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Telex BTR-240 & TR-240 User Manual

1. Figure 3 2 TR 240 Beltpack Bottom View 6 Charge Jack used to charge the Li Ion battery 8 Accepts a 5 5mm x 2 5mm plug with the center positive Must be supplied with a 12VDC regulated power supply with at least a 400mA current capacity de Charge Light RED GREEN Beltpack battery 1s charging Beltpack battery is charged 3 2 Headset Connector standard 4 pin XLR connector Male XLR connector for Telex units female XLR connector for RTS units A dynamic or electret microphone headset is automatically detected by the beltpack and a bias voltage 1s supplied 1f necessary Programming Jack this RJ 45 jack is used for wired Ethernet connections configuration and to update firmware G Technical Specifications TR 240 FP et AAA IEEE 802 11b Wi Fi EE alo coe a eo poe a sa ao enw a E aii aia a No License Required Frequency Band of Operation INOMM GEREEST a e DE eg 2 412 to 2 462 GHz e o aaa 2 412 to 2 472 GHz Transmitter Output Power conducted a2 2e nte bir een ea EE EE lt 50 mW UII M TP Internal Dipoles Security and Encryption Technology VIANRR Do 40 bit and 104 bit WEP E Ee E EE 64 bit DES Number of full duplex beltpacks TR 240 in master model 912 Number of half duplex beltpacks TR 240 in master mode Unlimited Audio
2. Out of Range Alert Full Duplex Key Sequence Press and hold lt 1 gt lt TALK gt lt 2 gt while booting Release the buttons once the voice prompt Factory Reset is heard in the headset When the factory reset operation has been finished the beltpack will return to normal operation in the wireless default mode 6 4 Section 7 System Operation System Operation This section describes the different system configurations of the BTR 240 base station and the TR 240 beltpacks NOTE For all system configurations the TR 240 battery packs should be fully charged Refer to the Battery Charging Instructions in Section 4 Wireless Mode The most common configuration for the BTR 240 system is the wireless mode configuration shown in Figure 7 1 In this set up the BTR 240 base station serves as the relay and provides wireless coverage for up to 8 full duplex beltpacks in wireless mode Figure 7 1 Eight Beltpacks in Wireless Mode Set up 1 Select a location for the BTR 240 base station and connect the power cord and antennas e When using omni directional antennas place the base station as close to the center of the coverage area as possible 2 Connect base station to external audio interfaces For example 2 wire 4 wire Auxiliary Speaker local headset 3 Turn on the base station e The menu buttons and LCD backlight illuminate and a progress bar displays the status while the unit i
3. 1v Press and hold the lt MENU gt button for 1 2 second to return directly to the Status Screen 5 When finished editing from the 4W Intercom Menu Screen the user has two options a Press the lt MENU gt button to go back one menu screen and return to Step 3 Press and hold the lt MENU gt button for 1 2 second to return directly to the Status Screen Auxiliary Input Output INPUT OUTPUT Auxiliary Input Output Figure 5 27 Auxiliary Input Output The BTR 240 base station can interface with external audio devices via the auxiliary audio ports on the rear panel As shown in Figure 5 27 the auxiliary input is a XLR and 1 4 combination jack and the auxiliary output is a XLR jack The auxiliary input connector will accept balanced audio at line level and the auxiliary output connector will supply balanced audio at line level Refer to Section 11 for the 4 wire hardware specifications and pinouts The auxiliary input and output settings are individually configured so that any combination of the two intercom channels can be routed to and from these ports The auxiliary input output settings can be set to one of three modes Off Local and Global These modes are defined as follows Off The auxiliary input or output for the intercom channel is disabled Local Any audio placed into the auxiliary input port is routed only to the base station s local headset and beltpack s The audio that is routed from the ba
4. Network Tasks E Create a new connection Change Windows Firewall ES BE cit 82567LM Gigabit settings Disable Disable this network device ca L tatus i Rename this connection L al Cisco Systems VPN Adag lt P Change settings of this n EE E Wireless Network Conne Bridge Connections Not connected CP Intel R WiFi Link 5300 A Create Shortcut SE Other Places Local Area Connection 2 Network cable unplugget B Control Panel Cab ASIX AX88772 USB2 o d E My Network Places isse B onnection My Documents CH Connected onnectec d My Computer Ca 1394 Net Adapter Rename Properties Details Local Area Connection LAN or High Speed Internet Network cable unplugged Intel R 82567LM Gigabit Network Connection Figure 8 1 Network Connections 4 Open the properties window for Internet Protocol TCP IP Select Internet Protocol TCP IP with the mouse Click on the Properties button See Copyright Notice on page i 8 1 5 Select the check box next to Use the following IP address i Local Area Connection Properties 6 Petite following aran IP address 192 168 1 40 Connectusing Subnet mask 255 255 255 0 HR Intel R 82567LM Gigabit Network Connie 7 Once the above information is entered hit the OK button to This connection uses the following items exit the Internet Protocol menu General Advanced I File and Printer Sharing for
5. c Press the lt TALK gt button to perform a ClearScan The voice prompt ClearScan will be indicated in the headset This operation takes a few seconds and when finished a voice prompt will indicate the selected channel 5 When the desired channel is selected the following options will exit the RF selection menu and return to the main audio program a Press the 1 2 buttons simultaneously A tone will sound indicating that the RF channel that was last indicated by a voice prompt is now active and the beltpack has resumed to normal master wireless operation 6 3 b Simply wait without pressing any buttons for approximately 3 seconds A tone will sound indicating that the RF channel that was last indicated by a voice prompt is now active and the beltpack has resumed to normal master wireless operation NOTE The RF channel of operation is remembered and the TR 240 will continue to boot on the same RF channel in master wireless mode until it is set differently by the user Low Battery Indicator When operating the TR 240 beltpack there are two indicators for when the battery pack is almost depleted The first indicator is the battery light on the top panel of the beltpack will switch to yellow The second indicator is a battery alert tone three tone pulses heard in the beltpack headset These indicators will occur when the battery pack has approximately 15 minutes of use left Mode Identification Software
6. the LCD returns to the Status Screen to indicate the active RF channel of operation Lockout The lockout function will prevent a user from changing any menu options at the base station via the LCD screen The lt TALK gt and lt CHANNEL SELECT gt buttons and lt VOLUME gt knob will still work at the local headset on the front panel lt UP gt lt DOWN gt for approximately 3 seconds Key Sequence When the lockout is activated a padlock icon will appear in the lower left corner of the LCD indicating that the base station is locked Figure 5 42 Lockout Activated Status Screen In lockout mode a user is allowed to navigate through the menu options and view the current status but the options cannot be modified To unlock a base station use the same key sequence and the padlock will disappear from the LCD screen NOTE The lockout feature is remembered every time the base station is booted 5 12 Software Version The software version of the BTR 240 can be briefly displayed at any time form the Status Screen lt SET gt lt DOWN gt for approximately 3 seconds Key Sequence When the key sequence is pressed the Start up Screen see Figure 5 2 will be displayed for approximately 3 seconds which flashes the software versions before returning back to the Status Screen System Restore The BTR 240 base station has the ability to restore settings and parameters back to the default states Th
7. 240 and TR 240 devices will be connected and performance will not be degraded 2 Reduce the Number of Full Duplex Users e Anyusers that do not need to be in full duplex mode transmitting all the time should be placed in half duplex mode transmitting only while the lt TALK gt button 1s pressed This reduces the network capacity load and will perform significantly better on an Ethernet infrastructure that contains interference 10 4 Section 11 Hardware Specifications 2 Wire The 2 wire intercom uses a standard 3 pin XLR for connectivity It is important to ensure that the cables are wired correctly for The 2 wire specifications and wiring diagrams will vary depending proper system operation Refer to Figure 11 1 for the 3 pin XLR on which type of intercom is connected RTS AudioCom Telex wiring diagrams and specifications for each intercom type or Clear Com RTS Input Impedance o oooooomomo 20090 COMMON Output Level 24 eo te caw tr 0 775 Vrms nominal AUDIO 1 PLUS POWER Bridging Impedance o o o oooooooo gt 10kQ Call Signaling 20k Hz 100 Hz 240 mVrms Receive 20k Hz 800 Hz 100 mVrms Power Voltage occ eserves een ces 28 0 VDC nominal AUDIO 2 AudioCom Telex Input Impedance 22624444464205 6 EIN NEEN 3000 COMMON Output Level 1 0 Vrms nominal AUDIO PLUS POWER Bridging Impedance 622 rer a mE RR gt 10kQ Call Signaling 20k Hz 100 Hz 5 mVrms Recei
8. Base Station The supplied omni directional antennas have a circular antenna pattern and radiate RF signals equally in all directions When using the omni directional antennas the base station should be located as close to the center of the wireless coverage area as possible The antenna placement and separation distance for the receiver and transmitter 1s not adjustable when the antennas are connected directly to the base station on the back of the unit If desired the antennas can be remotely mounted or mounted on the front panel for a better signal path A coax assembly with remote antennas may be required See the Accessories and Replacement Parts section for ordering information 2 Placing the Placing the BTR in a shelf or equipment rack and using remote antennas is OK NOTE NOTE Antennas should never be mounted on or next to metal such as beams walls with metal studs equipment racks etc This will detune the antennas by altering the antenna pattern characteristics which can result in noise or loss of RF signal at the base station This also applies to the antennas when connected directly to the base station If the base station is to be located in a shielded rack mount enclosure or other poor RF location the antennas must be mounted remotely with coax assemblies See Figure 4 7 for antenna mounting options when using in an equipment rack BTR on top of a shelf or equipment rack unobstructed
9. EE a 7 8 NetwonelRequitemellS 4242652222442 4chweeeaaewe eee eee eae ee ae ee es 7 9 111 Section 8 User Configuration Options 8 1 Computer Requirements ox boa oos o9 9 x o RoyoROX oe boh OX ER RUR Ara 8 1 Network Configuration 2 2548464856444 aa aaa ra 8 1 Logging into Devices c ss he eee ke P iR EOS OX AAA 8 2 Software Verlo 42244 e456 56 fe 4064 e Eee eee AAA 8 3 User Configuration Options e 4 wu xo ome baw d Sew he eh eb eee eG EHH D OR DEES 8 1 Computer Requirements cos ok A446 ook Ru ass AAA 8 1 Network COMMOUTAION onc bee oe WES eR m 4m Che Row ESSA RA 8 1 Loromo mito DECS nero sepan piee s e sa 8 2 Software Version us 22464 ho eo a BARES Re ee REWER GEE aa 8 3 User Menu Options 2 2446 Whe beeen ha ee daw Bo ORE RR eee heehee 4o OR e 8 4 Enter New Login Password 4 uo moo obo e642 64 NEE 3e 3 39 Bae ws P 8 4 Display Edit Audio Encryption Key 4 4299 o3 o9 404244 ewe ee 8 4 Display Change Squelch Setting TR 240 only 2 a a a a a llle 8 4 Enable Disable Full Duplex TR 240 only ee ee 8 4 Enable Disable Out of Range Alert TR 240 only lees 8 4 Display Edit IP Address sce s s tbe gee rra rs p weg a 8 4 Display dmi MEM TLCC c TT 8 5 Enable Disable 802 11 WEP Encryption uu A rr ew e ca as 8 5 Display Edit WEP Encryption Key ee 8 5 Display Device MAC Address s s s s wok xo mox we eb Ro ENER E OED DEE EH SS 8 5 Enable disable MA
10. F01U117877 Kit Omni Antenna 5dB magnetic mount with TNC reverse polarity plug connector plus 1 5m 5 ft coaxial cable and TNC reverse polarity coupler jack to jack 14 1 Model Number ANT FBE ANT FPM Part Number F01U117872 F01U144923 F01U117869 F01U144924 F01U117868 F01U144920 F01U117873 F01U144921 F01U145150 F01U195019 F01U117972 F01U117970 F01U117971 F01U183685 POIUI95272 14 2 Description Flat Panel Directional antenna 11dB with TNC reverse polarity plug connector Kit Flat panel directional antenna 11 dB with TNC reverse polarity plug connector 7 6m 25 ft coaxial cable and TNC reverse polarity coupler jack to jack Dual Diversity Flat Patch Antenna with Dual Coax 11dBi Kit Dual Diversity Flat Patch Antenna 11dB with dual coax and TNC reverse polarity plug connector two 7 6m 25 ft coaxial cables and two TNC reverse polarity couplers jack to jack Metal Tilt and Swivel Antenna Mounting bracket for ANT FP Antenna Use for permanent mount of ANT FP Flat Panel Antenna 3 ft 0 9m coax with TNC reverse polarity plug connectors 10 ft 3m coax with TNC reverse polarity plug connectors TNC reverse polarity coupler Coupler is a reverse polarity jack to Jack Communications Cable Ethernet CAT 5e Cable 3 ft 09m Power supply for BTR 240 100 240 VAC input 12VDC 1 5A output 5 5 x 2 5 screw on plug AC pow
11. Frequency Range 350 Hz to 3800 Hz Dinamo EEN gt 62 dB Local Headset OU is add aaa ea pia a 70 mW into 3000 Programming Pori aa EE EE EE EE P RR Ethernet RJ 45 Power Requirements 52 02 0219 93 99 337933193 2 810 9 09 1 P529 9E E Li Ion Rechargeable BP 240 E ere E EE Up to 8 hours Battery Recharge Time via TR 240 beltpack 2 eee eee eee ee eee ee 8 hours yia CHG 240 four bay o AA Pad 9254552 2 hours Low Battery Indication J ac ee cata ri am Bor ono Re 15 minutes of battery life left Temperate Ramos auus ceed aed ege ee SE ES 4 F to 130 F 20 C to 55 C IR E EE 1 W Lx3 Wx5A H 45mm x 95mm x 133 mm KEE 12 9 oz 0 37 kg With no interference on the RF channel of operation Measured 3dB Total number of full duplex beltpacks include 8 wireless and 1 master Over the frequency range of operation Tested with over 28 half duplex users 3 3 This page intentionally left blank 3 4 Section 4 Initial Equipment Setup Unpacking Unpack the RTS System and retrieve the Package Contents list Verify that all contents have been received according to the Package Contents list Also ensure that none of the system components have acquired any damage Contact the shipper or dealer immediately if anything 1s damaged or missing Battery Installation and Removal The TR 240 features a removable and rechargeable Li Ion battery pack Model BP 240 that requires low maintenance and superior
12. If desired a user can plug the TR 240 into an AC outlet with the supplied external power supply while being used in wired mode 2 Plug headsets into the TR 240 beltpacks and turn them on one by one e Ifthe beltpack has not been previously set to wired mode press and hold the lt 2 gt button while the beltpack boots e Allow a few seconds between each beltpack power on e After approximately 20 seconds the wired voice prompt will be announced in the headset indicating that communication has started Wired Capacity Limit Up to 12 full duplex wired beltpacks can be used in the absence of a BTR 240 base station on a dedicated network for reliable and uninterrupted communications Many more half duplex beltpacks can be used If the TR 240 network 1s loaded beyond the capacity limit the usability becomes highly subjective The users will begin to experience drop outs and potentially delays in the audio NOTE The capacity limit may not be achieved if there is interference on the network For further details refer to Network Interference in Section 10 Wireless and Wired Mixed Mode A BTR 240 base station can also support a mixture of wired and wireless TR 240 beltpacks Figure 7 3 shows an example of this type of configuration Figure 7 3 Five Wired TR 240 s Communicating with 5 Wireless TR 240 s Set up 1 Selecta location for the BTR 240 base station and connect the power cord and antennas e When using
13. Microsoft Networks 4 wi Y Network Monitor Driver 8 Press the OK or Close button to exit the Local Area y Internet Protocol TCPAP Connections properties window A lt B NOTE Depending on the computer and operating system it may give notification that it should be restarted before pene ual the IP address changes will take effect Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Logging into a Device Show icon in notification area when connected Notify me when this connection has limited or na connectivity Before continuing ensure that all the steps have been successfully completed in the previous Network Configuration section 1 Ensure that the BTR 240 or TR 240 device is first powered off before connecting the Ethernet cable Figure 8 2 Local Area Connection Properties l NOTE Only the device being logged into should be connected to the computer If using a hub all other connected BTR 240s or TR 240s need to be powered off NOTE Atthis point make a note ofthe current settings on this eg so they can be placed back when done editing 2 Identify the IP address of the BTR 240 or TR 240 device the devices that is going to be logged into by locating the sticker on the unit Internet Protocol TCP IP Properties General You can get IP settings assigned automatically
14. battery pack is nearly exhausted On boot an error occurred and the unit could not finish the boot cycle On boot an error occurred and the unit could not finish the boot cycle Microphone gain on the other beltpack s is set too high On boot an error occurred and the unit booted with extra headset gain Microphone gain on the other beltpack s 1s set too low The headset microphone element on the other beltpack s is too far away from the user s mouth Solution Connect the antenna s to the BTR 240 The antenna connectors on the rear panel of the BTR 240 are labeled transmit TX and receive RX If antenna has cables make sure the correct cable of the antenna goes to the corresponding connector on the BTR 240 If the antenna has cables they are labeled transmit TX and receive RX The antenna connectors on the rear panel of the BTR 240 are also labeled TX and RX Antennas with cables must be connected to the properly labeled port Review Section 10 of this manual and sub section titled 802 11 Wireless Interference for instructions on how to avoid RF interference Charge the battery pack or replace it with a fully charged one Turn off the power to the TR 240 wait three seconds and then power on again Turn off the power to the BTR 240 wait three seconds and then power on again Review Section 5 BTR 240 and Section 6 TR 240 of this manual and sub sections titled Microphone Ga
15. be located where they will not have exposure to dust and moisture When using the TR 240 in conditions where moisture may occur the protective beltpack case should be used See Accessories and Replacement Parts for ordering information This page intentionally left blank 9 2 Section 10 RF Channels amp Interference 802 11 RF Channels Figure 10 1 displays the entire 802 11 RF channel spectrum for 2 4GHz In North America the BTR 240 system has the ability to operate on any RF channel between 1 and 11 In Europe China and Japan the BTR 240 system has the ability to operate on any RF channel between 1 and 13 Although there are several different frequency channel settings there is overlap between the channels In North America there are three non overlapping channels available Channels 1 6 and 11 In Europe China and Japan there are more non overlapping channels available Channel Numbers 9 10 11 12 13 14 1 2 3 4A 5 6 7 8 2 412 2 422 2 432 2 442 2 417 2 427 2 437 2 447 2 452 2 462 2 472 2 484 2 457 2 467 2 477 Channel Center Frequencies in GHz A P 22 MHz y Channel Bandwidth Fig 10 1 BTR 240 amp TR 240 RF Channelization Scheme 10 1 802 11 Non Overlapping Channels Each of the RF channels in the 2 4GHz spectrum has a 22MHz bandwidth which allows channels 1 6 and 11 to exist with no overlap In reality the 802 11 protocol for 2 4GHz does not actually defin
16. e Using the lt UP gt lt DOWN gt buttons find the desired intercom type off Local or Global and press lt SET gt to select The auxiliary output mode will stop flashing which indicates that 1t has been set and the intercom channels will now flash indicating that they are ready to be modified Hux OUT Global WP 1 ICir OF IC2 0H E V ne ven 253 5 Figure 5 33 Auxiliary Output Channel Settings Screen f Using the lt UP gt lt DOWN gt buttons find the desired intercom channels to activate Press lt SET gt to activate those channels and the LCD will go back to the Auxiliary Menu Screen return to Step 3 To modify the Auxiliary Levels g Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option Aux Levels and press SET to select the menu The levels are displayed only for the active auxiliary ports If no auxiliary port is active this menu option will not be accessible Figure 5 34 Auxiliary Levels Screen h Using the lt UP gt lt DOWN gt buttons navigate to the desired level to modify and press lt SET gt to select it The corresponding cursor and level number will begin flashing which indicates that the level can now be modified i Use the lt UP gt lt DOWN gt buttons to move the bar level up and down to the desired audio level and press lt SET gt to select it j Atthis point the user has three options i Press lt SET gt agai
17. features a special design with recessed battery terminals to avoid this scenario from happening The BP 240 battery pack also contains internal safety circuits itself to prevent any major risk associated with shorted terminals However care should be taken to prevent short circuits or damage to terminals when transporting the batteries The following guidelines must be followed to ensure safe transportation of the BP 240 rechargeable Li Ion battery packs 1 Transport the BP 240 battery pack while it is locked into a TR 240 beltpack 2 Transport spare BP 240 battery packs in a padded case separated from one another with non conductive materials 1 e a plastic bag 3 Do not transport batteries bundled together Cleaning The BTR 240 system should only be cleaned with a soft and damp cloth Never spray chemicals or cleaning solvents directly onto the units Temperature and Humidity The BTR 240 system is robust and designed to work in a wide range of environmental conditions When possible the BTR 240s and TR 240s should be stored and used in an environment as close to indoor room temperature and humidity conditions as possible NOTE Always perform system setup and configuration indoors and before deployment Especially for operation of the devices in temperatures that are near the system limitations The devices should never be exposed directly to extreme weather conditions The BTR 240 base station and power supply should
18. of 10 or more will prevent the beltpack from transmitting low levels of audio If two users are standing next to each other this will significantly reduce acoustic echo between those users By default the squelch is set to 0 or off The squelch can be modified to a level between 0 16 4 Enable Disable Full Duplex TR 240 only The Full Duplex menu option is only accessible to a TR 240 beltpack When full duplex is enabled the beltpack lt TALK gt button will activate the microphone path as normal operation For some applications a user may want to configure some of the TR 240 beltpacks to be listen only and never be able to transmit and take up system bandwidth When full duplex is disabled the beltpack lt TALK gt button will never activate the microphone path and a user will hear an error tone three tone pulses when the button is pressed to notify the user that they are restricted to half duplex only By default full duplex is enabled and the lt T ALK gt button will be able to activate the microphone path as normal S Enable Disable Out of Range Alert TR 240 only The Out of Range Alert menu option is only accessible to a TR 240 beltpack When a TR 240 beltpack is in wireless mode and is out of range from an access point BTR 240 or TR 240 in master mode an alert tone will sound in the beltpack headset to notify the user that they should move closer to the access point for reliable communication This feature can
19. one pair for receiving balanced audio It is important to ensure that the cables are wired correctly for proper system operation Refer to Figure 11 4 for the 4 wire 6 pin wiring diagram PIN 654 321 NC NOT CONNECTED NC AUDIO IN AUDIO OUT NC AUDIO IN AUDIO OUT Figure 11 4 4 Wire Wiring Diagram Auxiliary Input The auxiliary input jack is a combination jack It will accept either a 3 pin XLR or 4 6 3mm plug The expected input is a balanced line level input Refer to Figure 11 5 for the wiring diagram of the auxiliary AUDIO AUDIO GROUND SLEEVE Figure 11 5 Auxiliary Wiring Diagram Auxiliary Output Program The auxiliary output jack is a 3 pin XLR It outputs balanced The Program connector is a standard 8 pin modular jack RJ 45 audio at line level Refer to Figure 11 6 for the wiring diagram of This port is to be used with standard Ethernet cables of Category the auxiliary output Se or better The program connector has automatic crossover detection so both straight and crossover cables can be used Refer GROUND to Figure 11 8 for the wiring diagram of the program port AUDIO AUDIO RESERVED RESERVED TX TX RX RESERVED RX RESERVED MALE Figure 11 6 Auxiliary Output Wiring Diagram PIN 1 PIN 8 Speaker Output Figure 11 8 Program Wiring Diagram The speaker jack is a 2 pin jack that will accept a Pheonix type connector The speaker jack outputs balanced audio with a ma
20. seconds at a normal level with the microphone spaced one index finger width straight out from the user s mouth Re enable the TALK buttons on 2 wire devices If echo persists reduce the 2 wire output and or input levels or increase the squelch settings at the base station The beltpack s that did not re associate will need to be rebooted This page intentionally left blank 12 4 Section 13 Regulatory Information FCC and Industry Canada The BTR 240 and TR 240 comply with Part 15 of FCC rules and Canada RSS 210 Le BTR 240 et TR 240 conforme a la Partie 15 des reglements de la FCC et Industrie Canada RSS 210 Operation is subject to the following conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation 3 Use only the manufacturer or dealer supplied beltclip and or accessories for this device 5 This device must not be co located or operated in conjunction with any other antenna or transmitter The beltpack complies with FCC and Industry Canada RF exposure limits The beltpack is intended to be worn on the belt of the user Placing the beltpack in other locations on the body may reduce performance and void the user s authority by the FCC and Industry Canada to operate To comply with FCC and Industry Canada RF exposure requirements a separation distance of at least 20 c
21. t f f f nc nr mr SU L SU AH Figure 5 3 Status Screen RF Channel Selection The RF Channel Selection screen allows the user to manually select the RF channel of operation Steps to change the RF Channel l From the Status Screen press MENU on the BTR 240 front panel 2 Using the lt UP gt lt DOWN gt buttons navigate the cursor to the RF Channel menu option then press lt SET gt to select the menu S531e Lic m inl Es Figure 5 4 Main Menu Screen 3 The RF Channel Selection Screen is now displayed The current RF channel will be flashing indicating that it is ready to be modified EF Channe C hannes NT AT 2412 MHZ Figure 5 5 RF Channel Selection Screen 4 Use the lt UP gt lt DOWN gt buttons to move to a different RF channel or press MENU to abort changes and display current settings 5 Once the desired RF channel is flashing press SET to select and activate the channel 6 After the channel is set the RF channel will stop flashing and the LCD will pause while the wireless channel is reconfigured The LCD will automatically go back to the Main Menu screen after this process 1s complete return to Step 2 NOTE The RF channel of operation is remembered and BTR 240 will continue to boot on the same channel until it is set differently by the user Local Headset Interface Local Headset Interface Figure 5 6 Local Headset Interface T
22. the beltpack boots e Allow a few seconds between each beltpack power on e After approximately 20 seconds a voice prompt will announce wireless or wired in the beltpack headphones indicating that communication has started e The base station will increment the association status on the Status Screen next to Assoc XX for each of the active full duplex beltpacks 7 3 Mixed Mode Capacity Limit Up to 8 full duplex wireless beltpacks can be used with a single BTR 240 base station for reliable and uninterrupted communications on a clear RF channel Many more half duplex beltpacks can be used While using 8 full duplex wireless beltpacks an additional 2 wired beltpacks can be used with the base station and maintain a reliable communication link Ifa BTR 240 base station is loaded beyond it s capacity limit the usability becomes highly subjective The users will begin to experience drop outs and potentially delays in the audio Any combination of wired and wireless beltpacks is supported as long as there are no more than 8 wireless full duplex beltpacks and no more than 10 beltpacks overall NOTE The capacity limit may not be achieved if there is interference on the RF channel of operation or the network For further details refer to Wireless Interference and Network Interference in Section 10 Master Wireless Mode A master wireless mode configuration consists of only TR 240 beltpacks Only one of t
23. to navigate the menu options on the LCD lt SET gt button used to navigate the menu and select options on the LCD Backlit Graphics LCD liquid crystal display lt UP gt and lt DOWN gt buttons used to navigate the menu options on the LCD lt VOLUME gt control knob controls the volume for the local headset 2 1 10 6 7 8 9 9 AR 00 EY 10 O 9 O CHANNEL SELECT gt button controls the intercom channel to which the local headset is connected Each press of the button changes the connection and cycles between Intercom 1 Intercom 2 and both The corresponding LEDs will illuminate lt TALK gt button press to enable disable the audio path from the local headset The green LED above the lt TALK gt button will illuminate when active Local Headset Connector standard 4 pin XLR connector Male XLR connector for Telex units female XLR connector for RTS units A dynamic or electret headset microphone is automatically detected by the base station and a bias voltage 1s supplied 1f necessary Antenna Mount Knockouts remove as desired to mount the antennas on the front panel instead of the rear panel via coaxial cables Controls and Connections Rear Panel INPUT INTERCOM 1 INTERCOM 2 e m E Gi des lo ros iac AUDIO O Gs gio AUDIO JAP MADE IN USA d d x o o e Figure 2 2 BTR 240 Rear View 11 Transmit Antenna reverse TNC connector 16
24. user must install only the kits listed below Combinations of extension coaxial cables and antennas that result in a radiated power level exceeding 100mW EIRP are illegal in the European Union The user will find more information on these kits in Section 11 Accessories and Replacement Parts China Compliance Information The China version and European version of the BTR 240 are the same product This BTR 240 has a typical output power of the 50mW The EiRP Effective isotropic Radiated Power limit for China is 100mW The standard 3dB gain omni pattern antennas shipped with the European China version of the BTR 240 combined with its output power are under this limit However some applications may require the installation of remote antennas by the use of extension coaxial cables For this purpose the China version of the BTR 240 has been approved for use with kits in Table 13 1 The kits contain an antenna coaxial cable s of a length to make the EiRP compliant with the European Union and Chinese regulations and an adapter for coupling the antenna antenna pigtail to the coaxial cable Combinations of extension coaxial cables and antennas that result in a radiated power level exceeding 100mW FiRP are illegal in China BTR 240 Cable Antenna Maximum Antenna Kit Description European China Loss dB Gain dB repa Output dBm Min Mee RA SE SdBi gain omni magnetic mount 17 antenna with 1 2m 4 ft pigtail an
25. without remoting the antennas is OK RTS ala E ODIO KON KONKON KON Placing the BTR in a shelf or equipment rack with the antennas mounted on the back of the BTR or the side of the rack is NOT OK LO JO JO Figure 4 7 Equipment Rack Antenna Placement 4 3 TR 240 Beltpack The TR 240 beltpack contains two internal antennas which are located on the sides of the beltpack The beltpack should be worn on the belt or attached to a pocket at the hip with the buttons facing up Place the beltpack in a position that allows for greatest visibility to the BTR 240 base station antennas Figure 4 8 Beltpack on Hip NOTE For the best RF signal path do not allow the TR 240 to be within 6 inches 15cm of other objects while being worn on the belt Improving Reception and Increasing Range The optimal and most reliable performance will result from keeping the distance from the base station and beltpacks as short and unobstructed as possible Line of sight LOS is where the transmitters and receivers of devices have a clear sight to each other and the RF signal can travel in a straight line between those devices The best performance will be obtained by having line of sight from the base station to each beltpack This can be achieved by having the beltpack facing the base station antennas while being worn on the belt or in a pocket Attempting to operate the wireless intercom system thro
26. 2 1 Techical BDECHICAHONE aaa eke ae Res ee aa eee ee eee S SURG ES awe eee SS 2 3 Section 3 TR 240 Beltpack 2 0 aaa 3 1 Controls and Connections e ouo 602 44445 ORDRES ham dE E box E Wow 4 EMDR OOS 3 Technical Specifications a s s s s scs a ok amp 4b ook unus Sos od owe OR GR AAA 3 3 Section 4 Initial Equipment Setup 4 1 Burgi A 4 Battery Installation and Removal ssl sn 4 Battery Charging histFuetloliS s s s xoxo Re Xo EG x AE ER DE Eo xo md boso9 9 amp e Po 4 Belipacks Direct E co ha ec cada A 4 1 CHG 240 Quick CHAS gt roo nana sara 4 2 Belticlip Installation 42242426562 440 tarro Aa 4 2 Antenna C EE EE E ER Ee Ee eR ESE ESE 92 4 2 Antenna Polarization lt a ies anodino See eR EOS E ee x 4 2 Anoo PROGENIE gt lt 3 secarse Arado ES SEE ae Ex 4 2 BTR 240 Base Station lt lt 2222 s ins 4 3 TABERNA s iasa 4 4 Improving Range and Reception e usw ssi cs aeoe awad dea a 4 4 System Quick Start Guide 2 22r 4 5 Section 5 BTR 240 Operation aaa 5 1 Basic Operation DESCUIDO s a s xa Re rias raras ss 9334 5 1 Powering the Base Station ue duo coea de EE e Sew a e ded 5 1 Ee ee E ese erea a SRE ee RED ERASE aeaa R A 5 1 Slap CTE ENEE AAA AAA 5 1 eoi e ie PE x4 5h ko x5 EE aaa Ass 5 2 RF Channel Selection sa i amoa a aaa E SR AAA 5 2 Local Headset Mena sa ede uo a eee ness daa eae ROS TEE ee ee d 5 2 Talk BH EE 5 2 Channel Select DUO
27. 4 North America TR 240 beltpack with 4 pin female XLR jack F01U169596 Euro rechargeable battery and charger power supply F01U169598 China F01U149581 Lithium ion rechargeable battery pack for TR 240 CHG 240 F01U168552 North America 4 Bay Charger for BP 240 F01U169599 Euro F01U169600 China HOL 240 F01UI69866 Fabric holster with belt clip for TR 240 XOB F01U117870 Nylon Belt adjustable F01U144926 North American power supply charger for TR 240 100 240 VAC input 12VDC 500mA output 5 5 x 2 5 x 11mm plug F01U117878 Euro UK China Japan and Australian New Zealand power supply charger comes with interchangeable plug sets for the different regions Power supply is for TR 240 100 240 VAC input 12 VDC 500 mA output 5 5 x 2 5 x 11 mm plug F01U120575 North America BTR 24 Base Station and power supply F01U120576 Euro China NOTE User must provide IP address of all TR 240 BTR 240s in system with order BTR 24 RA 3 F01U144918 Omni Antenna 3dB with TNC reverse polarity plug connector RAT F01U117871 Omni Antenna 7dB with TNC reverse polarity plug connector AB 24 F01U117875 Antenna mounting bracket for omni antennas with 6 ft 1 8m coax cable F01U117876 Kit Omni Antenna 7dB with TNC reverse polarity plug connector AB 24 antenna mount bracket with 4 6m 15 ft coaxial cable F01U144919 Omni Antenna 5dB magnetic mount with 4 ft 1 2m pigtail and TNC reverse polarity plug connector
28. AC addresses are for both the wired and wireless network interfaces By selecting this menu option both of these MAC addresses are displayed 8 5 11 Enable Disable MAC Filtering MAC address filtering is an additional layer of security to a wireless network Each access point holds a list of wireless physical devices that are allowed or denied when trying to connect MAC address filtering only needs to be enabled on an access point BTR 240 base station or TR 240 beltpack in master wireless mode By default MAC address filtering is disabled CAUTION MAC address filtering adds additional security but also adds additional complexity Only advanced users should enable this feature for setup If done incorrectly devices may no longer communicate 12 Display Edit MAC Filter List When this menu option is selected the current list of MAC address entries are displayed When MAC address filtering 1s enabled from Menu Option 11 the access point will allow only wireless physical devices from this list to connect to it Users can add MAC addresses to the list or delete them from the list The maximum number of MAC address entries is 50 NOTE Before entering the list of MAC addresses into the access point the user must first login to each unit and record the wireless MAC address from it Menu Option 10 A MAC address has the format of XX XX XX XX XX XX where X is a hexadecimal number numbers 0 9 and
29. AC Filtering e Squelch Setting TR 240 only e Out of Range Alert TR 240 only e Full duplex Mode TR 240 only Computer Requirements Hardware e Laptop or desktop computer with a Network card 10 100 Based e Ethernet straight through cable use the green cable supplied with the system Operating System Microsoft Windows XP Windows Vista and Windows 7 Mac OS Linux Software Telnet or similar application that lets you communicate to a specified IP address most all computers have the Telnet application or a similar program installed by default NOTE Not all operating systems have the Telnet application enabled by default 1 e Windows Vista and Windows 7 Consult the operating system help documents for assistance enabling this application Network Configuration Use the following instructions to properly configure the computers Ethernet adapter to communicate to the BTR 240 or TR 240 device 1 Unplug any current RJ 45 network connection from the computer 2 Navigate to the Network Connections window Start gt Control Panel Double click on Network Connections 3 Open the properties window for the Local Area Connection Right click on Local Area Connection Select Properties n Network Connections File Edit View Favorites Tools Advanced Help Qe B see Es Folders i Address amp amp Network Connections LAN or High Speed Internet
30. Any users that do not really need to be in full duplex mode transmitting all the time should be placed in half duplex mode transmitting only while the lt TALK gt button is pressed This reduces the capacity load and will perform significantly better in an environment that contains interference Move Wireless Users to Wired If wireless users are located near the base station and do not need roaming capabilities they could be attached to the base station via Ethernet cable This would reduce the wireless capacity load and perform significantly better in an environment that contains interference Wired Network Interference The BTR 240 system allows both wireless and wired users to operate at the same time Similar to wireless interference wired users may experience performance degradation 1f operating over an existing Ethernet infrastructure that has a lot of traffic How to Avoid Network Interference When connected to an existing Ethernet infrastructure it will be difficult to control the network interference because many users may be connected If other connected users are performing any operations such as video streaming or large file downloads and transfers this may render the performance of the BTR 240 and wired TR 240s unusable l Use a Dedicated Network for the BTR 240 System e The recommended and absolute best option for the BTR 240 system 1s to use a dedicated network for wired devices In this scenario only BTR
31. C Filtering ico ra AAA 8 5 Display Edit MAC Filter List ceda a PEA IEA 8 5 EIC ce ee soso nana EE aes Bee eS 8 5 Section 9 Maintenance and Care 9 1 Lon DdifeH S e aimara ee YER we Oe EG eee ee oe ES P 9 1 hruca15 saan ee Ge een Roe aaa AAA 9 1 Long Term Battery Storage os e oue ox XOEOR ROG ORO AAA AA 9 1 Battery Transportation s s ss sa Roue ss 4 4b orar 9 1 E E EENEG 9 1 Temperature and Humidiiy i a s s sd sonas ada eRe ee 4 UR LOS 9 1 Section 10 RF Channels and Interference 20 2 2 20 llle 10 1 ENER EE 10 1 802 11 Non overlapping Channels ss 10 2 COMAC Aie chee bebe PRR4 xXq9 45539894554453 9255935343 1 10 2 Data vs Real time e SEENEN 10 2 S0Z LI Wireless E EE o s s c5 Rx OR ASSAEGGYGEUeee 22 93 2445 3 3 10 3 Wired Network Interference e xu ck ig ve bbe x 39 Ge X XR ERE ERE AER o ESSE EG 10 4 Section 11 Hardware Specifications 2 0 2 a s 11 1 DWH P eee eens oes Gee ENE Eee SE Eee ee Hee eee ee we ee 11 1 Cocal o anges 58 cea eRe ee X 3 A BOR RON DO ee Ae m NOS MORE E S x 11 2 o A O A RN 11 2 Auxiliary Input ies Rex o34o3 Ro 309 Pk RUR rar AIR A 11 2 AMA UU es payaso 9 9k ee RE Hee EO EE 98 54 11 3 Speaker JUIDUls 24 a eae eo oe ee ee oe eee SS eo E 11 3 PIO ca Sw 3 309 9 3 EORR SCA NOE GRO m S RON NOR 9 9 SOR WO E EORUM EORR S SUA NOE 11 3 1Y Section 12 Troubleshooting auaa aaa s 12 1 Section 13 Regulatory Information 13 1 FCC amd Indust Canada gt aa b
32. For example a BTR 240 base station has 6 full duplex wireless beltpacks and 28 half duplex beltpacks If 2 of the half duplex beltpacks became full duplex at the same time the system will still be operating within the system limitations If 4 of the half duplex beltpacks were to become full duplex for a total of 10 full duplex beltpacks then the system would be operating beyond its loading limit and the users will begin to experience audio drop outs and potentially delays in the audio NOTE The capacity limit may not be achieved if there is interference on the RF channel of operation For further details refer to Wireless Interference in Section 10 Wired Mode A wired mode configuration consists of only TR 240 beltpacks connected together via Ethernet cable or through a building s existing Ethernet infrastructure This type of configuration is shown in Figure 7 2 Location 1 Location 2 ig Building l Infrastructure Figure 7 2 Ten TR 240 s Communicating via Ethernet Infrastructure Set up 1 Connect the TR 240 s to each other via Ethernet cables e Use category 5e or better Ethernet cables that are wired to standards T 568A or T 568B most Ethernet cables are built to these standards e Do not use more than 100m 328ft of Ethernet cable between devices e
33. Intercom Channel 2 Input Output interface to wired intercom system 2 12 Program Input RJ 45 jack used for wired Ethernet connections configuration and to update firmware 2 Wire male and female 3 pin XLR connectors wired in parallel The connectors are 13 Receive Antenna reverse TNC connector switched to the appropriate intercom configuration via the menu options 14 Speaker Output one 2 pin connector to attach cables 4 Wire an RJ 11 jack compatible with Matrix and a speaker type intercom systems 15 Intercom Channel 1 Input Output interface to wired 17 i Auxiliary Input Output one 3 pin female XLR 1 4 intercom system 1 inch combination input connector and one 3 pin male XLR output tor 2 Wire male and female 3 pin XLR connectors ege wired in parallel The connectors are switched to the appropriate intercom configuration via the menu options 18 DC Input Jack accepts 12 15 VDC 1 5 Amp source to power the base station 4 Wire an RJ 11 jack compatible with Matrix 19 Chassis Ground grounding point of the base station type intercom systems rS Technical Specifications BTR 240 RP Technolo a L IEEE 802 11b Wi Fi FCO TACODSS 200 wee pee es sae aero tora Paw bes Bae eh e No License Required Frequency Band of Operation o AAA 2 412 to 2 462 GHz igi RE EE EE EE EE EE ER 2 412 to 2 472 GHz Transm
34. Level Figure 5 37 Speaker Menu Screen The Spk Settings option will allow the user to select which audio intercom channels are routed to the speaker port The Spk Level option will allow the user to change the output level for the speaker port To modify the Spk Settings continue with Step 3a To f From the Speaker Level Screen the user has three modify the Spk Level jump to Step 3c options To modify the Speaker Settings 1 Press lt SET gt again to re adjust the level return to Step 3e a Using the lt UP gt lt DOWN gt buttons navigate the 11 Press the lt MENU gt button to go back to the cursor next to the menu option Spk Settings and Speaker Menu Screen return to Step 3 press lt SET gt to select the menu 111 Press and hold the lt MENU gt button for 1 2 second The Speaker options menu is displayed and the current to return directly to the Status Screen status is flashing 4 When finished editing from the Speaker Menu Screen the user has two options a Press the lt MENU gt button to go back one menu screen return to Step 2 b Press and hold the lt MENU gt button for 1 2 second to return directly to the Status Screen Figure 5 38 Speaker Settings Screen b Using the lt UP gt lt DOWN gt buttons find the desired intercom channels to activate at the speaker port and press lt SET gt to select The LCD will go back to the Speaker Menu Screen re
35. N aia kon Rok Ro 555 ORE 3 R4 EORR OR 0899 303 eee EERE 5 2 VOIUMIC uou Sos ROROEIPAUOSSEOS RUN E e R4 EUREN EE RM B Re WIES E ae 5 2 Microphone Gain and Sidetone Level 5 3 Squelch Level escenas we eae Pu eee dos w den de AAA 5 3 External Audio Interface Settings x doe 3 9m oso das Be eae HS 3 9 x3 OR BOR aeRO HS 3 5 4 ZWO MECOM wo 20m 3 asas Be dg 43 3 4 4 ep P x eS 5 4 Echo Cancellation excitar eee aa ara 5 7 4 Wire Matrix Intercom 5 7 Auxilhary Input OPI s s sa s sa sme eaa tras osos dr A So 5 8 Speaker Qul a e s e maau e hee ae oop hee asas BG 5 10 CISCO orense 5 12 vg CEET 5 12 Sallwale VCISION lt a 2229 votar ao AAA AAA 5 12 SVEM ROOG dema ERO Re aa 5 12 BDIBR40 Menu SHUCHI we oe eo wk he ee POR oe ee ew a ee eS ee eG 5 14 Section 6 TR 240 Operation 2 0 2l ss seas 6 1 Basic Operation Description a s s asas anaana diny kia dadi E X RB dana amp o Rm E x 6 1 io AMA A 6 1 Local Headset Configuration 6 1 Channel Select BUONS s s s nou Rx Xo ee Oe EER ee 9 e YEG 6 1 pc docu ceo 6 1 b pu PTT 6 2 Microphone Gain Adjustment 6 2 Sidetone Level Adjustment sisa we 3x v e xx os be xx 3x EXSYSTS 6 2 Mode of Operation a a si cence a s A GEO S A 6 2 but 21i osea aaa da A 6 2 Wired Mod e cuum E E o E ee oe EE Ee se ee dE Ee Ee seq X223 6 2 Master Wireless MOS lt gt Rok o3 2 9 3 ear 6 3 Low Battery leren EENEG 6 3 Mode Identification Software Version 2 a 6 3
36. Operating Manual BTR 240 TR 240 Wireless Intercom System Bosch Security Systems Inc CE O Thank you from Bosch We at Bosch Security Systems Inc would like to take this opportunity to thank you for choosing the RTS BTR 240 Wireless Intercom System Many of the features in this product are the result of years of development work with many of the features developed from customer feedback We hope that your experience with this product is a pleasant one and hope to provide you with a continuing line of RTS products well into the future In order to get the most out of your new wireless intercom system please take a few moments to look through this operating manual before using the product for the first time Bosch Security Systems Inc BOSCH RTS Proprietary Notice The product information and design disclosed herein were originated by and are the property of Bosch Security Systems Inc Bosch reserves all patent proprietary design manufacturing reproduction use and sales rights thereto and to any article disclosed therein except to the extent rights are expressly granted to others Copyright Notice Copyright 2011 by Bosch Security Systems Inc All rights reserved Reproduction in whole or in part without prior written permission from Bosch is prohibited All other trademarks are property of their respective owners Warranty and Service Information For warranty and service information refer to the appr
37. RTS or ClearCom and press lt SET gt to select CAUTION Do not switch between 2 wire types when the BTR 240 base station is connected to a powered 2 wire system The voltage differences between systems may cause damage to the equipment The intercom type will stop flashing indicating that the type has been set Now the intercom channels will flash indicating that they are ready to be modified Figure 5 19 2W Channel Settings Screen c Using the lt UP gt lt DOWN gt buttons find the desired intercom channels to activate and press lt SET gt to select The menu screen will stop flashing and the LCD will pause for approximately 3 seconds while the 2W is configured The LCD will automatically go back to the 2W Intercom Menu Screen after this process is complete return to Step 4 5 6 d Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option 2W Levels and press lt SET gt to select the menu The levels are displayed only for the active intercom channels If no intercom channels are active this menu option will not be accessible gt A ICI Inti 2 ICi Out m zM IC2 In H 2M IC2 Out E CC RRA GI FR CO F Figure 5 20 2W Levels Menu Screen Using the lt UP gt lt DOWN gt buttons navigate to the desired level to modify and press lt SET gt to select it The corresponding cursor and level number will begin flashing which indicates tha
38. Requirements EEN 12 15 VDC 1 5 Amps Temperature Kano acepciones es boy eres cerdas obesas 4 F to 130 F 20 C to 55 C REES V3 ESO a n dea RU unit 7 5 Lx 19 W x 1 75 H 191mm x 483mm x 45mm blico 3 b 7 5 oz 1 58 kg With no interference on the RF channel of operation Measured 3dB Tested with over 28 half duplex users Over the frequency range of operation 2 3 This page intentionally left blank 2 4 Section 3 TR 240 Beltpack Controls and Connections Top Panel Figure 3 1 TR 240 Beltpack Top View On Off amp Volume Control turns the beltpack power 4 lt TALK gt Button press to enable disable the audio on off and controls headset volume path from the headset microphone Battery Light The active intercom channel light will remain illuminated when the microphone path is enabled The active intercom channel light will blink when the microphone path is disabled GREEN Battery OK YELLOW Battery Low 15 mins of use left RED Battery Low battery needs charge Channel lt 2 gt Blue Button and Light selects the Channel 2 intercom The green light next to the button will illuminate upon selection Channel lt 1 gt Green Button and Light selects the Channel 1 intercom The green light next to the button will illuminate upon selection 3 1 Controls and Connections Bottom Panel
39. SUSISMARESIONO es d u 3 cw euros ca a a ee de 6 4 Section 7 System Operation 2 2 ss S s as 7 1 Witeless OUS a re nea oss s x REX Y 9922 4 2534 439 9 9295294995 93954559 we 7 1 DECI aaa x 9 RON S RIA EN RS RS EE uw Sm M NRI NN baa E S XS 3 7 1 Wireless Capacity Limit iz sis Rok xo eee eee EE ada 7 1 Wired Mode x oom he ee kb bees RSEN Sd daras ss 7 2 d IM eae ee ans Ceeeew eaten ee eae eee eee Oe So ee 7 2 Wied Capac LOT ose oa he oda 9 9 402 Ro 5 oe qe UR duod 7 2 Wireless and Wired Mixed Mode 7 2 ln ee e he E E ee A As e 7 2 Mix ed Mode Capacity Limit vox sesa Xo Ee E ee EE d 7 3 Master Wireless Mode ss ra wesa E EEN Eom Rex rra 7 3 gt osado dada read 7 4 Master Wireless Mode Capacity Limit a a a a a a 7 4 Tour Group Example EEN 7 4 Linking Multiple Base Stations o uw EEN EE EN 3o e RE 4 Oe Ne 9 43 x x3 7 5 Cell Type Arschitectufez o lt 4h 645 oros E ox 403 ee Re eh Shee AA AE RS 7 5 Channel Spacing and Utilization lt lt rss 7 5 Separation Distance and Antenna Cam 7 6 Type OF Environment reposar Pew ee PS ee 9 6x Rd SSeS 7 6 Guidelines for Deployment Optimization with Multiple BTR 240s 2 1 sss 7 6 BTR 240s Linked via Ethernet ze o sa ceos 9 eX 9 33 3 3 RIB RE X OR eee oa ee X X oe we d a 7 7 BTR 2408 Linked via 2 Wite lt 24 aee pex x moe 99 cirat 4 408 x 93 4X 39 rs 7 8 BTR 2408 Linked via 4 Wire soos gogo Rok RUE on om
40. Settings jump to Step 3d To modify the Aux Levels jump to Step 3g 5 9 To modify the Auxiliary Input Settings a Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option Aux IN Settings and press lt SET gt to select the menu The Auxiliary Input options menu is displayed and the current status is flashing Aux IN DP Ici OFF IC2 OFF Figure 5 30 Auxiliary Input Mode Settings Screen Using the lt UP gt lt DOWN gt buttons find the desired intercom type off Local or Global and press SET to select The auxiliary input mode will stop flashing which indicates that 1t has been set and the intercom channels will now flash indicating that they are ready to be modified Hux IM Local ra sl Itz OF N N T ICIS ON Figure 5 31 Auxiliary Input Channel Settings Screen Using the lt UP gt lt DOWN gt buttons find the desired intercom channels to activate Press lt SET gt to activate those channels and the LCD will go back to the Auxiliary Menu Screen return to Step 3 To modify the Auxiliary Output Settings d Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option Aux OUT Settings and press lt SET gt to select the menu The Auxiliary Output options menu is displayed and the current status 1s flashing N d N Figure 5 32 Auxiliary Output Mode Settings Screen
41. The switch will click and the Battery Light will immediately illuminate To turn the beltpack off simply rotate the knob pointer counter clockwise until it clicks into the OFF position and the Battery Light will turn off NOTE Ensure that the battery packs is fully charged prior to use Refer to the Battery Charging Instructions in Section 4 6 1 Local Headset Configuration The local headset on the beltpack is configurable with the following adjustable settings e Channel Select buttons e Talk button e Volume knob e Microphone gain adjustment e Sidetone level adjustment Channel Select Buttons Press the lt 1 gt button to activate the audio path associated with only Intercom 1 Press the lt 2 gt button to activate the audio path associated with only Intercom 2 Press the lt 1 gt and lt 2 gt buttons simultaneously to select the audio path from both intercom channels The green LEDs above to the channel select buttons will illuminate when the intercom channel is active Talk Button The lt TALK gt button 1s used to enable and disable the headset microphone path When the microphone path is enabled the green LEDs above the active audio channel s will be solid When the microphone path is disabled the green LEDs above the active audio channel s will blink By default the audio path from the attached headset is enabled after the unit has booted A beltpack is full duplex simultaneous tal
42. Version Once a TR 240 has booted successfully a user can determine the mode in which the beltpack is operating as well as the current software version of the beltpack lt 1l gt lt 2 gt For approximately 5 seconds Release the buttons once the voice prompts begin and the green channel LEDs turn off Key Sequence After the button sequence has been pressed the beltpack will announce a sequence of three voice prompts The beltpack will first identify which of the modes it is operating The voice prompt will announce wireless wired or master wireless in the headset A voice prompt will then announce the beltpack model number followed by the software version number in the headset For example Wireless TR 240 Rev A For a beltpack that does not have a headset attached a blinking sequence is also displayed by using the Battery LED indicator to indicate the mode of operation no blink sequence EI E E Wireless mode Wired mode Master wireless mode E System Restore The beltpack has the ability to restore all the settings and parameters back to the factory default state The settings that are restored include the following e Mode of Operation e Talk Mode e Microphone Gain Sidetone Level e User Configurations described in Section 8 Login Password IP address SSID Audio Encryption Key Wireless Encryption Key MAC filtering Squelch
43. W Settings and press lt SET gt to select the menu The 4W intercom options menu is displayed and the current status 1s flashing Figure 5 25 4W Settings Screen b Using the lt UP gt lt DOWN gt buttons find the desired intercom channels to activate and press lt SET gt to select The LCD will go back to the 4W Intercom menu return to Step 4 To modify the 4W Levels c Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option 4W Levels and press lt SET gt to select the menu The levels are displayed only for the active intercom channels If no intercom channels are active this menu option will not be accessible Figure 5 26 4W Levels Screen 5 8 d Using the lt UP gt lt DOWN gt buttons navigate to the desired level to modify and press lt SET gt to select it The corresponding cursor and level number will begin flashing which indicates that the level can now be modified e Use the lt UP gt lt DOWN gt buttons to move the bar level up and down to the desired audio level and press lt SET gt to select it f From the 4W Levels Screen the user has four options 1 Press lt SET gt again to re adjust the same level return to Step 4e 11 Use the lt UP gt lt DOWN gt buttons to navigate to another level to modify return to Step 4d 111 Press the lt MENU gt button to go back to the 4W Intercom Menu Screen return to Step 4
44. a minimal error rate When the characteristics of the antenna become un optimized for the frequency of use and results in RF signal loss Typically occurs when antenna is used near large metal objects When a user s voice is heard in the headset at a noticeable time interval after they have actually spoke Occurs from any digital system with audio latency IEEE 802 3 standard for implementing local area networks A device that has simultaneous talk and listen capabilities A device that has listen only capabilities Set of standards for implementing wireless local area networks developed by the Institute of Electrical and Electronics Engineers Internet Protocol address A unique set of numbers to identify a particular device on a network Wired Local Area Network 15 1 Latency LCD LED License Free LOS MAC address Master Wireless Mode Momentary Multicast Network line echo Omni directional Push to latch Push to transmit RF channel Sidetone SSID Squelch Level WEP Wi Fi Wired Mode Wireless Mode WLAN Time interval from when audio is sent from a device until it is received by another device Liquid Crystal Display Light Emitting Diode Device uses frequency bands that do not require the user to obtain an approval for use Specifically the 2 4GHz ISM frequency band for 802 11 WLAN Line of Sight When the transmitters and receivers of wireless devices have a clear sight to eac
45. alk Button Press the lt TALK gt button on the front panel to enable the audio path from the local headset microphone The green LED above the talk button will illuminate when the audio path is enabled and will be off when the audio path is disabled The amount of time the button is pressed indicates how the audio path is enabled Momentary Press and hold the lt TALK gt button for longer than Y second and the microphone path will be enabled When the lt TALK gt button is released the microphone path will be disabled Push to Latch Tap the lt TALK gt button for less than Y second and the microphone path will latch and remain enabled after the button 1s released Tap the button again to turn off the latch and disable the microphone path Channel Select Button Pressing the lt CHANNEL SELECT gt button will select the intercom channel for the local headset Each press of the button will cycle through the options Intercom 1 Intercom 2 and both The green LEDs above the button will illuminate for which intercom channel is currently active for the local headset Volume The local headset volume is controlled from the front panel by turning the lt VOLUME gt knob clockwise and counterclockwise to increase and decrease the volume respectively Microphone Gain and Sidetone Level The microphone gain controls the level of audio from the local headset microphone path that is distributed to the external audio interfaces and tra
46. also be disabled so that no alert tone is heard in the headset By default the Out of Range Alert 1s enabled 6 Display Edit IP Address The IP address is a unique set of numbers to identify a particular device on a network The IP address must be different on each device to operate and communicate with each other When a BTR 240 system is purchased with TR 240s they will all be pre programmed with different IP addresses and ready to work When using additional TR 240s that were purchased separately itis possible that the IP addresses match and need to be changed The IP address format for the BTR 240 and TR 240 is 192 168 1 X where X is a number between 1 and 254 CAUTION Be sure not to use the same IP address for more than one system device ALL base stations and beltpacks must have different IP addresses in order to communicate Each BTR 240 and TR 240 device comes with a sticker that indicates the IP address it was set at the factory When changing the IP address make sure to record or write it underneath the original IP address in permanent marker NOTE 7 Display Edit SSID The Service Set Identifier SSID is a phrase to identify a particular wireless network The SSID must be the same on all wireless devices to communicate The maximum SSID length is 32 characters The SSID is upper and lower case sensitive Any combination of letters numbers punctuation and spaces can be used For example Hello wor
47. and 13 2 The following country has additional restrictions requirements Or France If the product is used outdoors output power must be restricted in some parts of the band The table below details the information Please check with http www arcep fr for more details or any recent compliance changes France Dans le cas d une utilisation en ext rieur la puissance de sortie est limit e pour certaines parties de la bande Reportezvous la table ou visitez le site Web http www art telecom fr pour de plus amples d tails Rf Power EiRP RE Channel Area Indoors no restrictions Outdoors Outdoors Antenna Configurations The European version of the BTR 240 has a typical output power of the 50mW The EiRP Effective isotropic Radiated Power limit for the European Union is 100mW however always check the regulations within the country of use The standard 3dB gain omni pattern antennas shipped with the European version of the BTR 240 combined with its output power are under this limit However some applications may require the installation of remote antennas by the use of extension coaxial cables For this purpose the European BTR 240 has been approved for use with kits in Table 13 1 The kits contain an antenna coaxial cable s of a length to make the EiRP compliant with the European Union regulations and an adapter for coupling the antenna antenna pigtail to the coaxial cable The
48. d an 24 5 19 6 additional 1 5m 5 ft of coaxial cable 50mW 91mW EiRP and an adapter 7dBi gain omni with AB 24 antenna 417 19 8 mounting bracket and 4 6m 15ft of AS 5 SS Ve coaxial cable 50mW 96mW EiRP I IdBi gain directional flat panel 17 19 8 antenna with 7 6m 25ft of coaxial cable SN FP 11E and and adapter 50mW 8 2 11 96mW EiRP 11dBi dual flat panel antenna with dual 17 19 8 ANT FBE pieces of 7 6m 25ft coaxial cable and g2 11 es Table 13 1 Approved antenna kits for use in the European Union and China that ensure an EiRP of 100mW or less 13 3 EU Declaration of Conformity The version of the BTR 240 and TR 240 which display the requirements of the R amp TTE Directive of the European Union CE mark on the product label are compliant with the essential The Declaration of Conformity is displayed below Communications Systems C EC Declaration of Conformit The undersigned representing the following manufacturer Manufacturer Bosch Security Systems Inc Address 8601 East Cornhusker Highway Lincoln NE 68507 USA Authorized Representative where Technical Construction File is held EVI Audio GmbH Sachsenring 60 D 94315 Straubing Germany hereby declares that the following product s Material No CTN Description F01U168688 BTR 240 A4M EU Wireless Intercom Base Station with A4M Headset Connector F01U168689 TR 240 A4M EU Wireless I
49. e Ges Bae a EIS RORIS RUE S Ae ee AE 13 1 EU Compliance Information 6523 oy o 444086 be ok ee Re Ro OX ERG Es 13 2 China Compliance Information gt s cesos 53093 9 8 soa aoa X Ooxc m 9 S mox e x 3 5 13 3 EU Declaration of Conformity xoxo os ees Ux e a 3 X AA 353 13 4 Section 14 Accessories and Replacement Parts 14 1 Section ES GIOSSAEV amp ox ane heed ERE E XOxR1B e X 0 O9 4 OR OEC E CEOE 4 3 Oe doo d x9 15 1 Section 1 Introduction General Description The RTS BTR 240 is a digital multi channel wireless intercom system offering reliable and secure full duplex communication with up to 8 wireless TR 240 beltpacks and almost an unlimited number of half duplex beltpacks Operating in the 2 4 GHz frequency band the BTR 240 system uses the widely adopted IEEE 802 11 technology and is approved for license free use in most countries The system also incorporates ClearScan intelligence which will automatically select the optimal radio frequency RF channel for communication The RTS BTR 240 has the ability to configure multi level 802 11 wireless security features such as packet encryption and MAC address filtering as well as 64 bit audio encryption to provide a highly secure wireless intercom system The BTR 240 offers two audio channel operation allowing users to select between two individual audio channels of communication The system permits users to talk and listen or listen
50. e a width of the channel It does however define a spectral mask or channel shape to which a transmitter must conform The specific requirements are that the signal must be at least 30dB at 11MHz from the center frequency This defines the main lobe and 1s where the 22MHz bandwidth is derived The signal must also be at least SOdB at 22MHz from the center frequency and beyond gt Main Lobe Sideband Lobe H A fc fc fc fc fct 22MHz 11MHz 11 MHz 22 MHz Figure 10 4 802 11 Transmitter Spectral Mask at 2 4GHz Figure 10 5 shows that the non overlapping RF channels actually do overlap at lower signal levels The reality 1s that even though the overlap of non overlapping RF channels is measured at 30dB or 50dB those levels are still strong enough to cause interference especially when in close proximity to each other 2 412 GHz 2 437 GHz 2 462 GHz Channel 1 Channel 6 Channel 11 Figure 10 5 Actual Spectrum of Non overlapping RF Channels 10 2 CSMA CA The reason devices can communicate without collisions in the environment is a mechanism in the 802 11 protocol called Carrier Sense Multiple Access Collision Avoidance CSMA CA Before a device transmits an 802 11 packet over the wireless channel the device performs a Clear Channel Assessment CCA which is a measurement of the amount of energy in the channel If the CCA fails the device identifies the chann
51. e has been approved for use with the BTR 240 Users should only use the supplied power source when operating the BTR 240 For replacement power supplies see the Accessories and Replacement Parts section for ordering information Boot Screen Once the power switch on the BTR 240 has been turned on the buttons and LCD backlights will illuminate The base station takes approximately 25 seconds to complete its boot cycle While the base station 1s booting the status is indicated by a progress bar on the LCD Bosch Communications BTR 24H Figure 5 1 Boot Progress Screen Start up Screen Once the base station has finished booting and the progress bar has been filled completely the Start up Screen will be displayed for approximately 3 seconds While this screen is displayed it will blink the software version numbers of the base station The first one will be shown in the lower left corner and the second in the lower right corner of the LCD Figure 5 2 Start up Screen NOTE A complete screen flowchart of the base station is available in Figure 5 47 at the end of this section Status Screen The Status Screen 1s the main information screen of the base station It displays the status of all the system items e RF Channel of operation e Beltpack full duplex Association e 2 Wire Intercom Settings e 4 Wire Intercom Settings e Auxiliary Input Settings e Auxiliary Output Settings e Speaker Setting Indicator
52. e login name of rts240 2 This option allows the user to view the current audio encryption key as well as modify it The audio encryption must be the same on all devices to communicate The maximum key length is 80 characters The key is upper and lower case sensitive Any combination of letters numbers punctuation and spaces can be used For example This RTS BTR 240 System is great may be used as the encryption key Display Edit Audio Encryption Key By default the encryption key is set to 2345 CAUTION Use a key that is easy to remember or write down the key when changed ALL beltpacks must have the same key entered in order to communicate 3 Display Change Squelch Setting TR 240 only The Squelch Setting menu option 1s only accessible for a TR 240 beltpack the squelch setting for the BTR 240 is controlled from the LCD screen The squelch setting is a feature that can be enabled to reduce noise and or echo that is transmitted from the beltpack The squelch setting effectively acts as a noise gate at the beltpack for the transmitting audio If the beltpack audio input level does not meet or exceed the level that is set by the squelch then no audio is transmitted For example a squelch level of 00 is off and the beltpack will transmit all audio A very low squelch level of 01 or 02 will transmit all audio but will reduce noise when the intercom channels are inactive A high squelch level
53. eard in base station or beltpacks After changing the RF channel or running a Clear Scan beltpack s no longer communicate The Assoc 1s incorrect on the BTR 240 Status Screen and the Out of Range alert is heard in the beltpack s Possible Cause e Acoustical Echo Line network Echo only if a 2 wire system is connected and active Beltpack s did not re associate on the new RF channel Solution Disable the TALK buttons of each BTR 240 and TR 240 device one by one to identify if the echo is coming from one particular source When the echo source s have been identified try the following echo avoidance techniques at that device Use a headset with a better acoustical isolation between headphones and boom microphone Ensure all active devices have headsets attached Reduce the headset volume Reduce the microphone gain Reduce the sidetone level Increase the squelch level see Sections 5 and 8 for the BTR 240 and TR 240 instructions respectively First follow all the solutions listed under Acoustical Echo to ensure that 1s not an acoustical echo problem Verify that the 2 wire settings and connections have been properly configured Use the following procedure Turn off the 2 wire settings Disable the TALK buttons on all 2 wire devices Turn the 2 wire settings back on Talk into the base station local headset or an associated beltpack for at least 5
54. el as busy and has to back off wait to send it s transmission until the channel is all clear The CSMA CA mechanism is also the reason why interference must be avoided When using overlapping channels or non overlapping channels portions of the spectrum are shared and transmissions can be heard by all devices The CCA of a device will fail if it detects a strong enough interfering signal even if that it is not intended for that device Data vs Real time Audio Interference can exist with any IEEE 802 11 WLAN In many areas users may find several near by access points to which they can connect all of them may even be on non overlapping RF channels The difference 1s the application of data vs real time audio For data applications in the presence of RF interference the effect may be slightly longer download upload speeds while the devices are waiting for the channel to become clear This may even go un noticed to a user when browsing the internet or downloading files For a real time audio application like the BTR 240 system devices cannot simply wait for extended periods of time for the channel to become clear If the channel is not clear after a specific waiting period the information packet is simply dropped When this happens the result is a tick or pop in the received audio For speech applications an occasional tick or pop may be tolerable but for systems with a lot of interference consecutive ticks a
55. eltpack becomes full duplex and will transmit continuously until the user releases the TALK button A maximum of 8 members of the group could push their lt T ALK gt buttons and talk at once Linking Multiple Base Stations Users have several options when linking or connecting multiple BTR 240 base stations together This can be accomplished by a digital connection via Ethernet or analog connection via 2 wire or 4 wire Each type of link has tradeoffs regarding capacity latency and audio quality When deploying multiple 2 4GHz 802 11 access points such as the BTR 240 base stations there are interference considerations that must be taken into account to ensure that users obtain the optimal performance The interference between multiple access points on the same RF channel is called co channel interference CCI and the interference between multiple access points on different RF channels is called adjacent channel interference ACI These types of interference are discussed in further detail in Section 10 RF Channels and Interference of this manual To avoid the effects of RF interference with multiple access points however a specific deployment strategy called a cell type architecture is required to ensure optimal performance Cell Type Architecture A cell type architecture is a deployment strategy where the BTR 240 base station provides wireless coverage for it s own co located beltpacks only The coverage area
56. er cord not included North American Power Cord for BTR 240 Power Supply EURO Power Cord for BTR 240 Power Supply U K Power Cord for BTR 240 Power Supply Japan Power Cord for BTR 240 Power Supply China Power Cord for BTR 240 Power Supply Model Number Part Number F01U118470 Telex Type F01U118472 RTS Type F01U148674 2 ft 61m F01U144090 6 ft 1 83m F01U118903 25 ft 7 6m F01U118904 50 ft 15 2m F01U143100 100 ft 30 5m 14 3 Description 2 Wire Termination Load XLR Type 2 Wire Termination Load XLR Type Single channel intercom cables with XLR 3 M F connectors This page intentionally left blank 14 4 Section 15 Glossary AAEC ACI Acoustic Echo AP only Mode Capacity CCA CCA Area CCI Cell Type Architecture Channel Utilization ClearScan Coverage Area De tune Echo Ethernet Full duplex Half duplex IEEE 802 11 IP address LAN Automatic and Adaptable Echo Cancellation Automatically and continuously detect line echo and assist in removing it for improved communication Adjacent Channel Interference The interference between multiple access points on different RF channels The coupling of audio from a headset back into it s own attached microphone or another microphone nearby Result from using a digital intercom system with latency when 1 headsets are used with poor acoustical isolation between the headphones and boom micr
57. ere are many factors that affect the amount of interference that a BTR 240 will be subject to These include e Channel Spacing and Utilization e Separation Distance and Antenna Gain e Type of Environment Channel Spacing and Utilization Many channels overlapping and non overlapping can co exist without noticeable interference if channel utilization or amount of channel activity is minimal For example a BTR 240 with 8 wireless full duplex TR 240s is operating at maximum channel utilization A second BTR 240 operating on an adjacent channel may cause no interference if there are no TR 240s associated with it If the second BTR 240 acquires 2 wireless full duplex TR 240s then there may be significant interference When deploying a BTR 240 in the presence of other BTR 240s and or other Wi Fi access points it is necessary to select the RF channel that will have the least amount of energy The ClearScan algorithm will scan nearby access points and automatically select the channel with the least activity and least amount of RF energy NOTE When using multiple BTR 240s in close proximity users should always operate them on different non overlapping channels Separation Distance and Antenna Gain Interference is greatly reduced as the physical separation between access points 1s increased The separation distance required for multiple access points to operate without interference from each other 1s dependent upon the type of antenna
58. ere are two options for performing a restore user default restore and factory default restore User Defaults This option will restore all the settings that are selectable from the BTR 240 base station front panel and menu options e RF Channel Local Headset settings Squelch settings 2 wire settings 4 wire settings auxiliary settings and speaker settings Factory Defaults This option will restore all the settings as in the User Defaults but will also restore the User Configuration Settings described in Section 8 These items include Login Password IP address SSID Audio Encryption Key Wireless Encryption Key MAC filtering lt MENU gt lt SET gt lt UP gt lt DOWN gt for approximately 3 seconds Key Sequence After pressing the key sequence for System Restore a menu will be indicated on the LCD to select one of the restore options BTE 24H Restor Bassel User Det au Factors Dei F Figure 5 43 System Restore Screen Use the lt UP gt lt DOWN gt keys to navigate to the desired restore setting and press the lt SET gt button to initiate the restore CAUTION Do not remove the power to the base station while settings are being restored This could potentially corrupt the configuration and cause the BTR 240 to fail when booting If the User Default restore option is selected the restore will initiate and the screen will flash indicating that the s
59. ess TR 240s e The menu buttons and LCD backlight illuminate and a progress bar displays the status while the unit is booting e After approximately 25 seconds the base station will have completed the boot cycle and the Status Screen will be displayed e Activate the connected audio interfaces by navigating the menu on the LCD screen 4 Perform a ClearScan e After the base station has completely booted press and hold the lt MENU gt lt SET gt buttons for approximately 3 seconds e The base station will run the CleaerScan operation and select the optimal RF channel for operation 5 Plug headsets into the TR 240 beltpacks and turn them on one by one e Ifthe beltpack has not been previously set to wireless mode press and hold the lt TALK gt button while the beltpack boots e Allow a few seconds between each beltpack power on e After approximately 20 seconds a voice prompt will announce wireless in the beltpack headphones indicating that wireless communications has started e The base station will increment the association status on the Status Screen next to Assoc XX for each of the active full duplex beltpacks The BTR 240 wireless intercom system is now ready for operation This page intentionally left blank 4 6 Section 5 BTR 240 Operation BTR 240 Operation This section discusses the operation and features of the BTR 240 base station This section outlines the basic operati
60. ettings are being restored Eezettinsg User Defaults Please Walt Figure 5 44 User Default Reset Screen Once the User Defaults restore is complete the base station will briefly display the Start up screen with the software version before returning to the Status Screen which now displays the user default settings If the Factory Default restore option was selected the restore will initiate and the screen will flash indicating that the settings are being restored Pd Please Walt Figure 5 45 Factory Default Reset Screen 5 13 Once the restore 1s complete the base station will flash Reboot the BTR 240 248 N E Reboot the BTR Figure 5 46 Reboot Screen At this time the BTR 240 must be powered off using the lt POWER gt switch and then turned back on NOTE When rebooting the BTR 240 base station the power should remain off for at least 3 seconds before it is switched back on This allows the unit time to settle and completely power down before power is reapplied NUU SY IWAN 0 spuooos c Apojyeurrxoddde JO p ou pu possoaJd oq snu soouonbos Ko aso uors1oA 9IEMIJOS pue uMo T d seguon AROS Ito o101sow ulojs S MOIT al soouonbos Aay eroods juoso1do1 sot poyseq UoaJoS snjtjg IY 0 ugnja1 pue Jas Y poy sgunjos PIJULYO JARS JOU op IPON 19S NXA ual S SNWIS lt NNAW gt UMop sgunjos ISULYO UMOp JOSIND JAN
61. f a user s mouth to the microphone lt 2 gt lt TALK gt Hold until the voice prompt indicates Sidetone Adjust approx 3 seconds Key Sequence Once the Sidetone Adjust voice prompt is heard in the headset the current sidetone level is repeated To adjust continue to hold the TALK button down Press and hold the 1 button to decrease the level or the lt 2 gt button to increase the level There are 10 sidetone levels and a voice prompt will indicate the current level setting as adjustments are made When the desired level is achieved release all the buttons A tone will be heard to indicate that the sidetone level has been successfully changed Mode of Operation The TR 240 has the ability to operate in one of three modes depending on the desired system configuration These modes are wireless wired and master wireless This section describes each of these modes and how the mode is changed The different system configurations are further discussed in Section 7 NOTE The mode of operation is remembered and the TR 240 will continue to boot in the same mode until it is set differently by the user Wireless Mode The wireless default mode is the most used mode of the beltpack In wireless mode the beltpack s radio is active and the wired Ethernet port 1s deactivated Press and hold TALK while booting Release the button once the voice prompt wireless is heard in the headset indicating that co
62. f beltpacks with the BTR 240s in AP only mode A much larger system capacity is now obtainable with the BTR 240s operating in AP only mode However each individual BTR 240 can still support a maximum of 8 wireless full duplex devices For example when two BTR 240s are linked together and they are both in AP only mode the system can now support up to a total of 11 wireless full duplex beltpacks The total 11 full duplex devices could be divided such that 8 full duplex beltpacks are on Base 1 and 3 beltpacks on Base 2 7 7 ht LE ao EE PS E E p Oa nN WOR AIAN o O Number of Wireless TR 240 Beltpacks 1 2 3 4 5 6 7 Number of BTR 240 Base Stations Figure 7 9 System Capacity via Ethernet Link BTR 240 Full Duplex Number of Wireless TR 240 Beltpacks 1 2 3 4 5 6 7 Number of BTR 240 Base Stations Figure 7 10 System Capacity via Ethernet Link BTR 240 Half Duplex BTR 240s Linked via 2 Wire Linking base stations via 2 wire has several advantages Since the 2 wire link is analog there will be no extra overhead associated with multicast data transfer as in the Ethernet link This means that as long as the base stations are on clear and non overlapping RF channels the base stations can operate completely independent and therefore much larger capacities can be achieved The drawback is latency When base stations are linked via 2 wire and beltpacks from one base station communicate to beltpacks of anot
63. gging into a Device NOTE The backspace keyboard button may not work on all computers using Telnet If this is the case use the delete button instead Software Version From the User Menu Options screen Figure 8 8 the software version of the unit is displayed on the top line Please note the revision letter number and the release date These three items will change if the software is ever modified or upgraded For example the beltpack login screen in Figure 8 8 has a software revision letter of A revision number of 1 0 0 and a release date of FEB 25 2011 Similar numbers will be shown when logging into a BTR 240 The second line of the User Menu Options screen indicates the system model and location For example the beltpack login in Figure 8 8 indicates that it is a TR 240 and that it has been configured for use in North America User Menu Options There are several ways that a particular BTR 240 or TR 240 can be custom configured to the unique and specific requirements ofa user There are ten options that are available to both the BTR 240 and the TR 240 The TR 240 also has an additional three options that are specific to the functionality of the beltpack 1 Enter New Login Password This option allows the user to change the BTR 240 or TR 240 login password The maximum password length is 8 characters The default factory password is legacy The user is never allowed to change th
64. h other by having no obstructions in between them RF signals can travel in a straight line between those devices Media Access Control address Unique identifier for a particular physical device on a network The TR 240 s radio is active and the Ethernet port is deactivated A master TR 240 serves as an access point and provides wireless coverage for communication between itself and other TR 240 s in wireless mode The microphone path of the device is temporarily enabled disabled Enabled while the button is pressed and disabled when the button is released Delivery of a network information packet to a group of destination devices simultaneously in a single transmission The result from connecting a digital intercom system with latency to an external 2 wire intercom system without sufficient nulling capabilities and or echo cancellation Pertaining to antennas where the power is radiated uniformly in all directions The microphone path will enable and remain enabled when the button is pressed quickly The microphone path will be disabled when the button is pressed again Push to TX see Momentary Radio Frequency channel Set of frequencies in which the device transmits and receives The amount of a user s own voice that is fed back in the local headset Service Set Identifier A phrase used to identify a particular wireless network A specified level of audio that must be met or exceeded in order for that a
65. he beltpacks is configured as the master and provides the coverage area for other beltpacks in wireless mode This type of configuration is shown in Figure 7 4 MASTER TR 240 SERVING ASA BASE STATION Figure 7 4 One Master TR 240 serving 8 other TR 240s Set up l Select one of the beltpacks to operate in master wireless mode and plug in a headset Turn on the master mode TR 240 beltpack e If the beltpack has not been previously set to master wireless mode press and hold the lt 1 gt button while the beltpack boots e After approximately 20 seconds the master wireless voice prompt will be announced in the headset indicating that communication has started e The voice prompt will also announce the current RF channel of operation for example Channel 1 3 If the user desires to change the RF channel continue holding the 1 button until the voice prompt announces RF Selection e Atthis time the user may run a ClearScan or manually select the RF channel of operation Once the master mode TR 240 has booted plug headsets into the wireless TR 240 beltpacks and turn them on one by one e If the beltpack has not been previously set to wireless mode press and hold the TALK button while the beltpack boots e Allow a few seconds between each beltpack power on e After approximately 20 seconds a voice prompt will announce wireless in the beltpack headphones indicating that wireless commu
66. her base station the latency will be double However the echo cancellation algorithm is also operating on the 2 wire interface so this will help in eliminating the resulting latency effects The second drawback is a more limited frequency response of the 2 wire interface Pros Highest capacity echo cancellation Cons Longer latency limited frequency response CAUTION Operating the BTR 240 while 2 wire settings are active and without the proper system load could result in undesirable audio quality including potentially loud audio bursts NOTE For users that do not have an actual powered 2 wire system the link can still be configured 2 wire termination loads must be used on one of the base stations See the Accessories and Replacement Parts section for ordering information The loop thru feature of 2 wire enables the user to link several base stations together with or without an actual 2 wire intercom system As long as the base stations have clear non overlapping RF channels and are separated by the appropriate distance then up to 8 wireless full duplex users can be supported on each BTR 240 base station NOTE RF channels must be completely clear and non overlapping and separation distances to obtain the maximum capacity on each BTR 240 base station 7 8 BTR 240s Linked via 4 Wire Linking BTR 240 base stations via 4 wire has similar benefits capacity and constraints latency as 2 wire When used with a Matr
67. if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings IP 192 168 1 1 Obtain an IP address automatically Use the following IP address IP address Subnet mask Fi 8 4 igure o Default gateway AME NE IP Address on TR 240 Use the following DNS server addresses Preferred DNS server IP 192 168 1 240 Alternate DNS server INTERCOM 1 INTERCOM 2 BTR 240 PROGRAM RTS Systems Inc FS s Lech We y AUDIO O sr 300 A AUDIO E swe ww MADE IN USA R i H 4 e GEES gege ei Lei a s m ES Figure 8 3 Internet Protocol TCP IP Properties Figure 8 5 IP Address on BTR 240 8 2 3 Connect the BTR 240 or TR 240 device to the computer by using the supplied green Ethernet cable 4 Turn on the BTR 240 or TR 240 device and allow it to boot completely NOTE The TR 240 needs to be booted in wired mode in order to activate the Ethernet port If it isn t already press and hold the lt 2 gt button while the beltpack is booting 5 Start a Command Prompt console window Start gt Programs gt Accessories Click on Command Prompt 6 Inthe console window type the following command telnet 192 168 1 X lt Enter gt NOTE X is the last digit of the IP address on the device sticker ca Command Prompt Microsoft Windows XP Version 5 1 2600 C Copyr
68. ight 1985 2001 Microsoft Corp C N telnet 192 168 1 1 Figure 8 6 Telnet Command After approximately 20 seconds the device will respond with a login request Enter the following information rts240 lt Enter gt legacy lt Enter gt Login Password SO Telnet 192 168 1 1 Linux 2 4 21 rmk1 cirrus 1 2 2 192 168 1 1 ttyp login rts240 Password m Figure 8 7 Login Screen 8 3 NOTE The password entry does not give user feedback to the screen 8 2 3 A After a successful login the User Menu Options will be displayed SO Telnet 192 168 1 1 Software Version F 01U 216 709 Rev A 1 0 0 IR 240 North America FEB 25 2011 10 Display Device MAC addresses 11 Enable Disable MAC filtering 12 Display Edit MAC filter list Enter new login password Display Edit audio encryption key Display Change Squelch Setting Enable Disable Full Duplex Enable Disable Out of Range Alert Display Edit IP Address Display Edit SSID Enable Disable 802 11 WEP encryption Display Edit WEP encryption key NW 0 zl 01 Y Figure 8 8 User Menu Options TR 240 NOTE Ifthe computer says failed to connect after typing the telnet command in Step 6 First try the command one more time If that does not work turn off the BTR 240 or TR 240 device check the settings in the Network Configuration section and repeat all the instructions in the section Lo
69. in Adjustment for instructions on how to decrease the microphone gain Turn off the power to the BTR 240 or TR 240 wait three seconds and then power on again Review Section 5 BTR 240 and Section 6 TR 240 of this manual and sub sections titled Microphone Gain Adjustment for instructions on how to increase the microphone gain Adjust the headset microphone element on the suspected beltpack s so it is one index finger width straight out from the user s mouth 12 1 Problem The Assoc number on the BTR 240 does not increment when a wireless TR 240 1s booted and communication does not happen Extremely loud static is heard on some or all of the system devices Cannot login to the unit via telnet Possible Cause e The TR 240 did not boot in wireless mode The TR 240 is not in full duplex There is a network configuration problem The audio encryption key on the devices do not match Login password was forgotten There is a problem with the network configuration on the computer that is trying to telnet into the device Solution Review Section 6 of this manual and the sub section titled Wireless Mode for instructions on how to boot the beltpack in wireless mode Ensure that the lt TALK gt button is held down the whole time the unit is booting If the Channel button lights s on the TR 240 are blinking the TR 240 is in half duplex listen onl
70. ing fully charged The phrase long term storage is defined as no use of the device for 1 month or longer Care should be taken for Li Ion batteries when moving them into long term storage For the best performance RTS recommends that the battery packs be charged to 30 50 of capacity before being placed in storage This is the typical battery capacity left after 4 6 hours of full duplex wireless usage To place a BP 240 into long term storage 1 After the last event a Ifthe battery pack was used for four hours or less then do not recharge the battery pack If the battery pack was used for more than four hours then recharge the pack for two hours via direct charge 2 Store the BP 240s in a clean cool dry location away from heat The recommended temperature range of the storage location is 32 77 F 0 25 C The temperature of the storage location should not rise above or below the recommended storage temperature 9 3 Every 6 months charge the BP 240s for three hours via direct charge then remove them from charging Do not fully charge This procedure prevents the battery packs from over discharging and helps maintain the battery s performance Battery Transportation One of the major risks associated with transportation of batteries is short circuit of the battery as a result of the battery terminals coming into contact with other batteries metal objects or conductive surfaces The BP 240
71. ir audio arrives at a second user s headset and a portion of that audio in the headset gets back into the second user s microphone by having the volume and or microphone gain set fairly high or by using a headset with poor acoustical isolation That portion of audio is then transmitted back to the first user and heard as echo To reduce the effects of acoustical echo users should first turn off their lt TALK gt buttons one by one to identify which devices are the sources of echo Once the source s have been identified acoustical echo is avoided by decreasing the headset volume microphone gain sidetone level or increasing the squelch settings of that device NOTE Do not leave any headsets unattended with the lt TALK gt button enabled When headsets are removed always ensure that the microphone path is disabled 5 7 4 Wire Matrix Intercom Le INTERCOM 1 uo C INTERCOM x00 Gon 4 Wire Matrix Intercom Figure 5 21 4 Wire Intercom The BTR 240 base station has the ability to interface to two 4 wire external audio intercom systems As shown in Figure 5 2 these RJ 11 jacks are designated as Intercom 1 and Intercom 2 on the rear panel The 4 wire intercom may be used at the same time as the 2 wire intercom The 4 wire intercom uses two pairs of wires to support one full duplex audio channel One pair for the sending balanced audio and one pair for the receiving balanced audio Refer to Section 11 f
72. is also present on the 2 wire receive signal which gets transmitted back to the beltpack devices For digital systems echo cancellation is used to further isolate the 2 wire transmit and recieve signals The BTR 240 base station features automatic and adaptable echo cancellation AAEC The BTR 240 will quickly learn and adapt to the echo characteristics of a connected 2 wire system Once the echo has been characterized the BTR 240 will assist in removing echo for improved communication The learning process takes approximately three to five seconds During this time users should talk only into the BTR 240 local headset or associated TR 240 beltpacks and the users on the 2 wire beltpacks should have their talk features disabled This procedure only needs to be performed initially when the 2 wire first becomes activated After the echo cancellation has learned the characteristics of the system it will continuously adapt as changes to the system occur NOTE Excessive noise or talking on the 2 wire side will prevent the echo cancellation from learning and echo will be present As soon as the audio on the 2 wire side becomes quiet enough the echo cancellation learning cycle will complete and the echo will be removed Other Sources of Echo Users need to be aware that there are several sources of echo In addition to line echo there is also a type referred to as acoustic echo Acoustic echo 1s commonly heard by a user when the
73. is the area around the access point in which the receiver can receive and decode the data packets with minimal error rates The Clear Channel Assessment CCA area 1s the area around the access point in which the error rate of a receiver is high out of range but the receiver can still sense the environment and detect if the channel is busy before transmitting a signal Coverage D Area CCA Area seem VVA Le e ee Figure 7 6 BTR 240 Coverage and CCA Areas In a cell type architecture the coverage areas from multiple base stations should not overlap When coverage areas do overlap there will be interference Interference also exists even if the base stations are operating on non overlapping RF channels if the base stations are in very close proximity to each other e g rack equipment 7 5 O y OM Om OM m om PLIN E Serie te ws P e D D Mec RR ENEE A E ZZ 1 19Q 1 nI D p piPI A M eA AS 1 A LI 2E a om mom o o mom mom AS D pm mm m m mw m m mm v Figure 7 7 Example of Good Cell Type Deployment Figure 7 8 Example of Poor Cell Type Deployment Figure 7 7 1s an example of a good cell type deployment strategy where the coverage areas from multiple base stations do not overlap Figure 7 8 shows an example of poor cell type deployment where the coverage areas from multiple base stations do overlap which will cause interference Th
74. itter Output Power conducted e Ann A Mee dvd ee e Eder e bead 200 mW Forop China Japa asume arenero tao carretas ATE 50 mW EE E dE woo TITO dree eee een eae oO He Multiple omni and directional available Security and Encryption Technology JUAN ees oes sees aaa oa eee eee sees es 40 bit and 104 bit WEP EEN ee oa es E2992 Vea Ce aes a eee eee Ead EE Re den 64 bit DES Number of full duplex beltpacks 0 ec e RR hh e unseen 8 Number or half duplex beltpacks a eaa suede rade rure pego TEE Uy once doped Unlimited Audio Frequency Range 00 0 0c c cece ccc cece hh hare repas 350 Hz to 3800 HZ Diam Ronee opacas esoo darias a gt 62 dB Local Headset UDI ses sada ager o Sabo ee ae an ee oper e eee eas 100 mW into 300 4 Wire Input OUEIDUL 22a raid tee oe aeree weg we Gone Level Adjustable 2 Vrms typical RTS 2 Wire Intercom Input Output Level Adjustable 0 775 Vrms typical Line impedance 200 AudioCom 2 Wire Intercom Input Output Level Adjustable 1 Vrms typical Line impedance 300 ClearCom 2 Wire Intercom Input Output Level Adjustable 1 Vrms typical Line impedance 20002 10d UE E chte rr e NEE e d Ee Es Level Adjustable 2 Vrms typical Auxiliary Output PC Level Adjustable 2 Vrms typical into 600Q AA Level Adjustable 1 W max into 8Q Front Panel LCD AAA 122 32 dot matrix with adjustable contrast Propran np POLL 2295 322 Ua Ro oropesa NE EU ose ee EE D as Ethernet RJ 45 Power
75. ix system several BTR 240s can be linked together Since 4 wire does not have the loop thru capabilities as 2 wire no more than two 2 BTR 240s can be linked together in the absence of a Matrix system The additional benefit to using a 4 wire link 1s no reduction in the audio frequency response as with 2 wire Pros Higher capacity optimal frequency response Cons Longer latency NOTE When linking two BTR 240s together without a Matrix system a custom made cross over cable would be required to link the 4 wire audio inputs to outputs See Section 11 for the wiring diagram and hardware specifications for the 4 wire interface Once again because the BTR 240s are linked with an analog connection there is no additional data overhead associated with the link As long as the base stations have clear non overlapping RF channels and are separated by the appropriate distance then up to 8 wireless full duplex users can be supported on each BTR 240 base station NOTE RF channels must be completely clear and non overlapping and separation distances to obtain the maximum capacity on each BTR 240 base station Network Requirements These network requirements apply to interconnect BTR 240 base stations and wired mode TR 240 beltpacks In general the BTR 240 and the TR 240 follow the same rules as other Ethernet networked devices These rules are 1 All BTR 240 base stations and TR 240 beltpacks must have a unique IP internet protoc
76. k ON to resume operation Beltclip Installation Install the beltclip by sliding it into the beltclip connector on the back of the TR 240 beltpack When inserted correctly the beltclip locking mechanism will click and the beltclip will not be able to slide out Figure 4 4 Inserting Beltclip into TR 240 Beltpack NOTE To avoid scratching the TR 240 case lift the metal tab as the beltclip 1s inserted Antenna Connection The BTR 240 base station 1s supplied with two 2 antennas for transmitting and receiving Both antennas are 3dBi omni directional Model RA 3 with reverse polarity TNC connectors Attach one of the antennas to the transmitter antenna jack labeled TX on the rear panel The antenna should be vertically aligned E 3 Figure 4 5 Attaching Transmit Omni directional Antenna Attach the second antenna to the receiver antenna jack labeled RX on the rear panel The antenna should also be vertically aligned Figure 4 6 Attaching Receive Omni directional Antenna Antenna Polarization The supplied antennas are vertically polarized This means that both the transmitting and receiving antennas should operate in the vertical position for the best performance Antenna Placement Proper antenna placement has a significant effect on the overall performance of the RTS Wireless Intercom System The following suggestions will help optimize system performance BTR 240
77. k and listen when the microphone path is enabled and the channel LED s are solid A beltpack is half duplex listen only when the microphone path is disabled and the channel LED s are blinking The TR 240 has two talk modes that dictate how the microphone path is enabled when the TALK button is pressed These modes are Push to Latch mode and Momentary Only mode The talk mode can be toggled by pressing the following key sequence after the beltpack has booted lt 1 gt lt TALK gt lt 2 gt Hold until the voice prompt indicates Push to Latch or Momentary approx 5 seconds Key Sequence In Push to Latch mode default if the lt TALK gt button is tapped quickly less than Y second the microphone path will enable and latch or remain enabled after the button is released The microphone path is disabled by quickly pressing the lt TALK gt button again If the lt TALK gt button is pressed and held down longer than Y second the microphone path will be enabled momentarily while the button is held and will be disabled when the TALK button is released In Momentary Only push to transmit mode the microphone path will only be enabled while the lt TALK gt button is pressed Press and hold the TALK button to enable the microphone path and release the lt TALK gt button to disable the microphone path Volume The volume of the audio that the beltpack receives is controlled by tur
78. ld this is my SSID may be used as the SSID By default the SSID is set to RTS240 CAUTION Write down the SSID when changed ALL wireless base stations and beltpacks must have the same SSID entered in order to communicate 8 Enable Disable 802 11 WEP Encryption The Wired Equivalent Privacy WEP encryption adds security to a wireless network by encrypting the entire 802 11 packet This feature 1s used in conjunction with the audio encryption for a dual layer encryption scheme WEP encryption can be enabled or disabled By default the WEP encryption is enabled 9 Display Edit WEP Encryption Key When WEP encryption is enabled from Menu Option 8 a paraphrase will be used to encrypt the entire 802 11 packet The WEP key must be the same on all wireless devices to communicate The paraphrase can be a 40 bit key WEP 40 or a 104 bit key WEP 140 The maximum WEP key length is 13 characters The WEP key is upper and lower case sensitive Any combination of letters numbers punctuation and spaces can be used For example W E p K e Y may be used as the WEP key By default the WEP key is set to bosch CAUTION Write down the WEP key when changed ALL wireless base Stations and beltpacks must have the same WEP key entered in order to communicate 10 Display Device MAC Addresses When connecting devices to an existing network or infrastructure users may want to know what the Media Access Control M
79. letters 66 99 66 99 66 99 66 99 66 99 414 99 AP qt ug De E andr 13 Exit This menu option will exit the login and closes the Telnet connection to the BTR 240 or TR 240 If any changes were made the unit must be rebooted before they take effect This page intentionally left blank 8 6 Section 9 Maintenance and Care Li Ion Batteries The BP 240 Li Ion battery pack used in the TR 240 beltpacks are excellent batteries for portable indoor outdoor applications They have a high energy density energy per weight compared to other rechargeable battery technologies NiCd NiMH Alkaline gel Cells are low maintenance and offer superior performance at low temperatures Battery Care To ensure the long life and safe handling of the BP 240 Li Ion batteries please note and adhere to the following precautions 1 Store the BP 240s in a clean cool dry location away from heat 2 Do not burn or expose batteries to excessive heat such as direct sunlight fire or other heat sources 3 Do not disassemble puncture crush or subject the BP 240 or TR 240 containing the battery pack to excessive impact Dispose of a BP 240 in proper Li Ion recycling location Long Term Battery Storage Li Ion batteries retain nearly all their capacity if stored for long term in dry cool temperatures with only 30 to 50 of their full charge capacity They can loose up to 20 capacity if stored for long term immediately after be
80. ll directions which gives wireless users the ability to roam in all directions This also means that the antennas will pick up interference from all these directions Make sure the BTR 240 is located at the center of the wireless coverage area If the users are co located a directional antenna may be used as a better antenna option This will provide a wireless coverage area in one direction and prevent coverage and interference from other directions Ensure that a BTR 240 is spaced far enough away from interfering sources including other access points and other BTR 240s even if operating on non overlapping RF channels Refer to Table 7 1 in Section 7 for separation distances Prevent a BTR 240 from having LOS to other BTR 240s or access points even if operating on non overlapping RF channels BTR 240 and BTR 24 Cell Type Deployment Multiple base stations BTR 240s and BTR 24s can be deployed and linked to provide a wider coverage area or wireless coverage in separate locations If users are co located in multiple areas and or separated by a large distance linking multiple base stations with smaller antenna gains would be a better option than a single base station with large antenna gain to minimize interference and provide the same coverage area Keep coverage areas separate and do not allow coverage areas from multiple BTR 240s BTR 24s or other access points to overlap Reduce the Number of Full Duplex Users
81. lt NMOA gt dn ssunjos aut yo dn 1osuno SAOJA lt dn gt NUJU ui PIVMIOJ IAOW pue a SPOJA 19S 11xo pue sSurjos oAeg JUSLIND J99 9S JO IPOJA PS Jam Las SSUI JOS peSueqo DABS JOU op pu IPOJA 19S NXA NUW SNOM lt ANHIA gt IPOJA PS 9poJA NUIAL nus Jayvads SOPOUI OY JO YOR ur SUOYNG nuoui oq 107 suonoung 201 SMOYS 2101 SULMOT OF M L UONLSIALU JOJ posn o1e suojnq nuoui oq pue ZUIUSEU ore s1ojoe1euo IT OU PON nuw UT pegrpour Suroq 918 S3UIJOS Y sojeorpur YM SUIUSEU 9Q UL s1939e1eq9 AOT OU JO Ip 10 euros IPON 19S UT OPO 19S pu opo nuo sopow Sune1odo om 318 3199 ounjonagg NUAN Opc 3L Lg OU usnoug SuresrAvu UAM SALON SPAT AlvIpxny Y suy 30008 id N TEC Tay LU bai nuoJA 1eimmxn y ssunjos jndjnQ Kaemixny O FLOTE y if C cab Li bend Fi peed ge 430 29 mor Y AAC ag y s3unas mduy renny ng L Jasi U99 19S SNJBIS A NUJNI 91OISIY lt NMOQ gt lt dn gt I LIS lt ANAW gt VE9SJES1 lt mal d lt LAS gt lt ANATA gt nuw Wo3 29101 AAP LETS Ld GE TU te Ja num may WHL T A Loe La T jnox20 q 318301 T UddIIS NUIT n UBISABI D UMOG IS8 QUO lt t Od gt lt NMO gt dy jse juo lt 4n gt N sen Eh del l l l nuoJA WIOIADIUT MZ l l l l nns v SOUuDIAS MZ lt ANTIA gt r lt NMOQ gt lt LAS gt l UOISIIA 9J A43J0S Jos
82. m 7 9 inches should be maintained between the antennas of the BTR 240 base station and all persons Pour se conformer aux exigences FCC et Industrie Canada l exposition aux RF sur une distance de separation d au moins 20 cm 7 9 pouces doit etre maintenue entre les antennes de la station de base BTR 240 et toutes les personnes CAUTION Any changes or modification not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment ATTENTION Tout changement ou modification non expressement approuvee par la partie responsable de la conformite pourraient annuler l autorite de l utilisateur utiliser cet quipement 13 1 EU Compliance Information This equipment is in compliance with the following directives 2002 95 EC RoHS Directive 2002 96 EC WEEE Directive Please dispose of the base station and beltpacks at the end of its operational life by taking it to your closest collection point or recycling center This equipment is intended for use in professional intercom applications The European version of the BTR 240 and TR 240 are intended to be operated in ISO 3166 1 2 letter country code Almost all EU and other European countries have made the 2 4 GHz band available for use with this type of wireless equipment However the requirements for any country may change Always check with the local authorities for the latest status of regulations in the 2 4 GHz b
83. mmunication has started Key Sequence In wireless mode a base station 1s required to provide the wireless coverage over the area in which the beltpacks will be used The base station serves as an access point or relay for audio packets going between beltpacks A base station could be a BTR 240 or a TR 240 in master wireless mode One base station can serve up to 8 full duplex wireless beltpacks and many more half duplex beltpacks Wired Mode When a beltpack is in wired mode the beltpack s radio is deactivated and the Ethernet port is activated Press and hold 2 gt while booting Release the button once the voice prompt wired is heard in the headset indicating that communication has started Key Sequence In wired mode no base stations are required for beltpacks to communicate with other beltpacks that are also in wired mode The connection between beltpacks could be a direct connection via Ethernet cable 100m 328ft max or connected via the buildings existing Ethernet infrastructure see Network Requirements in Section 7 for configuration details A BTR 240 base station would be required however for a mixed mode system configuration where there are both wired beltpacks and wireless beltpacks Master Wireless Mode The master wireless mode feature of the TR 240 is one of the key reasons that the unit is so versatile In the absence of an actual BTR 240 base station the beltpack itself can be configured t
84. n operating on non overlapping RF channels e When possible place multiple BTR 240s such that they do not have direct LOS to each other e Always try to ensure that wireless beltpacks are separated by at least 3ft from each other BTR 240s Linked via Ethernet The Ethernet link between base stations can be used to provide the fastest connection to maintain low latency between all devices The drawback is capacity Pros Minimal latency Cons Reduced capacity A complete system BTR 240 base stations and TR 240 beltpacks can support a maximum of 12 full duplex devices A maximum of 8 full duplex devices can be wireless on a single base station Each BTR 240 base station will occupy 1 7 full duplex devices and each TR 240 will occupy 1 full duplex device The system capacity for Ethernet connections 1s best described by the graph in Figure 7 9 For example when two BTR 240s are linked together the system can support up to a combined total of 8 wireless full duplex beltpacks This could be 4 full duplex beltpacks on Base 1 and 4 full duplex beltpacks on Base 2 The results shown in Figure 7 9 assume that the base station is on and transmitting The BTR 240 also features an AP only mode where if the lt TALK gt button is disabled and all of the external audio interfaces are turned off the BTR 240 will be placed into half duplex and therefore will not occupy 1 7 full duplex devices Figure 7 10 shows the graph for number o
85. n to re adjust the same level return to Step 41 11 Use the lt UP gt lt DOWN gt buttons to navigate to another level to modify return to Step 4h ii Press the MENU button to go back to the Auxiliary Menu Screen return to Step 3 iv Press and hold the MENU button for 1 2 second to return directly to the Status Screen 4 When finished editing from the Auxiliary Menu Screen the user has two options a Press the MENU button to go back one menu screen return to Step 2 b Press and hold the MENU button for 1 2 second to return directly to the Status Screen Speaker Output C SPEAKER Speaker Connector Figure 5 35 Speaker Connector The BTR 240 also features a speaker port in which the intercom channels from the base station can be monitored The speaker port outputs balanced audio with a maximum output of 1W into 8 Ohms As shown in Figure 5 35 the speaker port 1s a 2 pin Phoenix type connector Refer to Section 11 for the speaker hardware specifications and pinouts Steps to change the Speaker Settings 1 From the Status Screen press lt MENU gt on the BTR 240 front panel 2 Using the lt UP gt lt DOWN gt buttons navigate the cursor to the Speaker Settings menu option then press lt SET gt to select the menu Freu Intercom Gett Figure 5 36 Main Menu Screen 2 3 From the Speaker Menu Screen there are two selectable options Spk Settings and Spk
86. nce can be controlled and in others 1t cannot There are numerous ways that a BTR 240 system operator can avoid a significant impact to RF interference l Analyze the Environment e The ClearScan intelligence in the BTR 240 will scan the environment for surrounding Wi Fi access points and select the optimal RF channel to operate A ClearScan should be performed prior to the event If a user suddenly experience performance degradation while operating it is possible that a new source of RF interference became present and ClearScan could be run again e There are many RF site surveying tools available that will detect more 2 4GHz interference than other Wi Fi access points This could be used to identify an optimal RF channel to operate on 2 Prevent the Interference from Transmitting e In some cases it may be possible to find the source of interference and shut it down Other Wi Fi devices may include nearby laptop desktop computers or Wi Fi enabled mobile phones These devices should be shut down or their Wi Fi capabilites could be temporarily disabled when operating near a BTR 240 system Other non Wi Fi devices would be Bluetooth headsets microwave ovens and cordless telephones These devices should also be turned off and not operating near a BTR 240 system 10 3 BTR 240 Location and Antennas The omni directional antennas supplied with the BTR 240 provide a wireless coverage area in a circle around the BTR 240 equally in a
87. nd pops present themselves in the form of audio break up which may render the system unacceptable or unusable 302 11 Wireless RF Interference The BTR 240 system offers many benefits by operating in the 2 4GHz ISM frequency band The main reason is that it allows users to operate without a license requirement in most countries The 802 11 protocol also has world wide acceptance which permits users to travel with their system to locations where 802 11 devices are allowed Along with the many benefits of the 802 11 technology there are some constraints Because the 802 11 protocol 1s license free and so widely adopted there exist numerous devices that utilize these frequencies all over the world These devices must coexist and share the RF spectrum When multiple devices that are sharing the RF spectrum are located in close proximity to each other they create wireless interference Wireless interference for 2 4GHz could come from a wide variety of sources including Bluetooth enabled devices microwave ovens cordless telephones cellular phones with Wi Fi capabilities and other nearby Wi Fi access points In the presence of wireless interference users of the BTR 240 system may experience performance degradation Performance degradation may be in the form of capacity reduction wireless range reduction or audio quality degradation in the form of break up How to Avoid RF Interference In some environments RF interfere
88. nications has started Master Wireless Mode Capacity Limit Up to 8 full duplex wireless beltpacks can be used with a single TR 240 in master mode 9 total beltpacks for reliable and uninterrupted communications on a clear RF channel Many more half duplex beltpacks can be used If a master mode TR 240 is loaded beyond it s capacity limit the usability becomes highly subjective The users will begin to experience drop outs and potentially delays in the audio NOTE The capacity limit may not be achieved if there is interference on the RF channel of operation For further details refer to Wireless Interference in Section 10 Tour Group Example A good example of a master wireless mode application is a tour group within a noisy manufacturing environment TOUR GUIDE TOUR GROUP Figure 7 5 Tour Group Application As shown in Figure 7 5 a single TR 240 is set to boot in master wireless mode This beltpack would be worn by the tour guide The rest of the beltpacks are set to boot in wireless mode They are all kept in half duplex mode by having their talk mode set to momentary only The members of the tour group would wear these beltpacks The group size could be up to 28 people or more when the beltpacks are in momentary only mode This is because when in momentary only mode the beltpack is half duplex until the TALK button is pressed activating the microphone path When the TALK button is pressed the b
89. ning the Volume Control knob clockwise and counterclockwise to increase and decrease the volume respectively Microphone Gain Adjustment The microphone gain controls the level of audio from the microphone path that is transmitted from the TR 240 beltpack The default microphone gain level 4 has been adjusted for typical performance but may require adjustments depending on the loudness and proximity of a user s mouth to the microphone lt 1 gt TALK Hold until the voice prompt indicates Mic Adjust approx 3 seconds Key Sequence Once the Mic Adjust voice prompt is heard m the headset the current microphone gain level is repeated To adjust continue to hold the lt TALK gt button down Press and hold the lt 1 gt button to decrease the level or the lt 2 gt button to increase the level There are 10 microphone gain levels and a voice prompt will indicate the current level setting as adjustments are made When the desired level is achieved release all the buttons A tone will be heard to indicate that the microphone gain has been successfully changed Sidetone Level Adjustment The sidetone level is the amount of a user s own voice that is fed back in the local headset The beltpack sidetone level is independent of the volume knob and microphone gain setting The default sidetone level level 4 has been adjusted for typical performance but may require adjustments depending on the loudness and proximity o
90. nsmitted to wireless devices The sidetone level 1s the amount of a user s own voice that is fed back in the local headset The local headset microphone gain and sidetone levels are adjusted by navigating to the correct menu on the LCD Steps to change the Microphone Gain and Sidetone Level l From the Status Screen press lt MENU gt on the BTR 240 front panel 2 Using the lt UP gt lt DOWN gt buttons navigate the cursor to the Local Headset menu option then press lt SET gt to select the menu MOPS a ee Figure 5 7 Main Menu Screen 3 The Local Headset Screen is now displayed with two options Mic Gain and Sidetone and a bar level indicating their current status Mic Rain LG Sidetone MW Hs Figure 5 8 Local Headset Screen 4 Use the lt UP gt lt DOWN gt buttons to navigate the cursor to the desired setting to modify and press lt SET gt to select it Both the cursor and the number will flash indicating that the level is ready to be modified X Es A M 1c Danz 51detone Pg LO ms N E Figure 5 9 Local Headset Flash Screen 5 3 5 Use the lt UP gt lt DOWN gt buttons to move the bar level up and down and change the corresponding audio level 6 When the desired level is flashing press lt SET gt to select it The cursor and number will stop blinking indicating that the level has been set 7 At this point the u
91. nt panel 2 Using the lt UP gt lt DOWN gt buttons navigate the cursor to the Squelch Settings menu option then press lt SET gt to select the menu EF Channel 5Sauelch Settings POPE ee Figure 5 10 Main Menu Screen 3 The Squelch Settings Screen is now displayed with two options IC1 Squelch and IC2 Squelch and a bar level indicating their current status Figure 5 11 Squelch Settings Screen 4 Use the lt UP gt lt DOWN gt buttons to navigate the cursor to the desired setting to modify and press lt SET gt to select it Both the cursor and the number will flash indicating that the level is ready to be modified 5 Use the lt UP gt lt DOWN gt buttons to move the bar level up and down and change the corresponding squelch level 6 When the desired level is flashing press lt SET gt to select it The cursor and number will stop blinking indicating that the level has been set 7 At this point the user has four options a NOTE Press lt SET gt again to re adjust the same level return to Step 5 Use the lt UP gt lt DOWN gt buttons and navigate to another selection to modify return to Step 4 Press the lt MENU gt button to go back one menu screen return to Step 2 Press and hold the lt MENU gt button for 1 2 second to return directly to the Status Screen The squelch setting never disables the base station wireless transmitter The base station c
92. ntercom Beltpack with A4M Headset Connector F01U169595 BTR 240 AAF EU Wireless Intercom Base Station with A4F Headset Connector F01U169596 TR 240 A4F EU Wireless Intercom Beltpack with A4F Headset Connector Frequency Band 2 412 2 472 GHz IEEE 802 11 channels 1 13 is are in conformity with the regulations of the following marked EC directive s and bear s the mark accordingly Reference number Title 2004 108 EC EMC Directive EMC C 2006 95 EC Low Voltage Directive LVD xX 1999 5 EC Radio equipment and Telecommunications Terminal Equipment R amp TTE according to annex IV The conformity of the product s with above ticked EC directives is provided by the compliance with the following standard s Standard s Date EN 300 328 v1 7 1 2006 10 Radio Performance EN 301 489 1 v1 8 1 2008 04 EN 301 489 17 v2 1 1 2009 05 EMC EN 50371 2002 Health EN 60950 2006 A1 2010 Safety EE AG di er Business Line May 18 2011 Printed name Ralph Strader ST CO PRM2 Printed name Keith Jenkins ST CO ENG3 3 Year of affixing the CE mark 2011 Place date Doc No REG0004462 Version 1 00 Form No ST PB Q6507 CO RTS Version 3 01 13 4 Section 14 Accessories and Replacement Parts Model Number Part Number Description F01U168687 North America TR 240 beltpack with 4 pin male XLR jack F01U168689 Euro rechargeable battery and charger power supply F01Ul68691 China F01U16959
93. o act as an access point but with mobile capabilities and continue to provide coverage for up to 8 full duplex wireless TR 240 beltpacks When a beltpack is in master wireless mode the beltpack s radio is activated and the Ethernet port is deactivated Press and hold lt 1 gt while booting Release the button once the voice prompt master wireless is heard in the headset indicating that communication has started Key Sequence In master wireless mode the beltpack has all the functionality ofa wireless beltpack but now also acts as a base station to support other beltpacks in wireless mode The user ofthe master mode beltpack also has the ability to set the RF channel manually or perform a ClearScan to select the optimal RF channel for operation Steps to change the RF Channel or perform ClearScan 1 Boot the unit into Master Wireless mode by pressing and holding the lt 1 gt button down while the unit boots 2 Continue to hold the lt 1 gt button after the voice prompt master wireless is heard for approximately 3 seconds 3 Release the button when the voice prompt RF Selection 1s heard in the headset followed by the current RF channel At this point the user has three options a Press the lt 2 gt button to move the RF channel up For each channel increment a voice prompt will follow Press the lt 1 gt button to move the RF channel down For each channel decrement a voice prompt will follow
94. ol address For a given network any BTR 240 or TR 240 cannot have the same IP address Also no other devices on the wired network can have the same IP addresses as the BTR 240s or TR 240s being used 2 Use category 5e CATSe or better Ethernet cables that are wired to standards T 568A or T 568B most Ethernet cables are built to these standards 3 When connecting TR 240s or BTR 240s together directly without the use of a building s network infrastructure do not use more than 100m 328ft of Ethernet cable between devices 4 If using an existing building s Ethernet network consult your network administrator as to the locations you plan on connecting your BTR 240s or TR 240s to the network They can then check to make sure distance limitations of the network are met and that existing in house routers switches are set to pass TR 240 and BTR 240 packets Audio 1 Multicast 239 192 168 1 UDP Packet Audio 2 Multicast 239 192 168 2 UDP Packet Audio 1 2 239 192 168 3 Table 7 2 BTR 240 TR 240 Wired Data Packets 7 9 This page intentionally left blank 7 10 Section 8 User Configuration Options User Configuration Options The BTR 240 base station and TR 240 beltpack both have additional features that can be accessed by logging into the unit from a personal computer These features include e Login password e Audio Encryption key e IP Address e SSID e Wireless Security WEP Encryption Key M
95. omni directional antennas place the base station as close to the center of the coverage area as possible 2 Connect base station to external audio interfaces For example 2 wire 4 wire Auxiliary Speaker local headset 3 Connect the BTR 240 to all the wired TR 240s via Ethernet cables e Use category 5e or better Ethernet cables that are wired to standards T 568A or T 568B most Ethernet cables are built to these standards e Do not use more than 100m 328ft of Ethernet cable between devices Turn on the base station e The menu buttons and LCD backlight illuminate and a progress bar displays the status while the unit is booting e After approximately 25 seconds the base station will have completed the boot cycle and the Status Screen will be displayed e Activate the connected audio interfaces by navigating the menu on the LCD screen 5 Perform a ClearScan e After the base station has completely booted press and hold the lt MENU gt lt SET gt buttons for approximately 3 seconds e The base station will run the CleaerScan operation and select the optimal RF channel for operation 6 Plug headsets into the TR 240 beltpacks and turn them on one by one e Fora wireless beltpack that has not been previously set to wireless mode press and hold the lt TALK gt button while the beltpack boots e Fora wired beltpack that has not been previously set to wired mode press and hold the lt 2 gt button while
96. on hardware interfaces and setup of the base station Basic Operation Description The BTR 240 digital wireless intercom system offers one of the most comprehensive user friendly and versatile set of features available in wireless intercom systems anywhere in the world The base station comes with the ClearScan intelligence which automatically selects the optimal RF channel for communication The BTR 240 base station can accommodate up to 8 full duplex wireless TR 240 beltpacks The base station may also be used with an unlimited number of beltpacks in half duplex operation The base station via the local headset or the associated beltpacks allows communication with other wireless or wired users The 2 wire and 4 wire intercoms may even be used simultaneously The wired audio interfaces to the base station are e 2 Wire RTS Audiocom Telex Clear Com 2 intercom channels e 4 Wire 2 intercom channels e Auxiliary input and output e Speaker output e Local base station headset 5 1 Powering the Base Station The BTR 240 base station is powered from an external 12 15 VDC supply The base station accepts a 5 5 mm by 2 5 mm screw on plug The source must supply at least 1 5 Amps Power the base station via the front panel switch labeled Power by moving the switch to the on position Turn off the base station by moving the switch to the off O position NOTE The supplied power sourc
97. only to any individual audio channel or both channels simultaneously The BTR 240 is perfectly suited for stand alone operation and can also interface with two wire intercom systems including RTS Audiocom Telex and Clear Com as well as four wire intercom systems such as the RTS Matrix The BTR 240 allows both the two wire and four wire intercoms to be used simultaneously In addition to the external intercom interfaces the BTR 240 also provides connectivity for auxiliary balanced audio input and output and speaker output The TR 240 beltpacks have the ability to be configured in one of three operating modes wireless wired or master wireless In wireless normal mode beltpacks communicate to each other using the base station as a relay In wired mode beltpacks turn off their wireless ability and communicate via an Ethernet cable or through a building s existing Ethernet infrastructure In master wireless mode a beltpack itself acts as a mobile access point to provide wireless coverage for other beltpacks to communicate without an actual BTR 240 base station The TR 240 beltpack has a removable Li Ion battery pack that will provide up to 8 hours of uninterrupted operation The battery pack can be charged directly in the case by plugging a power adapter into the beltpack or by placing the battery in the CHG 240 four bay charger 1 1 System Features Uses the widely adopted 2 4GHz IEEE 802 11 WLAN technology No FCC license
98. ontinues to transmit data regardless if the squelch level is met or exceeded External Audio Interface Settings The base station can be configured to work with several different external audio interfaces including e 2 Wire Intercom e 4 Wire Intercom e Auxiliary Input e Auxiliary Output e Speaker Output 2 Wire Intercom INTERCOM 1 4 p INTERCOM 2 AUDIO 2 Wire Intercom Figure 5 12 2 Wire Intercom The BTR 240 base station has the ability to interface to two 2 wire external audio intercom systems As shown in Figure 5 12 these XLR jacks are designated as Intercom 1 and Intercom 2 on the rear panel They accept RTS Audiocom Telex and Clear Com types of intercom systems The hardware specifications and pinouts for each of these intercom types will vary It is important to ensure that the cables are wired correctly for proper system operation Refer to Section 11 for the 2 wire hardware specifications and pinouts for each of these intercom types The 2 wire intercom may be used at the same time as the 4 wire intercom The base station does not require wet intercom lines for operation Wet intercom lines are those with D C voltages on them for powering 2 wire devices The base station will loop thru wet intercom lines with currents up to 2 Amps CAUTION Do not loop thru more than 2 Amps of current Damage to the base station may occur CAUTION Only connect and remove 2 wire connection
99. ophone 2 multiple users are located very close to each other 3 by having a device with the microphone path enabled without an attached headset 4 by one user having their volume or microphone gain settings too high When a BTR 240 has all of it s audio input interfaces disabled local headset talk 2 wire 4 wire auxiliary it will be in half duplex The number of full duplex TR 240s that can be associated with a specific access point for reliable and uninterrupted communications Clear Channel Assessment When a wireless device senses the environment for energy on it s frequency before it transmits the signal If the CCA fails the device determines that the channel is busy and will back off wait before attempting to send the signal again The area around an access point where the error rate of the receivers is high out of range but the receiver can still sense the environment and detect if the channel is busy before transmitting it s signal Co channel Interference The interference between multiple access points on the same RF channel WLAN deployment strategy with multiple access points operating on non overlapping RF channels with non overlapping coverage areas The amount of activity on a particular wireless RF channel Intelligence that selects the optimal radio frequency channel to operate Area around an access point where the receivers of devices can accurately receive and decode the data packets with
100. opriate web site below AN WWW rtsintercoms com warranty A www rtstw com warranty AUdioC Om sau v www telexaudiocom com warranty RadioCom ee A Ze sume www telexradiocom com warranty Headsets 252522 www intercomheadsets com warranty Customer Support Technical questions should be directed to Customer Service Department Bosch Security Systems Inc 12000 Portland Avenue South Burnsville MN 55337 U S A Telephone 800 863 4169 Fax 800 323 0498 Info rtsintercoms com Technical Questions EMEA Bosch Security Systems Technical Support EMEA http www rtsintercoms com contact main php Disclaimer The manufacturer of the equipment described herein makes no expressed or implied warranty with respect to anything contained in this manual and shall not be held liable for any implied warranties of fitness for a particular application or for any indirect special or consequential damages The information contained herein 1s subject to change without prior notice and shall not be construed as an expressed or implied commitment on the part of the manufacturer Table of Contents Section 1 Introduction ee 1 1 General Description e su x mx S3 hopad 9 43 a93945355 9955294933 595555 1 1 DUSICIHLT SAUS wig aw oe osa rar X sud x oe Be Qu e 1 1 Important Safety Instructions tardara rondar AAA 1 2 Section 2 BTR 240 Base Station 2 ees 2 1 Controls and Connections gt 426556 sch Bee RO a XR AE ec Ee Ree OS OES
101. or the 4 wire hardware specifications and pinouts Many Matrix systems also have an additional pair of wires to transfer data between devices The BTR 240 4 wire connection does not use these data lines and supports only the audio interface Steps to change the 4 Wire Intercom Settings 1 From the Status Screen press lt MENU gt on the BTR 240 front panel 2 Using the lt UP gt lt DOWN gt buttons navigate the cursor to the Intercom Settings menu option then press lt SET gt to select the menu Breu ex O gt Intercom Settings Auxiliare Settings SFeaker Settings Figure 5 22 Main Menu Screen 2 3 Once again using the lt UP gt lt DOWN gt buttons navigate the cursor to the 4W Intercom menu option then press lt SET gt to select the menu hd Intercom di Intercom Figure 5 23 Intercom Menu Screen 4 From the 4W Intercom Menu there are two selectable options 4W Settings and 4W Levels Figure 5 24 4W Intercom Menu Screen The 4W Settings option will allow the user to modify which audio intercom channels are active The 4W Levels option will allow the user to change the input and output levels for the active intercoms To modify the 4W Settings continue with Step 4a To modify the 4W Levels jump to Step 4c To modify the 4W Settings a Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the menu option 4
102. panel Using the lt UP gt lt DOWN gt buttons navigate the cursor to the Intercom Settings menu option then press lt SET gt to select the menu peu aan T m de m mmm jme CC ed A JI est vs We ihntercom settll 3 Auxiliary Settings SPeaker Settings Figure 5 15 Main Menu Screen 2 Once again using the lt UP gt lt DOWN gt buttons navigate the cursor to the 2W Intercom menu option then press lt SET gt to select the menu 2 A Intercon 4d Intercom Figure 5 16 Intercom Menu Screen From the 2W Intercom Menu Screen there are two selectable options 2W Settings and 2W Levels Figure 5 17 2W Intercom Menu Screen The 2W Settings option will allow the user to modify the type of intercom system interface and which audio channels are active The 2W Levels option will allow the user to change the input and output levels for the active intercoms To modify the 2W Settings continue with Step 4a To modify the 2W Levels jump to Step 4d To modify the 2W Levels To modify the 2W Settings a Using the lt UP gt lt DOWN gt buttons navigate the cursor next to the option 2W Settings and press lt SET gt to select the menu The 2W intercom options menu is displayed and the current status 1s flashing Figure 5 18 2W Type Settings Screen b Using the lt UP gt lt DOWN gt buttons find the desired intercom type off Telex
103. peoH 890 J 199 198 nuoJA ZH LEPE 9 i suusuj atz alH SUOTYEO TUNES HISOR Ann dn 3 18 S puuro JA atz alH suorygaruhwuo uoo Uu92923J5S JOO 5 47 Figure BTR 240 Menu Structure 5 14 Section 6 TR 240 Operation TR 240 Operation This section discusses the operation and features of the TR 240 beltpack This section outlines the basic operation hardware interfaces and setup of the beltpack Basic Operation Description The TR 240 full duplex beltpack offers a very comprehensive user friendly and extremely versatile set of features to be custom configured to a user s specific requirements The TR 240 can be uniquely configured in one of three operating modes which allow 1t to work in conjunction with a BTR 240 base station or with other beltpacks in the absence of a base In wireless mode a BTR 240 base station provides the wireless coverage for the communication between TR 240 beltpacks In wired mode the beltpacks communicate with each other via Ethernet cable and do not require the use of a base station In master wireless mode the beltpack is now a mobile access point and provides the wireless coverage for communication between other TR 240s in wireless mode Further details of these modes are discussed later in this section Powering the Beltpack To turn on the beltpack rotate the On Off amp Volume Control knob clockwise and move the knob pointer away from the OFF position
104. performance for a wide range of temperatures Battery care and maintenance is further reviewed in Section 9 The BP 240 battery pack is inserted into the TR 240 beltpack by sliding the battery in from the side S w R exe Seco SU WM erc Bose NN SN NN V NN N NN NN WA WM A Vu b Ww NS NS MY Figure 4 1 Inserting Battery into TR 240 The battery pack is designed to fit only one way in the TR 240 beltpack Be certain that the gold contacts on the battery align with the contacts on the beltpack When inserted correctly the battery locking mechanism will click and the battery will not be able to slide out To remove the battery pack simply slide the battery locking mechanism as indicated by the arrow to release the lock At this point the battery will be free to slide out and be removed from the beltpack Figure 4 2 Unlocking Battery Mechanism on TR 240 4 1 Battery Charging Instructions Prior to use the BP 240 battery packs should be fully charged The battery packs can be charged either directly in the TR 240 beltpack via supplied wall adapter or by using the CHG 240 four bay quick charger NOTE Battery packs should always be charged in a room temperature location Beltpack Direct Charge A beltpack direct charge will require approximately 8 full hours to completely charge a dead battery Once charging 1s complete beltpacks may be left charging indefinitely A beltpack can also be u
105. required and no license required in most countries world wide Multi level wireless security and audio encryption ClearScan intelligence to automatically select the best RF channel to operate Two audio intercom channels to be used independently or simultaneously Up to 8 wireless full duplex TR 240 beltpacks per base station and nearly an unlimited number of half duplex beltpacks Multiple options for antenna connections and accessories Easy to read LCD display that indicates the number of active full duplex TR 240 beltpacks BTR 240 base stations and BTR 24 access points can be linked together to provide a wider wireless coverage area Compatible with RTS Audiocom Clear Com and other wired intercom types Auto selection of Electret or Dynamic microphones TR 240 beltpacks can be easily configured to communicate either wired or wireless A TR 240 beltpack can be configured to serve as an access point for other beltpacks in the absence of a base station Durable ABS beltpack case Removable dependable rechargeable wide temperature range Li Ion batteries with low battery indicator See Copyright Notice on page i Important Safety Instructions Prior to operation read and follow all safety instructions Throughout this manual the following notations are used WARNING Indicates a situation which when not avoided has the potential to result in death or severe injury CAUTION Indicates a si
106. s booting e After approximately 25 seconds the base station will have completed the boot cycle and the Status Screen will be displayed e Activate the connected audio interfaces by navigating the menu on the LCD screen 4 Perform a ClearScan e After the base station has completely booted press and hold the lt MENU gt lt SET gt buttons for approximately 3 seconds e The base station will run the ClearScan operation and select the optimal RF channel for operation 5 Plug headsets into the TR 240 beltpacks and turn them on one by one e If the beltpack has not been previously set to wireless mode press and hold the TALK button while the beltpack boots e Allow a few seconds between each beltpack power on e After approximately 20 seconds a voice prompt will announce wireless in the beltpack headphones indicating that wireless communications has started e The base station will increment the association status on the Status Screen next to Assoc XX for each of the active full duplex beltpacks Wireless Capacity Limit Up to 8 full duplex wireless beltpacks can be used with a single BTR 240 base station for reliable and uninterrupted communications on a clear RF channel Many more half duplex beltpacks can be used If a BTR 240 base station 1s loaded beyond its capacity limit the usability becomes highly subjective Users will begin to experience drop outs and potentially delays in the audio
107. s from the BTR 240 when the settings have been turned off Operating the BTR 240 while 2 wire settings are active and without the proper system load could result in undesirable audio quality including potentially loud audio bursts Steps to change the 2 Wire Intercom Settings Figure 5 13 shows an example of a loop thru connection of two BTR 240 base stations with AudioCom and Clear Com systems TWO CHANNELS OF TELEX OR CLEAR COM INTERCOM from wired power supply TO OTHER 2 WIRE EQUIPMENT Figure 5 13 Loop Thru Connection with AudioCom and Clear Com Since RTS systems carry both channels of audio on one cable the four intercom XLR connectors are connected in parallel when RTS is active Thus any one of the four intercom XLRs may be used for RTS input As shown in Figure 5 14 looping thru of the audio may also be accomplished via any of the rear panel XLRs when an RTS system is selected and active TWO CHANNELS OF RTS INTERCOM from wired power supply TO OTHER 2 WIRE EQUIPMENT Figure 5 14 Loop Thru Connection with RTS When connecting a BTR 240 base station to a 2 wire system the system grounds should be connected together for the best audio performance On the BTR 240 use the screw lug on the rear panel with the chassis ground label LA 5 5 From the Status Screen press lt MENU gt on the BTR 240 front
108. s used For BTR 240s operating on non overlapping RF channels Table 7 1 can be used as a guideline for separation distances to obtain the optimal system performance for indoor applications Antenna Separation Distance 11dBi pointed at each other 400ft 11dBi at 45 to each other Table 7 1 BTR 240 Spacing for Non Overlapping RF Channels NOTE When overlapping RF channels are being used farther spacing will be required to obtain the same optimal system performance Type of Environment When BTR 240 base stations are operating indoors and through walls the interference will be greatly reduced and the separation distances required to keep them from interfering will also be reduced Indoor and outdoor environments behave very different because of the amount of reflections that are present In general for outdoor environments every antenna gain increase or decrease of 6dB will cause the coverage area to double or half For indoor environments every antenna gain increase or decrease of 9dB will cause the coverage area to double or half 7 6 Guidelines for Deployment Optimization with Multiple BTR 240s e When using omni directional antennas place the BTR 240 base station as close to the center of the coverage area as possible e When possible always operate multiple BTR 240s on different non overlapping RF channels e Maintain a minimal separation distance Table 7 1 between base stations even whe
109. se station to the auxiliary output port 1s only from the base station s local headset and beltpack s Global Any audio placed into the auxiliary input port is routed to the base station s local headset and beltpack s as in the Local setting but also to the 2 wire and 4 wire systems that are connected to the base station The audio that is routed from the base station to the auxiliary output port comes from the base station s local headset and beltpack s as in the Local setting but also from the active 2 wire and 4 wire intercom systems connected to the base station Steps to change the Auxiliary Settings 3 From the Status Screen press MENU on the BTR 240 front panel Using the lt UP gt lt DOWN gt Buttons navigate the cursor to the Auxiliary Settings menu option then press lt SET gt to select the menu Freu Figure 5 28 Main Menu Screen 2 From the Auxiliary Menu Screen there are three selectable options Aux IN Settings Aux OUT Settings and Aux Levels Figure 5 29 Auxiliary Menu Screen The Aux IN Settings and the Aux OUT Settings options will allow the user to modify which audio channels are active for the particular auxiliary device The Aux Levels options will allow the user to change the corresponding input and output levels for the active devices To modify the Aux IN Settings continue with Step 3a To modify the Aux OUT
110. sed while charging via beltpack direct charge This is especially common for beltpacks in wired mode 1 Ensure the TR 240 is in the OFF position 2 Plug the AC end of the supplied 12VDC wall adapter into a standard AC wall outlet Plug the charge connector into the charge jack on the bottom of the beltpack 3 The Charge Light on the bottom of the TR 240 indicates the battery charge status RED GREEN Charging in progress Charging 1s done NOTE Batteries may not charge completely 1f the beltpack 1s being used while charging Ensure that the beltpack 1s in the OFF position to completely charge the battery pack CHG 240 Quick Charge Charging the batteries in the CHG 240 quick charger will only require approximately 2 hours to completely charge a dead battery Once charging is complete batteries may be left charging indefinitely NOTE Review the instruction booklet for the CHG 240 quick charger prior to use 1 Ensure the TR 240 is in the OFF position and remove the BP 240 battery pack 2 Plug in the CHG 240 into a standard AC wall outlet Figure 4 3 CHG 240 Quick Charge 3 Insert the BP 240 battery pack into one of the bays on the quick charger The LED next to the battery bay indicates the charge status YELLOW GREEN Charging in progress Charging is done Once the battery is completely charged remove it from the CHG 240 bay install it back in a TR 240 beltpack and turn the beltpac
111. ser has four options a Press lt SET gt again to re adjust the same level return to Step 5 Use the lt UP gt lt DOWN gt buttons and navigate to another selection to modify return to Step 4 c Press the MENU button to go back one menu screen return to Step 2 Press and hold the MENU button for 1 2 second to return directly to the Status Screen Squelch Level The squelch setting is a feature that can be enabled to reduce noise and or echo that is transmitted from the base station The squelch level 1s a specified level of audio that must be met or exceeded in order for that audio to be transmitted The squelch setting effectively acts as a noise gate at the base station for the transmitting audio For example a squelch level of 00 1s off and the base station will transmit all audio from the base station A very low squelch level of 01 or 02 will transmit all audio but will reduce noise when the intercom channels are inactive A high squelch level of 10 or more will prevent the base station from transmitting low levels of audio If two users are standing next to each other this will significantly reduce acoustic echo between those users The default squelch level is set to 01 for each intercom channel The squelch levels are modified by navigating to the correct menu on the LCD Steps to change the Squelch Level 1 From the Status Screen press lt MENU gt on the BTR 240 fro
112. t the level can now be modified Use the lt UP gt lt DOWN gt buttons to move the bar level up and down to the desired audio level and press lt SET gt to select it From the 2W Levels Screen the user has four options i Press lt SET gt again to re adjust the same level return to Step 4f ii Use the lt UP gt lt DOWN gt buttons to navigate to another level to modify return to Step 4e 111 Press the MENU button to go back to the 2W Intercom Menu Screen return to Step 4 iv Press and hold the lt MENU gt button for 1 2 second to return directly to the Status Screen 5 When finished editing from the 2W Intercom Menu Screen the user has two options d Press the lt MENU gt button to go back one menu screen return to Step 3 Press and hold the lt MENU gt button for for 1 2 second to return directly to the Status Screen Echo Cancellation When any digital intercom system 1s connected to a 2 wire system there will be some echo called network line echo due to the audio latency of that digital intercom system In a 2 wire intercom system the transmitting and receiving audio signals exist together on a single wire At the base station a nulling circuit is used to isolate the transmitting and receiving signals Network line echo occurs because the nulling circuit alone is insufficient at separating the transmit and receive signals and a small portion of the 2 wire transmit signal
113. tuation which when not avoided has the potential to cause the system to no longer function properly or cause equipment damage NOTE Indicates important additional information WARNING To reduce the risk of fire or electrical shock adhere to the following instructions e Do not expose the system components to rain or moisture e Always connect the BTR 240 base station to a main socket outlet having a protective earth ground connection e Ensure that the power cords are in a safe and secure place that is protected from being walked on or pinched e Do not remove the cover or product casing All technical service must be performed by qualified service personnel WARNING Excessive sound pressure from headsets can cause hearing loss The duration of exposure to high volumes must be shortened to reduce the chance of hearing damage Signs of prolonged exposure to excessive audio levels include e Ringing sounds heard in ears e Can no longer hear high frequency tones if only for a short time WARNING Only use the BP 240 battery pack as a replacement battery A risk of personal injury and equipment damage exists if the battery is replaced with an incorrect type Section 2 BTR 240 Base Station Controls and Connections Front Panel 101 2 3 4 5 FA d ES E 2L bai aL 1226 Figure 2 1 BTR 240 Front View Power on off switch turns the power on off to the BTR 240 lt MENU gt button used
114. turn to Step 3 Figure 5 40 Speaker Activated Status Screen To modify the Speaker Level c Using the lt UP gt lt DOWN gt buttons navigate the cursor The speaker icon will change depending on which audio intercom next to the menu option Spk Level and press SET to channels are active at the speaker port select the menu The level is displayed only if the speaker port is active If the speaker port is inactive this menu option will not be m i intercom channel only accessible D ES i intercom channel 2 only both intercom channel 1 and 2 Figure 5 39 Speaker Level Screen d Since there is only one level option press lt SET gt and the cursor and level number will begin flashing which indicates that the level can now be modified e Use the lt UP gt lt DOWN gt buttons to move the bar level up and down to the desired audio level and press lt SET gt to select it ClearScan When ClearScan is activated the BTR 240 base station will temporarily shut down it s transmitter and begin scanning the available RF channels The base station will determine which RF channel has the least activity and then begin transmitting on it lt MENU gt lt SET gt for approximately 3 seconds Key Sequence While the ClearScan process is running the scanning status is indicated by a progress bar on the LCD Figure 5 41 ClearScan Progress Screen After the ClearScan operation has completed
115. udio to be transmitted Wired Equivalent Privacy An encryption algorithm for security on wireless networks A wireless product that is based on the IEEE 802 11 standards The TR 240 s Ethernet port is active and the radio is deactivated TR 240 s in wired mode can communicate to other TR 240 s in wired mode without a BTR 240 base station The TR 240 s radio is active and the Ethernet port is deactivated A BTR 240 base station serves as the access point and provides wireless coverage for communication between the TR 240 s Wireless Local Area Network Defined by the 802 11 protocol 15 2 This page intentionally left blank 15 3 Bosch Security Systems Inc 8601 East Cornhusker Highway Lincoln NE 68507 Made in U S A 06 2011 PN F01UI196141 Rev 01
116. ugh or around obstructions such as walls ceilings metal objects etc will reduce strength of the RF signal and therefore reduce system range and performance The human body 1s also considered an obstruction to the RF signal The antennas that are supplied with the base station should provide satisfactory system performance in most applications System range and reliability can be enhanced however by remotely mounting the antennas or by using alternate antennas that can be found in the Accessories and Replacement Parts section of this manual The antennas listed in the Accessories and Replacement Parts section of this manual have been approved and authorized for use with the BTR 240 base station Using an unauthorized antenna may be illegal NOTE System Quick Start Guide The following 1s a list to quickly get the BTR 240 base station and wireless TR 240s beltpacks operating NOTE Prior to use the TR 240s should have their battery packs fully charged Refer to the Battery Charging Instructions in this section 1 Select a location for the BTR 240 base station and connect the power cord and antennas e When using omni directional antennas place the base station as close to the center of the coverage area as possible 2 Connect any desirable external audio interfaces For example 2 Wire 4 Wire Auxiliary Speaker local headset Figure 4 9 3 Turn on the base station BTR 240 Supporting 8 Wirel
117. ve pecan 404 20k Hz 800 Hz 100 mVrms Power Voltage SEELEN 24 0 VDC nominal AUDIO PLUS POWER Clear Com COMMON Input BMpeCOANCe os dew res races oe ER 200 POWER Output Level ee cua ER SE 1 0 Vrms nominal Bridging Impedance o o ooooooo o gt 10kQ Call Signaling A EE E 1243 VDC 4 VDC Minimum Power Voltage Se deu 30 0 VDC nominal Figure 11 1 2 Wire Specifications and Wiring Diagrams Local Headset The local headset connector is a standard 4 pin XLR A male XLR is used for Telex devices and a female XLR is used for RTS devices Figures 11 2 and 11 3 show the wiring diagrams for each headset configuration Telex Units 1 Microphone Shield ECH enee N 2 uM SE Audio 3 Headphone High RTS Units 1 Microphone Shield 4 Headphone Y He L ER er 3 Headphone Hh Ce microphone Audio High Figure 11 2 BTR 240 Headset Wiring Diagram Telex Units 4 Headphone 1 Microphone Low Shield ES as 3 Headphone 2 Microphone Audio High RTS Units 1 Microphone 4 Headphone MATA Shield Low Vie 3 Headphone Va ee High Figure 11 3 TR 240 Headset Wiring Diagram 4 Wire The 4 wire intercoms use a standard 6 pin modular jack RJ 11 for connectivity The 4 wire intercom uses two pairs of wires to support one full duplex audio channel One pair for sending balanced audio and
118. ximum output of 1W into 8 Ohms The speaker jack can drive a mono speaker as low as 4 Ohms Refer to Figure 11 7 for the wiring diagram of the speaker jack SS Figure 11 7 Speaker Wiring Diagram AUDIO AUDIO This page intentionally left blank Section 12 Troubleshooting If you are unable to solve the problem contact the manufacturer or dealer from whom you purchased the system for assistance Prior to troubleshooting please reread the sections of this manual to ensure the system is properly set up The following table contains troubleshooting tips that may be helpful in solving the problem Problem RF range of all the beltpacks is less than normal and or beltpacks are experiencing break up of audio in an area where they have worked well in the past When the TR 240 beltpack power was turned on the unit s power light came on but the Channel 1 button light never came on and communication never started When the BTR 240 base station power was turned on the LCD and button backlights came on but the progress bar did not complete and communication never started Headphone audio from another beltpack s 1s loud and distorted Headphone audio from another beltpack s 1s too low Possible Cause Antenna s not connected to the BTR 240 The two antenna connections are not connected to the right connectors on the BTR 240 RF interference has occurred The TR 240
119. y and the BTR 240 will not increment the Assoc Review Section 6 of this manual and the sub section titled Talk Button for instructions on how to engage the microphone path and place the TR 240 in full duplex Review Section 8 of this manual and the sub section titled User Configuration There are several potential sources for network configuration error that will not allow devices to communicate IP addresses of units are the same SSID do not match Encryption is not enabled disabled on all devices WEP encryption keys do not match MAC address filtering if enabled has not been configured properly and is blocking the device If the network configuration problem cannot be identified perform a Factory Reset on all devices to restore all the factory defaults Review Section 5 BTR 240 and Section 6 TR 240 of this manual for instructions on how to perform a factory reset Review Section 8 of this manual and the sub section Display edit audio encryption key for instructions on how to view and modify the encryption key Perform a Factory Reset on the device to reset the password to the factory default Review Section 5 BTR 240 and Section 6 TR 240 of this manual for instructions on how to perform a factory reset Review Section 8 of this manual and the sub section titled Network Configuration and ensure all instructions have been followed Problem Echo is h

Telex BTR-240 & TR-240 User Manual

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Telex BTR-240 &amp; TR-240 User Manual

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Telex BTR-240 & TR-240 User Manual