GN Audio USA A330 TRAVEL COMPANION User Manual TECOM CO

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Document ID	828905
Application ID	iZ0j3pPKCpIauG0ByZRbfQ==
Document Description	TECHNICAL MANUAL
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	20.75kB (259323 bits)
Date Submitted	2007-08-14 00:00:00
Date Available	2007-08-14 00:00:00
Creation Date	2007-07-30 18:42:32
Producing Software	Acrobat Distiller 7.0.5 (Windows)
Document Lastmod	2007-07-30 22:43:12
Document Title	TECOM CO
Document Creator	Acrobat PDFMaker 7.0.7 for Word
Document Author:	admin

Technical Manual
東訊股份有限公司
Tecom Co; Ltd
新竹市科學園區研發二路 23 號
23, R&D Road 2, Science-Based Industrial Park
Hsin-Chu Taiwan R.O.C.
1 Marketing Definition and Requirements
This section shall contain consolidation of the process in product marketing. It is
acceptable that spec can be a bit loose in this chapter but subsequent chapters leave no
room for loose specs.
1.1
General Description
The product is a Bluetooth-enabled USB audio device intended to be used as an accessory
for standard industry PCs. It is designed to work with BT headsets as long as they adhere to
the Bluetooth 1.2 specification supporting the headset Bluetooth profile and supports no
other BT function than bi-directional audio streaming (no support for other BT devices like
Keyboards, Mice, DFU etc.)
The product targets primarily the ingenuous consumer or first-time headset user who
appreciates a hassle free truly PnP solution which operates instantly without requiring
neither configuration nor any installation of software, driver etc.
1.1.1 Market Problem
Due to an increasing interest in convenient VoIP services on standard industry PCs, where
headsets are a prerequisite, there is a growing demand for inexpensive, easy to install and
easy to use cordless headsets solutions.
1.1.2 Product Problem
Originally BT headset intended to be used with Mobile phones supporting voice services
only. Existing BT implementations on PCs consist of built-in BT components or external
accessories, like USB dongles, with BT functions and additional BT SW. This PC BT
implementation compared to built-in BT in telephone handsets is much more complex
(normally supporting many more profiles), and more focused on data use instead of voice
services, even if those solutions are capable supporting, e.g. headset or handsfree profile.
1.1.3 Technology Problem
For BT support in a PC environment a BT Host protocol stack/SW needs to be operated on
the PC. This software needs to be installed, managed and launched by the user on the PC
before the headset can be paired and used for e.g. VoIP services. This kind of use is much
more complex and challenging for the user compared to the BT telephone
implementation/use case.
1.2
Key Features, Benefits and USPs
This section is informative. This is a list of new, essential and unique features which
differentiates the product.
Feature
Mono and Stereo capabilities on
same hardware platform
Ease of use
Benefit, explanation, comment
Core unit performs as a mono / voice solution .
Firmware is user upgradeable to additional
stereo operation. In this state the product
converts into a mono/voice plus stereo
streaming device depending on BT HS
capabilities (=Swan).
A330 (and Swan) is a truly PnP solution not
requiring any specific driver or installation of
dedicated software for basic operation. Even
though A330 is state of the art in terms of MS
Windows operating system (XP or higher)
support with MS standard USB and audio
drivers.
VoIP client / softphone support
Implementing the newly developed GN USB
standard the device will be compliant to the
Microsoft Unified Communications (UC)
standard. A variety of VoIP clients and/or
softphones using the current GN USB HID
commands (8120, 9300 series) will also
provide basic headset supported without
additional customization. The product is fully
compliant with GN’s PC software
developments and SDKs (Hector).
Other key functionality:
Auto pairing
•
Multiple pairing
•
•
Device enters into auto pairing mode on 1st
time use / connection
Possible to be paired with 6 devices at the
same time
Depending on firmware version to support
mono and mono / stereo (in the mix via
HS, HF, A2DP and AVRCP profile).
Table 1 - Key features
1.3
Features & Characteristics requirements
This section is based on the marketing product definition sheet. Details of how functions
shall operate must be presented in chapter 3. .
For details please refer to chapter 3 (functional requirements) and 4 (operational
requirements).
Functional
Physical
Characteristics
Connector
Size
Weight
USB xy
App. 70mm (L) x 18mm (W) x 8mm (H)
<10 g
Button key
Surface treatment
Materials – general
characteristics
Pairing button
No paint applied
Mid-range quality feel
Pairing button
Large, centered, tactile feeling, supporting
only pairing
Mechanical
features
MMI features
Controls buttons, etc.
Indicators - LEDs,
display, etc.
On, pairing,
connected
a.) 1xBlue LED
b.) 1xBlue LED
Connectors
USB connector
x-pin […]
Software features
Bluetooth specific
features
Applicable
standard
Profiles
1.2
Number of trusted
devices in the
trusted device list
USB device classes
• USB generic device
• USB Audio device
• USB composite device
• USB HID device
• USB Telephony device
• USB Keyboard device
Device fully supports latest specification
of GN USB standard. See also
‘GN USB overview and guidelines.doc’
a.) HS, HF
USB software
features
HID commands
Other software
features
Power-up
behaviour
Downloadable
software
First power up: goes into the pairing mode
Next power up: try to reconnect to the last
connected device for 1 min.
Software firmware updates and upgrades
possible via the USB port
RF
Power
Management
Bluetoth class 1 device
HS link management optimized maximum
headset standby / talk time
Performance
characteristics
Electrical, RF
Table 2 - Characteristics
Operational
Environmental
targets
Operating
temperature
Storage
temperature
Table 3 - Operational characteristics
-10 - +60
-30 - +80
2.1 Model name
Product
Product ID
Bluetooth PnP Audio USB Class1 Dongle
261-251509R
2.2 Firmware
A330 FW release 0.20
2.3 Hardware
2.3.1 Block Diagram
2.3.2 PCB Version
PN:
613-022648R
Ver: A
3.1 Physical Dimension and Component Placement
With USB connector: 51 mm x 14.05 mm
W/O USB connector: 35 mm x 14.05 mm
3.2 RF Design Specifications
Transmitter
20
Bluetooth
Spec
+4 ~ +20
≧16
dBm
dB
715
≤1000
kHz
-28
≤ -20
dBm
-35
≤ -40
dBm
-43
≤ -40
dBm
Δf1avg Maximum Modulation
165
Δf2avg Minimum Modulation
Δf2avg / Δf1avg
Initial carrier frequency
tolerance
148
0.9
Drift Rate
Drift (single slot packet)
Drift (five slot packet)
2nd Harmonic content
3rd Harmonic content
Min
Typ Max
Maximum RF transmit power
RF Power control range
20dB bandwidth for modulated
carrier
Adjacent channel transmit
power F= F0 ±2MHz
Adjacent channel transmit
power F= F0 ±3MHz
Adjacent channel transmit
power F ＞ F0 ±3MHz
16
18
>20
Unit
140<Δ
f1avg<175
≥ 115
≥ 0.80
kHz
≤ 15
±75
kHz
≤ 15
≤ 20
≤ 15
≤ 15
≤ -33
≤ -33
≤ 25
≤ 40
≤ -30
≤ -30
Typ
Max
<-85
-88
>-90
<-85
-88
>-90
<-85
-88
>-90
≥ -20
kHz
kHz/50
μs
kHz
kHz
dBm
dBm
Receiver
Frequency Min
2.402
GHz
Sensitivity at 0.1% BER for all 2.441
packet type
GHz
2.480
GHz
Maximum recived signal at 0.1% BER
Bluetooth
Unit
Spec
≤ -70
dBm
≥ -20
dBm
fine
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FCC/Industry
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This device complies with Part 15 of the FCC
Rules. Operation is subject to the following
two conditions: 1. This device may not cause
harmful interference; and 2. This device
must accept any interference received,
including interference that may cause
undesired operation. This equipment has
ENGLISH
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HS-52W_with_FCC&IC_notice.fm Page 10 Thursday, January 4, 2007 3:23 PM
ENGLISH
been tested and found to comply with the
limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection
against harmful interference in a residential
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.
However, there is no guarantee that
interference will not occur in a particular
installation. If this equipment does cause
harmful interference to radio or television
reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference
by one or more of the following measures:
Reorient or relocate the receiving antenna.
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 the dealer or an
experienced radio/TV technician for help.
NOTE: FCC Radiation Exposure Statement:
This equipment complies with FCC radiation
exposure limits set forth for an uncontrolled
environment. This transmitter must not be
co-located or operating in conjunction with
any other antenna or transmitter. NOTE:
Changes or modifications not expressly
approved by Nokia could void the user's
authority to operate the equipment.

---

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