SPEAKERBOX
Contents
1. user configurable predefined operating mode Off Line dynamically controlled operation by the application software On Line keys with dedicated hardware function and or programmable keys SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 4 LED indicators with dedicated hardware function and or programmable indicators A 3 Technical Characteristics ELECTRICAL power supply analogue circuitry 12V 5 via Tipro Power Bus from Powered FREE Touchmonitor or BeFREE Touchcomputer or alternatively from an external power supply e g TM VPB power supply digital circuitry 5V 5 from Tipro controller via Tipro bus current consumption analogue circuitry up to 600 mA 300 mArTYP depending on the actual volume settings current consumption digital circuitry up to 100 mA 50 mArTYP e additional current consumption of TM FMU 25 mArTYP 45 mAmax control interface TIPRO bus Speakerbox as standard add on FREE FREE BeFREE module TM FSx control interface External TIPRO bus Speakerbox as external FREE FREE BeFREE module TM FEx control interface USB Speakerbox as FREE FREE BeFREE module with integrated Tipro USB controller TM FMU audio interface USB USB Speakerbox TM FxU e audio interface Analogue audio LINE IN LINE OUT Analogue Speakerbox TM FxA power connectors gt Tipro Power bus connector 10 pin Micro MaT2. TMC FMC V C15 000 1 C Configuration Complete Device 2 F Speakerbox Module TM FMU 3 M Integrated Controller Master Module 4 C Interface Cables Included 5 V Side Covers End Caps and or AC DC Adapter Power Supply Included 6 Housing Colour C15 black is the standard colour 7 Custom version Three digit number reserved for product customizations It is omitted in case of standard version SPEAKERBOX TECHNICAL OVERVIEW TIPRO E REFERENCES E 1 Kl REFERENCES HANDSET Technical Overview CHAMELEON Technical Overview POWERED FREE 15 Technical Overview BeFREE Technical Overview ChangeMe User s Manual Modularity Demystified Dispatching Hints amp Tips White Paper Issue No 001 2 Handsets in 1 Terminal Dispatching Hints amp Tips White Paper Issue No 002 HID Telephony Interface Dispatching Hints amp Tips White Paper Issue No 004 ee A e D Ek wD Ex SPEAKERBOX TECHNICAL OVERVIEW TIPRO F NOTICES F 1 F NOTICES F 1 Disclaimer Information furnished by Tipro is believed to be accurate and reliable However Tipro makes no representations or warranties regarding the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions a
3. aal SLDEOEaRWIE ue SUNJO BSpeayrESpUEY AAYOS SOW IPU g7 9 s a ajgewepod g sngqodi y at Sana Aay sau Waly H T W 2epoo gSN Figure BI Speakerbox Functional Block Diagram SPEAKERBOX TECHNICAL OVERVIEW TIPRO B INTEGRAL PARTS AND FUNCTIONALITY B 3 B 1 Microphone Amplifier This is a logarithmic audio amplifier with programmable gain noise gating threshold and compression ratio It processes microphone signal of the currently selected audio device Hands Free goose neck microphone Headset or Handset Noise gating feature enables ambient noise to be suppressed All sounds below the threshold are removed inside the amplifier so with higher threshold the microphone needs to be used closer to the mouth and speech needs to be louder to get through the amplifier The compression feature enables compression of the output signal dynamics in order to minimize the difference between quiet and loud speech The amplifier is also capable of limiting extremely loud speech thus preventing distortion and popping The overall gain can be even lower than one i e attenuation as well as equal to zero i e totally muted input Recent since 2Q2009 USB Speakerbox modules i e TM FxU comprise an additional microphone preamplifier within the HandsFree device to provide for adjustment of the goose neck microphone range B 2 Handset Headset Amplifier This is a linear audio amplifier with programmable gain that dr
4. EFERENCES E E 1 F NOTICES soeren ein ara E E E EEEE EREE EEE EE E E F 1 Wb ET F F2 Op yt St e E F SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 1 A GENERAL INFORMATION The Speakerbox also referred to as InterCom is a USB audio device for a hands free bidirectional voice communication It is a FREE FREE BeFREE add on module to be combined with the other family members into a multifunctional console for various applications Besides the primary function i e hands free voice communication it also provides connection for an external analogue headset and handset as well as the digital control over all the three HandsFree Headset and Handset audio devices that share the same audio channel The Hands Free audio device comprises built in Voice Speaker i e left hand side loudspeakers and goose neck microphone along with an incremental encoder for volume control bar graph multicolour LED indicator and two function keys MIC key and HF key Two more keys are provided for immediate loudspeaker volume control of the external headset and handset Since the output audio channel is stereo there is also the right audio output which is dedicated to alarm alert messages from the host system at the Alert Speaker 1 e right hand side loudspeakers EXTERNAL EXTERNAL HANDSET HEADSET NIGI oo i ALERT SPEAKER SPEAKER GOOSENECK MICROPHONE e m l l l l l l VOICE
5. G CODES D 2 D 2 Cables TM CZ V xxx 1 Part Type C Cable 2 Applicable Module Z Speakerbox 3 Audio Interface U USB type A gt RJ 8P 8C short body V USB type A 2 1mm DC power socket lt gt RJ 8P 8C short body B 2 x 3 5mm stereo plug 2 1mm DC power socket lt gt RJ 8P 8C plug short body P 2 1mm DC power plug lt gt 2 1mm DC power plug 4 Custom Version Three digit number reserved for product customizations It is omitted in case of standard version Note The TM CZP power adapter cable shall be separately ordered when needed see chapter D 3 below D 3 Power Supply TM VPB 12V 60W is the AC DC adapter to be used to power the Speakerbox It is always needed except for the two following cases 1 when Speakerbox is a standard Tipro module TM FSx used in a FREE configuration with a Powered FREE touchmonitor or a BeFREE touchcomputer where the touchmonitor touchcomputer provides the power to the rest of the configuration via internal Tipro Power Bus 2 when Speakerbox is an external Tipro module TM FEx to be used along with a Powered FREE touchmonitor or a BeFREE touchcomputer where the touchmonitor touchcomputer provides the power via its external 12V DC OUT connector see References 3 and 4 and the additional TM CZP cable SPEAKERBOX TECHNICAL OVERVIEW TIPRO D ORDERING CODES D 3 D 4 Stand Alone Version Configuration 1 23 3 4 5 6 7
6. SPEAKERBOX FREE FREE BeFREE InterCom Module TECHNICAL OVERVIEW Description and Application iia a al HP VII AN 1 SpeakerBox_TO_05 doc Version 05 May 23 2012 TIP RO TABLE OF CONTENTS II TABLE OF CONTENTS A GENERAL INFORMATION EE A 1 PMs Terminology E A 2 A2 leegen A 3 A 3 Technical e E A 4 B INTEGRAL PARTS AND FUNCTIONALITY sessesssesesssseserssrssressrssrrsressresersresseese B 1 Bal Microphone Aap Brier sisiran a B 3 Ee Eug EE B 3 B3 Hands Free 010 E B 3 E EE E E E E BA EE e E BA B6 Incremental Encode cereias area en e EES Saa ai B 4 BI Mechanical Keys with LED Indicators ccsssscsssssssesssessrscessssncessareressccesnass B 4 B S External Headset Connection sissicisissccecsasicnsntsesnncaasiccesnssadvencessauedoaye Reese B 4 B 9 External Handset Connections ege ee B 5 B 10 Audio and Power HEEL ere eege B 5 B 11 External Wipro Bus Cable sriiosenrar kaninen a e aei B 6 B 12 Differences between TM FSx and TII FER csccccssssacsoscessonseenaccasencansensazonses B 6 B 13 Differences between TM FSU and TM FMU ssssssssesessssssssessserrsssressressressseesee B 7 EIN L E C 1 CN D eet EE Opefatiig C6 mee mere renter me iret iei rere or a naas C 1 C 2 On Line E C 2 C 3 Using Tipro USB Audio TE C 2 D ORDERING e IEN D 1 E ere D 1 D2 TT D 2 D3 EE D 2 DA Stand Alone Version Configuration oie cacccs ccccceesccasatescnacdatesdcneaeeversacpecedstanceas D 3 E R
7. adset unit connected MIC key released e HF key released Disconnect Gooseneck Mic magi Disconnect Handset Send MIC key released key event Ze Disconnect Gooseneck Mic A Disconnect LS d Connect Headset Send Headset Connected key event i Ki E aft E Headset unit disconnected Va Ss A e Handset On Hook Nf e HF key pressed Connect LS HANDSFREE lt Disconnect Headset 3 Send Headset Disconnected key event A N ii e N M ES D V S Handset Off Hook Handset On Hook HF key released HF key pressed Disconnect LS HEADSET Connect LS Disconnect Gooseneck Mic Disconnect Handset Connect Handset N Ba Send On Hook key event Send Off Hook key event 7N S J DS a Headset unit disconnected J KH Handset Off Hook ie HANDSET Connect Handset al K Disconnect Headset d ATA f N Send Headset Disconnected key event A er A pot Vier PTT key pressed ee J Send PTT pressed key event N fe PTT key released J K Send PTT released key event SS E Ne Headset unit connected eee SCH Disconnect Handset e Disconnect Gooseneck Mic 7 Disconnect LS Note Key events MIC key pressed MIC key released On Hook Off Hook PTT pressed Send eege key event PTT released Headset connected Headset disconnected HF key pressed HF key released S are sent via USB regardless of the curren
8. aker basic model Goose neck Microphone Voice VOLUME UP key VOLUME DOWN key Bar Graph Display Figure BI Speakerbox Top View The Console Figure B 2 shows functional block diagram of the Speakerbox Voice channel of the computer left output audio signal and input audio signal is routed to the selected mono audio device that can be Hands Free the external headset or the external handset Only one audio device can be active at a time Alert speaker is permanently connected to the Alert Alarm channel of the computer Voice Speaker and Alert Speaker are physically electrically realized as two loudspeakers in parallel to double the output volume All the signals undergo certain signal processing inside the Speakerbox The processing includes analogue to digital and digital to analogue conversion block USB codec conditioning amplification attenuation filtering sensing and switching The complete processing is programmable via ChangeMe and can be dynamically changed during the operation in so called On Line operating mode SPEAKERBOX TECHNICAL OVERVIEW TIP RO B 2 B INTEGRAL PARTS AND FUNCTIONALITY auapionp Damen dayeads ean Ge rit fuisuas uogoauuoa JaspueHAaspeaH DI SAH aydur DL D DU al LES Ou a puis HOIH MOT 440 Seale OR MAOT MOTAMAA SAIE DU Sal BBO SSON aM DL al Supp SPOS au 3210A snqaudiy Dap spuewwog DU
9. ch receptacle female on the PCB to power Speakerbox from Powered FREE Touchmonitor or BeFREE Touchcomputer gt Audio amp Power connector RJ 8P 8C accessible from the bottom part of the housing to power Speakerbox from an external 12V Power Supply interface connectors gt left hand side Tipro bus connector 6 pin Micro MaTch header male at the end of a 100 mm long ribbon cable gt right hand side Tipro bus connector 6 pin Micro MaTch receptacle female on the PCB gt Audio amp Power connector RJ8P 8C accessible from the bottom part of the housing USB and analogue variants have the same connector type but to be used with different cables i e TM CZV and TM CZB respectively SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 5 MECHANICAL casing plastic ABS black colour C15 net dimensions 138 x 222 x 51 without goose neck microphone W D H mm gross dimensions with side covers 158 x 222 x 51 W D H mm goose neck microphone length height 350 50mm weight 700 g approximately protection sealing grade IP 30 according to EN 60529 ENVIRONMENTAL operating ambient temperature range 0 C to 40 C storage ambient temperature range 10 C to 50 C relative humidity range 20 to 80 non condensing AUDIO Loudspeakers gt two in parallel within the left output gt two in parallel within the right output g
10. device comprising two loudspeakers left and right and one microphone audio output output audio signal of a computer to be connected to the Speakerbox it is input signal to the Speakerbox audio input input audio signal of a computer to be connected to the Speakerbox it is output signal of the Speakerbox audio channel a pair of one input and one output audio signal addressed to a mono audio device mono audio channel same as audio channel Sd stereo channel a combination of one input and two output left and right audio signals addressed to a stereo audio device voice channel the pair of input audio signal and left output audio signal alarm output alert output right output audio signal USB audio output USB digital output audio signal of a computer USB audio input USB digital input audio signal of a computer gt Oe USB audio port regular USB downstream port of a computer used to transmit two USB output signals left and right and to receive one USB input audio signal analogue audio output analogue output audio signal of a computer with 0 dBu or 0 dBm signal range usually referred to as LINE OUT SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 3 analogue audio input analogue input audio signal of a computer with OdBu or 0 dBm signal range usually referred to as LINE IN microphone audio input ana
11. e needs to be chosen see chapter D 2 Both cable types have split end at the computer side one end for audio signals and the other to provide for a power supply connection SPEAKERBOX TECHNICAL OVERVIEW TIPRO B INTEGRAL PARTS AND FUNCTIONALITY B 6 External Tipro Audio amp Power Bus cable d cable Figure B 5 Speakerbox Bottom View Detail Interface amp Power Connections As a rule the Speakerbox requires 12V power from an external power supply e g TM VPB The only exception to the rule is Speakerbox as the standard add on module TM FSx used in a FREE BeFREE configuration along with Powered FREE 15 touchmonitor or BeFREE touchcomputer where the touchmonitor or the touchcomputer provides power to the rest of the configuration via Tipro Power Bus B 11 External Tipro Bus Cable External Tipro bus cable comes out from the bottom part of the housing through a cable gland see Figure B 5 and can not be detached from the outside of the module It is an integral part of the External Speakerbox modules TM FEx Standard add on Speakerbox modules TM FSx do not have it This cable should be connected to the External Tipro bus port of Tipro controller inside a FREE touchmonitor a BeFREE touchcomputer or a FREE keyboard B 12 Differences between TM FSx and TM FEx External modules e g TM FEU are functionally equivalent to the respective Standard modules e g TM FSU The only difference is in physica
12. ives loudspeaker of currently active external audio device Headset or Handset It is also a summing amplifier that can add a part of the microphone signal to the output signal for the loudspeaker so called side tone feature The side tone feature is essential to a user of the Handset Headset as it provides an immediate without a delay audio feedback Side tone level is also programmable Gain of this amplifier i e volume of the loudspeaker inside handset and headset can be adjusted by user in normal operation via two mechanical keys VOLUME UP and VOLUME DOWN at the lower left hand side of the module The selected level is immediately displayed at the bar graph display in orange colour 10 volume levels mute B 3 Hands Free Amplifier This is a linear audio amplifier with programmable gain that drives the Voice Speaker Gain of this amplifier i e volume of the Voice Speaker can be adjusted by the user in normal operation via incremental encoder i e endless digital potentiometer at the lower right hand side of the module The selected level is immediately displayed at the bar graph display in green colour 20 volume levels mute The amplifier can deliver up to 2 W 2x 1 W of electric power to the Voice Speaker SPEAKERBOX TECHNICAL OVERVIEW TIPRO B INTEGRAL PARTS AND FUNCTIONALITY B 4 BA Alarm Alert Amplifier This is a linear audio amplifier with programmable gain that drives the Alert S
13. l l l l l l l ze ze e zm HANDSFREE DEVICE SPEAKERBOX Figure A 1 Speakerbox Simplified Block Diagram SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 2 All embedded functions switching between the devices volume control side tone feature noise gating and compression of microphone signals are programmable via ChangeMe software and controllable by the application software By default the module operates as per predefined state diagram see chapter C in so called Off Line operating mode but can be at any time switched respective Windows API has been provided for under total control of the application software i e into the On Line operating mode A 1 Terminology As the Speakerbox is a quite complex audio device certain terms need to be clearly defined in order to avoid misunderstanding The following definitions do not necessarily represent generally accepted technical facts but merely a nomenclature explanation in order to help understand the document properly e audio device a device comprising a transducer to turn an electric signal into a sound loudspeaker as well as a transducer to turn a sound pressure into an electric signal microphone both along with the associated electronic circuitry mono audio device an audio device comprising one loudspeaker and one microphone same as audio device stereo audio device an audio
14. l connection of the Tipro bus cable External modules are intended for applications where a configuration e g the one presented in Figure B 6 needs to be split into two parts as presented in Figure B 7 but maintaining all other original properties For the sake of clarity the cables presented in Figure B 5 between the external Speakerbox and the Touchcomputer are not shown in Figure B 7 SPEAKERBOX TECHNICAL OVERVIEW TIP RO B INTEGRAL PARTS AND FUNCTIONALITY B 7 Figure Bo Handset Touchcomputer and TM FSU Module Figure B 7 Handset Touchcomputer and TM FEU Module cables not shown B 13 Differences between TM FSU and TM FMU The TM FMU is a stand alone version and a functional superset of the TM FSU module It additionally incorporates a Tipro USB controller with built in bus powered hub one downstream port is occupied by the Tipro controller another one with the USB Audio Codec Other specific details e g current consumption interfacing are pointed out in respective chapters hereby SPEAKERBOX TECHNICAL OVERVIEW E C OPERATION C 1 C OPERATION Speakerbox operation can be controlled either from within the module Off Line Operating Mode or from the host computer On Line Operating Mode Normally the Speakerbox is factory preprogrammed to operate in the Off Line mode as per state diagram below MIC key pressed Connect Gooseneck Mic Send MIC key pressed key event He
15. logue input audio signal of a computer intended for a direct microphone without an amplifier connection usually referred to as MIC IN A 2 Highlights APPLICATIONS dispatcher terminals banking amp trading consoles multifunctional control panels digital telephony e g Voice over IP devices CONCEPT AND MODULARITY gt gt gt gt e ergonomic hands free voice communication device combination of a USB audio device and an HID keyboard plug amp play operation with generic USB audio and USB HID keyboard drivers configurable switching between the hands free and external analogue audio devices separate output for alarm alert tones messages integrated acoustic shock protection TM FxU only external analogue audio devices handset and headset effectively converted into the corresponding digital USB devices combinable with other FREE FREE BeFREE add on modules e g handsets touchcomputers touchmonitors Chameleon keypads ID modules into multifunctional terminals stand alone operation as an external Tipro bus module connected by respective cable to another Tipro module with integrated Tipro controller stand alone operation as a FREE FREE BeFREE module with integrated Tipro USB controller TM FMU only optional analogue audio interface TM FxA PROGRAMMABILITY all implemented audio functions are programmable six programmable mechanical keys VERSATILITY
16. ouchmonitor has a different USB product ID However Tipro can not guarantee that the actual Product ID of the USB Speakerbox module or any other individual FREE FREE BeFREE USB audio module will not change in future as it depends on the USB Codec IC vendor s who reserve the right to change it SPEAKERBOX TECHNICAL OVERVIEW TIPRO D ORDERING CODES D 1 D ORDERING CODES D 1 Module 1 2 3 4 5 TM FS U C15 xxx 1 Type F Speakerbox module HandsFree or InterCom 2 Configuration S Standard FREE FREE BeFREE add on module E External FREE FREE BeFREE module M FREE FREE BeFREE module with Tipro USB controller TM FMU only 3 Audio Interface A Analogue B Analogue without goose neck microphone U USB T USB with HID Telephony Interface only as a customization V USB without goose neck microphone 4 Housing Colour C15 black is the standard colour 5 Custom Version Three digit number reserved for product customizations It is omitted in case of standard version Note Speakerbox interface cables TM CZV and TM CZB are considered as integral parts of the corresponding modules TM CZV of TM FxU and TM CZB of TM FxA and therefore shall not be ordered separately The External Tipro bus cable is always a part of external Speakerbox variants i e TM FEx as it is not detachable from the outside SPEAKERBOX TECHNICAL OVERVIEW TIPRO D ORDERIN
17. peaker Gain of this amplifier is equal to the gain of Hands Free amplifier It is also capable to deliver up to 2 W 2x 1 W of electric power to the Alert Speaker B 5 Bar Graph Display It comprises 10 three colour red green and orange LEDs to display level of the left output signal as VU meter red colour or gain of the Handset Headset amplifier orange colour or gain of the Hands Free amplifier green colour By default it constantly operates as VU meter If a move of the incremental encoder has been detected it automatically displays gain of the Hands Free amplifier If a press of VOLUME UP or VOLUME DOWN key has been detected it automatically displays gain of the Handset Headset amplifier B 6 Incremental Encoder This is an endless digital potentiometer used for immediate volume control of the Voice and Alert Speakers It has 24 detents per revolution Every single detent changes the volume for one step up or down but only every second one is represented by one LED in the Bar Graph display in green colour B 7 Mechanical Keys with LED Indicators All six keys are regular programmable keys but four of them HF key MIC key VOLUME UP key and VOLUME DOWN key have also additional predefined functions HF key controls the Hands Free operation see chapter C Internal LED is illuminated while the hands Free mode is active MIC key controls the Goose neck microphone see chapter C Internal LED is illuminated while the micro
18. phone is active VOLUME UP and VOLUME DOWN keys control the gain of Handset Headset loudspeaker amplifier B 8 External Headset Connection External headset to be connected to the Speakerbox can be any analogue headset with an electret condenser microphone and a dynamic loudspeaker providing that the audio connector matches the connector of the Tipro analogue handset see Figure B 3 and Reference 1 The respective connector is accessible from the rear side of the module and is labelled by a pictogram see Figure B 4 SPEAKERBOX TECHNICAL OVERVIEW TIPRO B INTEGRAL PARTS AND FUNCTIONALITY B 5 PIN 1 MIC PIN 2 SPK PIN 3 SPK PIN 4 MIC Figure BA External Handset Headset Connector and Respective Signals B 9 External Handset Connection External handset can be any of the standard Tipro analogue handsets e g TM HHA 6A see Reference 1 with PTT PTM key PTT is acronym of Push To Talk PTM of Push To Mute The respective connector is accessible from the rear side of the module and is labelled by a pictogram see Figure B 4 Handset Connection Headset Connection Figure BA Speakerbox Rear View External Audio Device Connections B 10 Audio and Power Connection As shown in Figure B 5 the Audio and Power connector RJ 8P 8C is accessible from the bottom part of the housing Depending on the audio interface of the selected Speakerbox model USB or Analogue the corresponding cabl
19. t type dynamic gt rated power 2 W gt output sound pressure level SPL 85 dB 3 dB 1 W 1 kHz 0 5 m distance Goose neck Microphone gt type electret condenser unidirectional gt max input 120 dB SPL Analogue amplifiers gt designed to meet narrow band telephony standards gt frequency pass band 200 Hz 5 kHz Typ gt output power 4x 1 W 2x2x 1 W USB Audio Codec gt model Texas Instruments PCM 2902x MECHANICAL KEYS e keyswitch gt model Cherry MX gt key travel 3 6mm to 4 0mm total 2 0 6 mm pretravel gt actuating force 60 20 cN gt reliability Mean Cycles To Failure MCTF 1 billion 10 press release cycles 50 million is guaranteed minimum keycaps gt construction separate body and cover SPEAKERBOX TECHNICAL OVERVIEW TIPRO A GENERAL INFORMATION A 6 gt size single gt keycap bodies with cut out for LED CN15 black colour gt keycap covers transparent gt key legends pictograms printed on a transparent paper underneath keycap covers SPEAKERBOX TECHNICAL OVERVIEW TIPRO B INTEGRAL PARTS AND FUNCTIONALITY B 1 B INTEGRAL PARTS AND FUNCTIONALITY Speakerbox is basically a standard add on FREE FREE BeFREE module with USB audio interface Several other variants as the external module or with analogue audio interface already exist but these are explained latter in the document as variations of the Alert Spe
20. t any time without notice F 2 Copyright Notice 2007 2012 Tipro All rights reserved Trademarks and registered trademarks are the property of their respective owners SPEAKERBOX TECHNICAL OVERVIEW TIPRO
21. t state Figure C 1 Speakerbox State Diagram Off Line Operating Mode C 1 Off Line Operating Mode As represented in the state diagram the speakerbox can remain in one of the three possible states HANDSFREE HEADSET or HANDSET Since the Headset is the highest priority audio device the default state is HEADSET if an external headset is connected The lowest priority state is HANDSFREE Arrows in the state diagram define possible transitions between the states Each transition is described by the event which may cause it to happen text in red colour and the actions to be taken upon the event text in black colour SPEAKERBOX TECHNICAL OVERVIEW C OPERATION C 2 C 2 On Line Operating Mode In On Line operating mode the host computer controls complete operation of the module This mode is intended for advanced users having full control over the application software Respective technical documentation as well as the associated Windows API are available upon qualified request CA Using Tipro USB Audio Modules Besides the USB Speakerbox Tipro also offers other USB audio modules e g Handsets Touchmonitor with integrated loudspeakers that can be joined into a single FREE FREE BeFREE configuration On the other side Windows operating systems present each of them as a USB Audio Device In order to enable independent addressing and differentiation each type of FREE FREE BeFREE audio module Handset Speakerbox T
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