Black Box HS550A User manual

MAY 2001
HS550A
Computer USB Headset
Adapter
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax [phone]
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]

1
FCC AND IC STATEMENTS
FEDERAL COMMUNICATIONS COMMISSION
AND
INDUSTRY CANADA
RADIO FREQUENCY INTERFERENCE STATEMENTS
Class B Digital Device. This equipment has been tested
and found to comply with the limits for a Class B
computing device pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. However, there is no guarantee that
interference will not occur in a particular installation.
This equipment generates, uses, and can radiate radio
frequency energy, and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. If this
equipment does cause harmful interference to radio or
telephone reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference by one of
the following measures:
• Reorient or relocate the receiving antenna.

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COMPUTER USB HEADSET ADAPTER
• Increase the separation between the equipment
and receiver.
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
• Consult an experienced radio/TV technician for
help.
Caution:
Changes or modifications not expressly approved by the
party responsible for compliance could void the user’s
authority to operate the equipment.
To meet FCC requirements, shielded cables and power
cords are required to connect this device to a personal
computer or other Class B certified device.
This digital apparatus does not exceed the Class B limits for
radio noise emission from digital apparatus set out in the Radio
Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits
radioélectriques dépassant les limites applicables aux appareils
numériques de classe B prescrites dans le Règlement sur le
brouillage radioélectrique publié par Industrie Canada.

3
NOM STATEMENT
NORMAS OFICIALES MEXICANAS (NOM)
ELECTRICAL SAFETY STATEMENT
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más
allá a lo descrito en las instrucciones de operación. Todo otro servicio
deberá ser referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama,
sofá, alfombra o superficie similar puede bloquea la ventilación, no se
debe colocar en libreros o gabinetes que impidan el flujo de aire por los
orificios de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.

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COMPUTER USB HEADSET ADAPTER
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no
sea usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del
aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en
su desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.

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TRADEMARKS/SAFETY PRECAUTIONS
TRADEMARKS USED IN THIS MANUAL
Windows®is a registered trademark of Microsoft
Corporation.
Any other trademarks mentioned in this manual are
acknowledged to be the property of the trademark owners.
SAFETY PRECAUTIONS
Keep the microphone away from heat sources, such as
radiators, heat registers, and other similar appliances.
Keep the microphone away from liquids.
Protect the microphone from high humidity.
Keep the Computer USB Headset Adapter away from
children. The Adapter contains a cord and small parts that
pose a tangling and choking hazard.

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COMPUTER USB HEADSET ADAPTER
Contents
Chapter Page
1. Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 System Requirements . . . . . . . . . . . . . . . . . . . 10
3. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 Hardware Installation . . . . . . . . . . . . . . . . . . . 11
3.2 USB Composite Driver/Audio Device
Driver Installation . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2.1 USB Software Driver Installation . . . . . . 12
3.2.2 USB Human Interface Device
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.3 USB Audio Device Installation . . . . . . . . 22
4. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.1 Function Verification . . . . . . . . . . . . . . . . . . . 27
4.2 Microphone Adjustment . . . . . . . . . . . . . . . . 28
4.3 Speaker Volume Adjustment . . . . . . . . . . . . . 32

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CONTENTS
Chapter Page
5. Special Considerations for Speech-Dictation
Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6. Manual Installation. . . . . . . . . . . . . . . . . . . . . . . . 37
7. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 44

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COMPUTER USB HEADSET ADAPTER
1. Specifications
Microphone Volume Control: 22.5-dB range, 1.5-dB
steps, software controlled
Microphone Input: 0.25 Vrms (maximum)
Microphone Sensitivity: 12 Vrms full scale at maximum
volume
Speaker Volume Control: 46.5-dB range, 1.5-dB steps,
software controlled
Speaker Output: 1 Vrms (maximum)
Speaker Sensitivity: 3 Vpp (1 Vrms) output for a 1⁄4-full-
scale (digital word) input
Sampling Rate: Variable, controlled by host: 8 kHz,
11 kHz, 22 kHz, and 44 kHz
A/D Converter: 18-bit (sampling rate 8 kHz to 44 kHz)
D/A Converter: 18-bit (sampling rate 8 kHz to 44 kHz)
with integral filtering
Formatting: Supports 8-bit and 16-bit stream

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USB Compatibility: Isochronous high-speed device
(12 Mbps), compliant with USB General and Audio
Class
Software Drivers: Included in Windows®98 SE, Windows
2000, and Windows Me
USB Interface: Hard-wired 2-meter (6.6-ft.) cable with
Type A USB connector
Standards: FCC Part 15, Class B; CE; VCCI
Connectors: (1) USB Type A, (2) 3-5-mm phone plugs
([1] for microphone input, [1] for speaker output)
Power: From the interface
Size: 0.875"H x 1.875"W x 2.5"D (2.2 x 4.8 x 6.4 cm)
Weight: 2 oz. (57 g)
CHAPTER 1: Specifications

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COMPUTER USB HEADSET ADAPTER
2. Introduction
2.1 Description
Connect any existing computer headset into your
computer using the USB port with the Computer USB
Headset Adapter. It has a 6-inch (15.2-cm) pigtail with a
USB connector. The Adapter also has (2) 3.5-mm stereo
jacks to connect the microphone and audio for the
headset. With this adapter, you can use any
manufacturer’s headset instead of one with a fixed USB
connector. You don’t have to install new drivers. The
operating system will automatically detect the new
device and search for the generic driver.
2.2 Features
• Universal Serial Bus interface for audio headsets.
• Duplex (2-way) operation.
• Accommodates monaural or stereo output.
2.3 System Requirements
• Computer with Windows 98 SE, Windows 2000, or
Windows Me installed
• One available USB port

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CHAPTER 3: Installation
3. Installation
3.1 Hardware Installation
1. Plug the audio headset microphone and speaker
connectors (3.5-mm phone connectors) into the
appropriately marked jacks on the USB adapter
case. Individual multimedia microphones and
speakers may be connected in place of a headset,
if desired.
2. Connect the USB Headset Adapter to your
computer’s USB port. (It makes no difference
whether you do this before or after the computer
is powered up.) Once it is connected, the Window
Wizard will detect the device and automatically
launch the software driver.
NOTE
You will not need a CD or floppy disk during the installation.
Simply follow the simple step-by-step instructions.

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COMPUTER USB HEADSET ADAPTER
3.2 USB Composite Driver/Audio Device Driver Installation
3.2.1 USB S OFTWARE D RIVER I NSTALLATION
1. Once Windows detects the presence of the USB
Headset Adapter, it will automatically run the
“Add New Hardware Wizard” to configure the
device properly. See Figure 3-1.
Figure 3-1. Add New Hardware Wizard screen.
Add New Hardware Wizard
This Wizard searches for new drivers for:
USB Composite Device
A device driver is a software program that makes a hardware
device work.
CancelNext >< Back

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CHAPTER 3: Installation
2. Under the “What do you want Windows to do?”
menu, select “Display a list…,” and click Next to
continue. See Figure 3-2.
Figure 3-2. What Do You Want Windows to Do screen.
NOTE
If Wizard does not automatically detect the presence of the
USB Adapter, proceed to Chapter 6 and Chapter 7.
Add New Hardware Wizard
What do you want Windows to do?
Search for the best driver for your device.
(Recommended)
CancelNext >< Back
Display a list of all the drivers in a specific location so
you can select the driver you want.

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COMPUTER USB HEADSET ADAPTER
3. Wizard will prompt you to select the device driver.
On the menu below, make sure “Show compatible
hardware” and “USB Composite Device” are
selected. Click Next to continue. See Figure 3-3.
Figure 3-3. Selecting the Device Driver screen.
Add New Hardware Wizard
Select the manufacturer and model of your hardware device. If you have a disk that
contains the updated driver, click Have Disk. To install the updated driver, click
Finish
Cancel< Back Next >
Show compatible hardware
Show all hardware
Models:
Have Disk...
USB Composite Device (5-11-1998)

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CHAPTER 3: Installation
4. Wizard will now begin to install the software
driver. Click Next to continue. See Figure 3-4.
Figure 3-4. Installing the Software Driver screen.
Add New Hardware Wizard
Windows driver file search for the device:
USB Composite Device
Windows is now ready to install the selected driver for this
device. Click Back to select a different driver, or click Next to
continue.
CancelNext >< Back
Location of driver:
C\WINDOWS\INF\USBINF

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COMPUTER USB HEADSET ADAPTER
5. This completes the USB Adapter Windows driver
installation. Click Finish to complete the “USB
Composite Device” installation. The installation
will automatically proceed to “USB Human
Interface Device” installation. See Figure 3-5.
Figure 3-5. Completing the Driver Installation screen.
Add New Hardware Wizard
USB Composite Device
Windows has finished installing the software you selected that
your new hardware device requires.
Cancel< Back Finish

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CHAPTER 3: Installation
NOTE
This message below may appear depending on the current
setting of your system. You may select “Yes” to restart your
computer now. Windows will properly close all open files
and restart your computer. You may select “No” and
proceed to the next steps to complete the installation. But
you will need to restart your computer before using the USB
Adapter. See Figure 3-6.
Figure 3-6. System Settings Change screen.
To finish setting up your new hardware you must restart your computer.
System Settings Change
Do you want to restart your computer now?
NoYes

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COMPUTER USB HEADSET ADAPTER
3.2.2 USB H UMAN I NTERFACE D EVICE I NSTALLATION
1. Wizard will search for drivers for the USB Human
Interface Device. Click Next to continue. See
Figure 3-7.
Figure 3-7. Add New Hardware Wizard screen.
Add New Hardware Wizard
This Wizard searches for new drivers for:
USB Human Interface Device
A device driver is a software program that makes a hardware
device work.
CancelNext >< Back

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CHAPTER 3: Installation
2. Select “Display a list of all the drivers in a specific
location…,” and then click Next to continue. See
Figure 3-8.
Figure 3-8. What Do You Want Windows to Do screen.
Add New Hardware Wizard
What do you want Windows to do?
Search for the best driver for your device.
(Recommended)
CancelNext >< Back
Display a list of all the drivers in a specific location so
you can select the driver you want.