GN Audio USA A335W BLUETOOTH CLASS 1 PLUG AND PLAY DONGLE User Manual

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Document ID	939433
Application ID	YMyNhW4gMJz/lirfSoOi8w==
Document Description	USERS MANUAL
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	12.33kB (154075 bits)
Date Submitted	2008-05-09 00:00:00
Date Available	2008-05-12 00:00:00
Creation Date	2008-04-17 18:17:48
Producing Software	Acrobat Distiller 8.1.0 (Windows)
Document Lastmod	2008-05-02 08:58:03
Document Title	Microsoft Word - User Manual.doc
Document Creator	PScript5.dll Version 5.2
Document Author:	queeni

A335W
USER 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 2.0+EDR specification supporting the headset Bluetooth profile than
bi-directional audio streaming.
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 head-free 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
(=Leopard). 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).
Leopard (and Swan) is a truly PnP solution not
requiring any specific driver or installation of
dedicated software for basic operation. Even
though Leopard 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
Other key functionality:
Auto pairing
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).
•
Device enters into auto pairing mode on 1st
time use / connection
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
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 (=Leopard)
b.) 1xBlue LED (=Swan)
Connectors
USB connector
Software features
Bluetooth specific
features
Applicable
standard
Profiles
BT 2.0+EDR
HS, HF
Number of trusted
devices in the
trusted device list
Normally 1 set
USB device classes
•
•
•
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
USB software
features
USB Audio device
USB composite device
USB Telephony device
Other software
features
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
Bluetooth PnP Audio USB Class1 Dongle – Leopard
Product ID
261-251531R
2.2 Firmware
Leopard FW release 0.08
2.3 Hardware
2.3.1 Block Diagram
2.3.2 PCB Version
PN:
613-022651R
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
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
13
15
>20
16
Bluetooth
Spec
+4 ~ +20
≧16
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
140<Δ
f1avg<175
≥ 115
≥ 0.80
≤ 15
±75
Drift Rate
≤ 15
≤ 20
Drift (single slot packet)
Drift (five slot packet)
2nd Harmonic content
3rd Harmonic content
≤ 15
≤ 15
≤ -33
≤ -33
≤ 25
≤ 40
≤ -30
≤ -30
Typ
Max
<-85
-88
>-90
<-85
-88
>-90
<-85
-88
>-90
≥ -20
Min
Typ Max
Unit
dBm
dB
kHz
kHz
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
Warning statements
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION
IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:
(1) THIS DEVICE MAYNOT CAUSE HARMFUL INTERFERENCE, AND
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE
THATMAY CAUSE UNDESIRED OPERATION.
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED
BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS COULD
VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT.

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