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Tipro BeFREE20, Technical Overview

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Tipro BeFREE20 Technical Overview Download Page 17

C. OPERATION 

 

C-2 

BeFREE 20 – TECHNICAL OVERVIEW 

 

 

 

 

Figure C.1   Example BeFREE 20 Configuration 

 

 

 

Figure C.2   Example BeFREE 20 Configuration – Schematic Representation 

 
 
 

USB 

Root Hub 

Generic 

USB Hub 

BeFREE 20 

BF20 

MainBoard 

Tipro 

USB 

Controller 

USB Audio 

Device 

Handset 
TM-HTA 

Tipro Bus 

Module 

Tipro Bus 

USB Cable 

USB Cable 

Handset 
TM-HTA

 

USB Audio 

Device 

Generic USB 

Hub 

Tipro Bus 

Module 

USB Audio 

Device 

USB Audio 

Device 

Generic USB 

Hub 

Tipro Bus 

Module 

Summary of Contents for BeFREE20

Page 1: ...BeFREE20 15 0 Touchcomputer J1900 with InterCom TECHNICAL OVERVIEW Description and Application BeFREE20_TO_1_1 doc Version 1 1 January 4 2017...

Page 2: ...t Speaker Amplifiers B 5 B 4 3 Central Speaker Amplifier B 5 B 4 4 Bar Graph Displays B 6 B 4 5 Incremental Encoders B 6 B 5 External Connectors B 7 B 5 1 External Digital Inputs B 7 C OPERATION C 1 C...

Page 3: ...bedded computer This dual interface results in up to six listening output channels and three parallel recording input channels Status of the PTT key is reported via HID Keyboard and or HID Telephony i...

Page 4: ...industrial plants trading and banking consoles multifunctional control panels A 2 Technical Characteristics ELECTRICAL power supply 12V 5 from an external AC DC adapter power consumption Operating Mo...

Page 5: ...25 top part gross dimensions with side covers 440 x 342 x 111 W x D x H mm goose neck microphone length height 350 50mm weight 6 3 kg approximately protection sealing grade IP 20 according to EN 60529...

Page 6: ...NAND interface SATA II 3 Gb s form factor 2 5 capacity 120 GB DISPLAY type TFT LCD size 15 0 diagonal aspect ratio 4 3 native resolution 1024 768 XGA luminance brightness typical 400 cd m2 contrast r...

Page 7: ...kHz TYP output power 5 x 1 W 2 x 2 x 1 W 1 x 1 W USB Audio Codecs model Texas Instruments PCM 2900C Codec A PCM 2902C Codec B USB Interface full speed USB 2 0 compliant certified by USB IF resolution...

Page 8: ...al indicators and mechanical keys with a proper tactile feedback in order to provide the operator with a quick insight and immediate access to important controls The most prominent position is assigne...

Page 9: ...peakers Volume DOWN Key Press to decrease volume of left and right speakers Home TouchDisable Key Long press disables touchscreen Short press re enables touchscreen Brightness UP Key Press to increase...

Page 10: ...y backlight is adjustable by Brightness UP and DOWN keys Home TouchDisable key can be used to temporarily disable touchscreen for cleaning purposes B 3 Embedded Computer BeFREE 20 incorporates an indu...

Page 11: ...ion block USB AUDIO CODEC which comprises two USB Codec chips conditioning amplification attenuation filtering sensing and switching The complete processing is programmable via ChangeMe software and c...

Page 12: ...mmable gain each driving its own speaker Left and Right Speaker in Figure B 4 The gain of each amplifier i e volume level of the respective speaker can be adjusted by the user in normal operation via...

Page 13: ...spective bar graph automatically displays the gain of the respective amplifier in green colour Volume UP and DOWN keys can also be used to adjust the current volume settings but simultaneously for bot...

Page 14: ...ernet 8 COM 1 DSUB 9 male RS232 serial port 9 VGA DSUB 15 female analogue RGB output Figure B 5 Connector Plate B 5 1 External Digital Inputs Two inputs refer to Figure B 6 for the connector and signa...

Page 15: ...circuitry Suggested external circuitry A B Figure B 7 Applying Digital Inputs These inputs have an alternative function direct access to the Tipro controller from an external computer via serial RS23...

Page 16: ...respective Windows API HID API and the associated documentation BeFREE 20 can be programmed configured externally from another computer That computer needs to operate under Windows with ChangeMe utili...

Page 17: ...iguration Schematic Representation USB Root Hub Generic USB Hub BeFREE 20 BF20 MainBoard Tipro USB Controller USB Audio Device Handset TM HTA Tipro Bus Module Tipro Bus USB Cable USB Cable Handset TM...

Page 18: ...Figure D 1 BeFREE 20 with Inclination Mechanism VESA 75 D 2 HID Telephony Interface Actual status pressed released of the PTT key is normally reported as a programmable sequence of keystrokes generat...

Page 19: ...signal processor Basic properties of the optional see Chapter E 1 for details on the respective Ordering Code Echo Cancellation circuitry are listed below performance full duplex sampling rate 16 kHz...

Page 20: ...ion Circuitry V USB Speakerbox functionality without goose neck microphone 7 Reserved 0 none 8 Housing Colour C15C25 black C15 with black matte C25 top part of the housing This part of the code is not...

Page 21: ...chanical Support mechanism Inclination Mechanism 2 Mechanism Type U Universal 3 Adapter Type A BeFREE 20 and BeFREE 10 4 Colour C15 black This part of the code is not mandatory if the colour is C15 wh...

Page 22: ...Technical Overview 5 ChangeMe User s Manual 6 HID API Reference Manual 7 Modularity Demystified Dispatching Hints Tips White Paper Issue No 001 8 Hook PTT in Software Dispatching Hints Tips White Pap...

Page 23: ...kes 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 at any ti...

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