• Only the following operating systems support the
CD-RW4U: Windows 98 SE, Windows Me, Windows 2000, MacOS 9.
• It may be that the BIOS of your computer does not
support USB. You should contact the makers of
If you encounter errors when attempting 4x or 2x
writing operations:
• Use only the CD-writing software supplied with
the CD-RW4U to ensure the best possible results.
• Use only recommended media which is certified
for 4x writing.
• The ability to write CD media at 4x depends on
other factors (other software loaded, etc.). If in
doubt, you should run tests at the different speeds
to determine the capacity of your system.
If you are using a Macintosh system, and audio CDs
are ejected when you insert them into the CD-RW4U,
you should install the supplied software.
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