Bishop
Product Requirement Document
PHORUS-BIS-PRD-0001
April 12, 2011
Revision 9
Confidential - Do Not Distribute Revision 9 page 1 of 20
Document Change Summary
Date:
Revision:
Changes:
Author:
08/28/10
X1
Initial Release
DL
09/17/10
X2
Revised with new block diagram
DL
09/19/10
X3
Inserted ID, and BT RX requirem ents.
Updated codename.
DL
09/21/10
X4
Erroneous battery charging was removed
DL
09/22/10
X5
Added subwoofer out.
Specified 2 transducer configuration
DL
11/23/10
X6
Added rechargeable battery attachment.
rechargeable battery and wireless module.
DJ
03/20/11
X7
Updated Power/LED status section
Added remote control button layout
DJ
03/29/11
X8
Updated document format
summary
D O’Brien
04/12/11
X9
Bluetooth LED changed to single color Blue.
minor updates.
D O’Brien
Removed hotkey.
Removed subwoofer out.
Specified bi-color LEDs for system status and
power/battery indication.
Revised hardware block diagram to include
Minor changes per LTC request
Updated block diagram
Moved LED feedback to UI spec
Empty Bluetooth section removed from st ate
Aux Input LED changed to single color White.
USB cable length changed to 12”. Other
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Table of Conte nts
Table of Contents .......................................................................................................................................... 3
1 Document Scope ........................................................................................................................................ 4
1.1 Definition of Terms .............................................................................................................................. 4
1.2 Notation ............................................................................................................................................... 4
1.3 Highlight Color Codes.......................................................................................................................... 4
2 Applicable Documents ............................................................................................................................... 5
2.1 Reference Design Documents ............................................................................................................ 5
2.2 Order of Precedence ........................................................................................................................... 5
3 Product Overview ....................................................................................................................................... 6
3.1 Features List ........................................................................................................................................ 6
3.2 What is in the Box ................................................................................................................................ 6
4 User Interface (UI) ...................................................................................................................................... 7
4.1 Input Methods ...................................................................................................................................... 7
5 Localization ................................................................................................................................................ 8
5.1 Product SKUs ...................................................................................................................................... 8
5.2 Languages ........................................................................................................................................... 8
6 Hardware .................................................................................................................................................. 10
6.1 Mechanical Arrangement / Industrial Design .................................................................................... 11
6.2 Rear Panel ......................................................................................................................................... 11
6.3 Front Panel ........................................................................................................................................ 12
6.4 Printed Material ................................................................................................................................. 13
6.5 Serviceability ..................................................................................................................................... 13
6.6 Recyclability ....................................................................................................................................... 13
7 Features ................................................................................................................................................... 14
7.1 System Features ............................................................................................................................... 14
8 Product Options Matrix ............................................................................................................................. 17
9 State Summary ........................................................................................................................................ 17
9.1 Power On/Off/Standby....................................................................................................................... 17
9.2 Power Transitions .............................................................................................................................. 17
9.3 Volume States ................................................................................................................................... 17
9.4 Mute State ......................................................................................................................................... 17
10 Technical Requirements ........................................................................................................................ 18
10.1 Power .............................................................................................................................................. 18
10.2 Audio ............................................................................................................................................... 18
10.3 DSP ................................................................................................................................................. 19
10.4 Acoustical ........................................................................................................................................ 19
10.5 Testability ........................................................................................................................................ 20
11 Environmental and Reliability Requirement s ......................................................................................... 20
12 Certification and Agency Compliance .................................................................................................... 20
12.1 Intellectual Property Certification s ................................................................................................... 20
12.2 Safety Compliance .......................................................................................................................... 20
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Color:
Meaning:
Blue Highlight
Indication of changes since the last revision
Green Highlight
Known open issues needing further clarification
Purple Highlight
Questions or notes for reviewers
Red Highlight
Incomplete sections
Gray text with strikethrough
Deleted sections
1 Document Scope
This document describes in engineering developm ent terms the definition of Bishop. This document will
define the engineering platform with enough detai l to meet the initial product concept while n ot
constraining the execution team on specif ic i ntricate design details.
This document is also a description of the functional behavior with sufficient detail in order to achi eve an
accurate quotation, begin writing user guides and to begin developing test methods.
1.1 Definition of Terms
Shall – Term indicates a required element, e.g., "the uni t shall play MP3 files".
Should – Term indicates a suggestion or preference, e.g., "the unit should attempt to read ID3V1 tags".
May – Term indicates an allowance, e.g., "the unit may play FLAC files".
Will – Term indicates a statement of fact. This is typically information used for clarity, such as "the unit
will be sold in France".
1.2 Notation
Requirements are divided into sub-sections based on system division and implementation conventions.
Each requirement is labeled as [Rx], where ‘R’ represents the ‘Requirement’ and ‘x’ marks the serial
number of each requirement.
1.3 Highlight Color Codes
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Phorus Reference Documentation
Reliability Test Specification
Idle Noise Test Procedure
Transition Noise Test Procedure
User Interface Specification
Industrial Design Screen Print Specification
Remote Control Art
Mechanical Documents
Colors, Materials and Finishes (CMF)
Drivers
HiBox MS-203 Design Specification
Reference Specifications
Bluetooth.org Qualification Program Ref erence Document V1.0
Bluetooth.org Advanced Audio Distribution P rofile Specification V1.2
Bluetooth.org White Paper on Usage of Mult i pl e Headphones V1.0RC5
2 Applicable Documents
2.1 Reference Design Documents
The following documents form a part of this sp ecification. Each utilized and referenced do cument shall be
the most recent released issue.
2.2 Order of Precedence
In the event of a conflict between this specification and the references cited herein, the order of
precedence shall be this specification, then any Phor us reference documents, and finally any appendic es.
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Item:
Requirement:
Bishop
Mandatory
AC Power Supply
Mandatory
Interchangeable Plugs
Highly Desirable for EMEA
(First SKU: Fixed pin for USA)
9” 12” USB A to USB mini
Cable
Mandatory
9” 12” USB A to USB micro
Cable
Mandatory
Owner’s Manual
Mandatory
Warranty Card
Mandatory
3 Product Overview
3.1 Features List
[R1]. Optimized acoustics with DSP and Class D amplifier
[R2]. Minimum 7.5W per channel power amplificat i on
[R3]. Two Transducers: HiBox MS-2003
[R4]. Bluetooth A dvanced A udi o Distribution Profile (A2DP) sink for wireless stereo audio streaming
[R5]. Use of SBC audio codec for, for A2DP
[R6]. Availability of apt.x AAC codec is highly desirable
[R7]. Support pairing with a minimum of 8 devices
[R8]. On board power and volume +/- buttons
[R9]. System status LED (bi-color: White, Amber)
[R10]. Bluetooth status LED (single color: Blue)
[R11]. Aux input status LED (single color: White)
[R12]. Aux Input (3.5mm Stereo Mini)
[R13]. World Wide Switching power supply technology (First SKU: USA)
[R14]. Low standby power (<0.5W) EuP Requ i rement 2013
[R15]. USB charging of external devices while in AC operating mode
[R16]. Expansion port for docking optional rechargeabl e battery pack
[R17]. Firmware update via USB
3.1.1 Product Description
Bishop is a desktop Bluetooth speaker system, has a high level of performance in the portable des kt op
category, operates on AC power and offers wireless connectivity to any Bluetooth-enabled medi a device.
3.2 What is in the Box
[R18]. The following are the accessories that are included with the product.
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4 User Interface (UI)
4.1 Input Methods
4.1.1 Buttons
[R19]. Power: ON/OFF
[R20]. Volume Down
[R21]. Volume Up
[R22]. Reset
[R23]. Bluetooth Control
[R24]. Aux Input Control
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4.1.2 Remote Control
[R25]. Dock shall have an IR receiver, able to receive RC5 NEC codes.
[R26]. Transmission distance shall be 20 feet (7 m).
4.1.3 User Input Feedback Methods
[R27]. LEDs (The functionality of the LEDs can be found here)
[R28]. Audible Sounds for connect and disconnect
5 Localization
[R29]. This product shall be engineered such that localization involves the fewest possible variables.
5.1 Product SKUs
[R30]. The product shall have the following SKUs. These SKUs are differentiated by the power supply
plugs. (see section 9.1).
[R31]. Americas (Suffix: AM) – Fixed US Plug
[R32]. EMEA (Suff ix: EU) – two replac eabl e plugs: UK and EU (Highly desirable)
5.2 Languages
[R33]. The following languages are required for t he beauty carton (Except Japan SKU):
a. English
b. French (Français)
c. Spanish (Español)
d. German (Deutsch)
e. Dutch (Nederlands)
f. Italian (Italiano)
[R34]. The following languages are required for t he owner’s manual (approx 8 pgs/language):
a. English
b. French (Français)
c. Spanish (Español)
d. German (Deutsch)
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e. Dutch (Nederlands)
f. Italian (Italiano)
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6 Hardware
Figure 1: Main System Block Diagram
Figure 2: Rechargeable Battery Module
NOTE: I2S may require routing topology t o support all use cases:
1. BT to Phorus Wireless Module
2. Phorus Wireless Module to DSP
3. BT to DSP, if Phorus Wireless Module is not populated
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4. DSP to Phorus Wireless Module for streaming aux-in audio
6.1 Mechanical Arrangem ent / Industrial Design
Figure 3: Industrial Design (not to be used for production)
[R35]. Dimensions indicated above.
[R36]. The system shall conform to the design language specified by the ID guidelines.
6.2 Rear Panel
Figure 4: 2D drawing of the back and bottom panel (not to be used for production)
6.2.1 Connectors
The input and output sections of the rear panel are as follows:
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Connector:
Number #:
Type (Images for informational use only):
[R37]. Mini Audio Jack (Aux In)
3.5mm
1
[R38]. Power plug
1
[R39]. USB
1
Micro USB
[R40]. USB
1
3.5mm power connector
Type A
6.3 Front Panel
6.3.1 Buttons and Switches
The top panel shall have the following buttons:
[R41]. Power
[R42]. Volume Down
[R43]. Volume Up
Figure 5: Top panel (not to be used for production)
Figure 6: Front panel (not to be used for production)
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The font panel shall have the following butt ons:
[R44]. Bluetooth Multifunction button for discoverability, connecting, disconnecting
[R45]. Aux-In button
6.3.2 LEDs
[R46]. The top panel shall have one bi-color System/Power Status LED (White and Amber) sharing one
light pipe
[R47]. The front panel shall have one single color Bluetooth LED (Blue)
[R48]. The front panel shall have one single color Aux In LED (White)
6.4 Printed Material
6.4.1 Owner’s Manual
[R49]. The owner’s manual shall be black and white
[R50]. The owner’s manual shall have approximately 8 pages per language.
6.4.2 Beauty Carton
[R51]. The carton shall be four color.
[R52]. The carton shall have varnish.
[R53]. The carton shall use recycled/recaptured material s w here possible.
[R54]. The carton shall be 0.08 Pt. or better card stock, 250 lb. or better C Kraft.
[R55]. The carton shall meet all Phorus validation and r el iability requirements, e.g. pass drop tests,
environmental tests.
6.4.3 Master Carton
[R56]. The quantity requirement is 8 units per master carton.
[R57]. The master carton artwork is to follow Phorus standard template for multimedia products.
[R58]. Version s are to be differentiated by different master carton labels.
6.5 Serviceability
[R59]. This product shall be designed for serviceabi li ty. The device shall allow reasonable ease of
access to internal components for service and/or repair.
6.6 Recyclability
[R60]. The system shall conform to all recyclabilit y rules (ease of disassembly) required of each region
defined in the Localization section.
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7 Features
7.1 System Features
7.1.1 Bluetooth Audio Subsystem
[R61]. The system shall wirelessly pair to a Bluetooth-enabled device.
[R62]. The system shall be up to date with the latest version of the Bluetooth protocol specification v2.1
and be compatible with the Enhanced Data Rate (EDR) specificat ion (Data Rate: 3 Mbit/s).
[R63]. The operating range of the system shall meet or ex ceed the requirement of a Bluetooth Class 2
device (Maximum permitted power: 2.5mW – 4dBm , Range: 30 feet).
[R64]. The BT test protocol shall demonstr ate better than 0.1% BER (as a note this should correspond
to a receiver with better than -85dBm sensitivit y) over a free air range of at least 12 meters
[R65]. Less than 0.1% BER shall be verified at 432 test points.
The test area is described as 360 degree radial cone, -15degrees to +40 degrees in elevation, 12
meters from the unit under test.
Each test point is within this cone at both -15 degree declination and +40 degree elevation, at 10
degree radial intervals. This yiel ds a total of 72 test points (36 radial points * 2 elevation angles).
At each test point, the Class 2 transmitting device shall be oriented orthogonally in all 3 axis, 180
degrees in each axis (yielding a total of 6 orientat i ons).
Up to 3 commercially available Class 2 t rans m i tting devices will be used during this test.
[R66]. The system shall pair with a Bluetooth enabled dev i ce in order to wirelessly stream audio content
from a Bluetooth audio source device. Advanced Audio Distribution Profil e (A 2DP) version 1.2 allows
the use of the mandatory Sub Band Coding (SBC) codec for compressing audio for efficient
streaming.
[R67]. For superior audio listening experience, apt.x codecs should be implemented. Specification o n
apt.x shall be further detailed at a later time.
[R68]. The Bluetooth subsystem shall be capable of pairing with a minimum of 8 source devices.
7.1.2 WiFi Audio Subsystem (For Caprica Module Only)
[R69]. The system shall be able to accept audio from t he WiFi subsystem
[R70]. The WiFi Audio subsystem shall employ 802.11n
[R71]. The WiFi Audio subsystem shall also include BT A2DP Sink capability with similar performan ce to
the standalone BT module
[R72]. The WiFi Audio subsystem shall have a minimum 400MHz ARM9 or equivalent performance
[R73]. The WiFi Audio subsystem shall have a minimum of 16MB of Flash memory and 64MB of DRAM
[R74]. The WiFi Audio subsystem shall run the Linux operating system
[R75]. The WiFi Audio subsystem shall be able to accept a I2S input from the Bluetooth Subsystem
and/or the incorporated BT A2DP sink system of the BT/WiFi module
7.1.3 Power
[R76]. The system shall have the following power modes:
a. Normal operational mode (front panel standby LED is white).
b. Off mode (front panel power LED is off).
c. Standby Mode (power LED is off).
[R77]. When the system is off, power comm ands shall have no effect.
[R78]. When the system is in standby mode, a power command shal l transition the unit from standby to
operational mode.
[R79]. When the system is in operational mode, a power co mmand shall transition the unit from
operational mode to standby.
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Battery Power:
Capacity (%):
LED Status:
Good
> 30%
White On
Low
10 – 30%
Amber On
None
< 10%
Off
[R80]. The system shall support an auto-standby mode which causes the system to transition to standby
after 10 minutes of inactivity (i.e. no user i nput or no audio). The system shall m ai ntain BT
connection, but power down DSP and other peripheral circuitry.
[R81]. Low Battery Mode
[R82]. Battery Charging Mode
7.1.4 LEDs
[R83]. The system shall have one LED located on the top panel of the system. If the system is power
from the A C s uppl y, White LED shall indicate system status.
[R84]. If the system is running off of batt ery power and (power supply is not connected t o an AC outlet)
then the system is in the Battery state. If the batt ery voltage level is above the “low battery” thr eshold,
white LED shall indicate system status, as de scribed in the table below.
[R85]. If the battery voltage level is below the “low battery” threshold, amber LED shall indicate system
status, as described in the table below.
[R86]. If the power supply is connected to an AC outlet and the DC jack is connected to the unit while
the system is in battery state, the system shall transition to the AC state and white LED shall indicate
system status.
[R87]. The Blue LED shall indicate Bluetooth stat us.
[R88]. The Bluetooth LED status shall be as defined in the Bishop User Interface document.
7.1.5 Auxiliary Input
[R89]. There shall be an analog auxiliary input (3.5mm stereo mini).
[R90]. The auxiliary input shall be capable of handlin g up to 2Vrms without cli ppi ng the preamp stage.
7.1.6 USB Charge
[R91]. The system shall provide a charge port for USB devices. Per section 6.2.1, the USB connector
shall be of Type A.
[R92]. Charge current and voltage shall be in compliance with USB requirements.
[R93]. Charging shall only be available when in AC operating mode.
7.1.7 Rechargeable Battery Option
[R94]. The system shall include a expansion port that will allow a rechargeable battery module to be
attached.
[R95]. The rechargeable battery shall have a capacity of 11.1V (3.7V/cell x 3 cells), 1500mAH as per 3-
cell Lithium-Ion configuration.
[R96]. The rechargeable battery module shall communicate with the system in order to update the
battery charge level data.
7.1.8 Device Firmware Update
[R97]. The system shall incorporate a device firmware update feature via the USB port.
[R98]. Firmwares in BT subsystem, sy st em controller MCU, and the Phorus Wireless Module shall be
updated.
[R99]. Appropriate fail-safe mechanisms shall be enf orced.
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7.1.9 Sources
[R100]. The unit shall have the following sources:
[R101]. Analog Auxiliary Input via USB 3.5 mm connector
[R102]. Bluetooth Audio
[R103]. WiFi Audio (For Caprica Module Only)
[R104]. System Audio from uC or BT
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Codename:
BT Chipset:
WiFi Chipset:
BT+WiFi Combo Chipset:
Bishop
Yes
No
No
Caprica version A
Yes
Yes
No
Caprica version B
No
Yes
Yes
8 Product Options Matrix
Though Bishop is envisioned as a BT-only system, future derivatives will include WiFi.
9 State Summary
9.1 Power On/Off/Standby
9.2 Power Transitions
[R105]. The unit is in power off mode when the AC power is disconnected.
[R106]. When AC power is connected the unit transitions to standby mode.
[R107]. The system shall transition from power off to standby mode (reaching an idle sta te ready for user
input) within 1 second.
[R108]. The unit shall transition from standby to operational mode instantly.
[R109]. The unit shall transition from operational m ode to standby instantly.
9.2.1 Buttons
[R110]. The system shall transitions from standby to operational mode via the following actions:
a. Front panel standby button is pressed
b. Any source button is pressed
[R111]. The system shall transitions from operational mode to standby via the following actions:
a. Top panel standby button is pressed
9.3 Volume States
[R112]. The factory default volume setting shall be -20 dB.
[R113]. When the system transitions from standby to operat i onal mode, the last volume setting when the
system was previously in operational mode shal l again be the volume setting.
[R114]. When transitioning from one source to another, the current volume setting shall persist.
[R115]. When the system transitions from standby to operat i onal mode, the volume should ramp from
minus infinity to the current volume setting in 250 ms.
[R116]. When the system transitions from operational mode to standby, the volume should ramp from the
current volume setting to minus infinity in 250 ms.
[R117]. When the current source is changed, the volum e should ramp from the current volume setting t o
minus infinity, the source should switch, and then the volume should ramp from minus infinity to the
current setting. The entire process should occur within 500 m s.
9.4 Mute State
[R118]. In operational mode, the system shall always be in one of two mute states: mute on or mute off.
[R119]. When the system transitions from standby mode to operational mode, the mute state shall always
be mute off.
[R120]. When the current mute state is mute of f, pressing the mute button or pressing the top panel
volume + and volume – buttons simultaneously shall cause the mute state to transition to mute on.
[R121]. When the current mute state is mute off, pressing the mute button or pressing t he top panel
volume + and volume – buttons simultaneously shall caus e the mute state to transition to mute on.
[R122]. When the current mute state is mute on, pressing the mute button or pressing the top panel
volume + and volume – buttons simultaneously shall cause the mute state to transition to mute off.
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Input
100-240 V AC 50/60 Hz
Output
12V DC 2A
SKU:
Power Supply Type:
Americas
Fixed Pins
Asia
Show interchangeable pins
Japan
Show interchangeable pins
[R123]. When the current mute state is mute on, pressing the volume + button on the top panel shall
cause the mute state to transition to mute off.
[R124]. When the current mute state is mute on, pressing the volume - button on the top panel shall
cause the mute state to transition to mute off.
10 Technical Requirements
10.1 Power
[R125]. The main shall conform to local Energy Efficiency laws and regulations in the country of
destination.
[R126]. For the European Union this requires compliance wit h “DIRECTIVE 2005/32/EC on Energy Using
Products” (as amended) as implemented by “COMMISSION REGULATION (EC) No 1275/2008” and /
or “COMMISSION REGULATION (EC) No 278 2009”. When in Standby State, the power amplifier,
DSP are turned off and the MCU is in low power consumption mode. In standby state, the EuP
requirement for power consumption is 0.5W for 2013. The 2013 standard is ma ndatory.
[R127]. Countries outside the European Union also hav e requirements. Examples include, but are not
limited to, Australia, Canada, Korea, Switzerland, USA
[R128]. The power supply shall be a wall-wart type universal switching power supply in order to
accommodate world wide use.
[R129]. The captured 1.5 meter long 2-conductor power output cable shall terminate in a barrel type
connector with the power input jack on the rear of the Pan unit (see section 6.3.1.1)
[R130]. The power supply shall have the following characteristics:
[R131]. It is highly desired for the AC power cord to be as thin and flexible and also to have a small as
possible connector. This way the user can elegantly route the power cord to their desire. If possibl e,
the power cord should have 2 conductors and no gro und as long as it passes all regulatory
requirements.
[R132]. The EMEA power supply shall have interchangeable plugs for EU and UK.
[R133]. The following images are descriptions for each po wer supply type. They are grouped by SKU.
The images are for informational use only:
EMEA
10.2 Audio
The goal of the system is to optimize the perfo rmance while minimizing the enclosure volume.
[R134]. The enclosure shall be as small as possible (priority to the width and depth) while capable of
providing at least 80dB maximum SPL (measured at 1 meter in a room with all channels driven at
maximum power per noise test standards) and having a frequency response where the -10dB value is
below 120Hz 150Hz.
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Specification
Value (TBD)
Number of Channels
2
Power @ 1% THD+N
7.5W per channel (4 ohm load)
Noise Floor
< 0.1mVrms (A weighted)
Cross Talk (L&R Channels)
>35dB @ 1kHz
Minimum Drive Impedance
4 Ohms
[R135]. The system shall be a ported enclosure design. It is expected that the closed system will have
highly optimized equalization and implement a l im i ter for increased bass output. The system will be a
closed system where the amplifier and loudspeakers are expected to be optimized power, impeda nce
load, equalization, and limiter settings.
10.3 DSP
10.3.1 Audio Routing
[R136]. The unit shall support playback of any one audio source at any time. The sources are:
[R137]. Auxiliary Input
[R138]. Bluetooth Subsystem
[R139]. WiFi Subsystems (For Caprica Module Only)
[R140]. System Sounds
10.3.2 Filters and Limiter / Compressor
[R141]. The signal processing block of the system shall be capable of processing a minimum of 5 biquads
per channel. Provisions shall be made for Phorus t o access the DSP to modify the filter coefficients
for acoustic tuning.
[R142]. The amplifier response shall be capable of being flat between 20Hz to 20kHz. In the audio path a
DSP shall be used in order to correct for any linear acoustic distortion.
[R143]. The system shall also have a limiter in order to opti m ize the max power max bandwidth
parameters.
10.3.3 System Volume
[R144]. The main system volume shall have 30 steps, representing gain of –40 dB to 0 dB.
10.4 Acoustical
10.4.1 Amplifiers
[R145]. The amplifiers should include overload protection circuitry.
[R146]. The amplifier shall have two output channels.
[R147]. The primary pass-band power shall be at least 10 watts per chan nel .
[R148]. The table below summarized the power Amplifier requirements
10.4.2 Transducers
[R149]. The system shall utilize two transducers.
[R150]. The transducer color shall not differ significantly from the front panel grille color such that the
transducers are visually distracting when the unit is viewed from the front.
10.4.3 Performance
[R151]. There shall be no pops, clicks, or other forms of audi o distortion or noise under normal operation,
including audio playback, source switching, volume adjustment, mute transitions, and power
transitions.
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10.5 Testability
[R152]. PCB shall feature test points that allow for 100% nodal coverage.
[R153]. FMEA shall be conducted and addressed.
11 Environmental and Reliability Requirements
[R154]. This product shall conform to the standard envi ronmental and reliability requirements an d
guidelines as identified by the operations/ quali ty assurance team.
12 Certification and Agency Compliance
12.1 Intellectual Property Certifications
12.1.1 Certification
[R155]. The system shall adhere to the Bluetooth Qualific ation Program Requirements, as defined in t he
Bluetooth Qualification Program Reference Document and be certified by a testing facility (B QT F) and
an expert (BQE).
12.1.2 Royalties
[R156]. The following royalties will be required, if apt .x is used in A 2DP streaming. This list is not
necessarily comprehensive:
apt.x: TBD
12.2 Safety Compliance
[R157]. VCCI
[R158]. PSE
[R159]. TUV (Germany)
[R160]. EuP
[R161]. RoHS Compliance
[R162]. Safety and emissions requirements for the f oll owing countries are required:
a. Europe (CE)
b. USA (FCC, UL)
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