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Telex RADIOCOM TR-1 User's Manual

1. 80 dB 30kHz Low Pass Filtered 4 1 TR 1 Specifications RF Frequency 482 608 MHz 614 746 MHz in 18 MHz TX and RX bands Power 6 AA Cells Alkaline NiMH optional Current Draw bor A dee 190 mA Push to Talk Talk On Temperature Range scsi Beata hd ad 4 F to 130 F 20 C to 55 C Dimensions oa een 3 75 W x 5 10 H x 1 65 D 9 5 cm x 12 9 cm x 4 2 cm Wet 15 oz 425g with alkaline batteries TX Antenfd ERR DE EN I 1 4 Wave supplied Screw type Replaceable RX Antenna ia 1 4 Wave supplied Screw type Replaceable PCC TD nio o tek geht e a id dd Sam abs B5DM520 Frequency Response re deee Rane ete Kee ia ae 100Hz 4 0kHz Microphone input 2 7 mV 2000 Source Local Headset Output Hs 200 mW output into 150Q 1 distortion Transmitter lo boots put cp Synthesized 720 channels Transmit Power 50 mW typical High 5 mW typical Low or auto power switching Modulation Types tc tet eta ti eet GMSK dep eu ctas Complies with FCC 74 861 RF Frequency Stability kulat na ee eek Ean NE ERR 0 005 Radiated Harmonics amp Spurious Meets or exceeds FCC specific
2. Frequency Settings lt SET gt RF Meter NOTE Pressing lt MENU gt once after setting parameters in a non menu screen returns the unit to the status or alternate screen Figure 9 1 BTR 1 Menu Structure Section 10 Frequency Bands Frequency Bands The BTR 1 system operates in TV channels 16 to 36 and 38 to 59 This is the frequency range of 482 to 608 MHz and 614 MHZ to 746 MHz The band TV channels and frequencies are shown in Table 2 Most bands are 18 MHz wide however band 7 is 24 MHz wide Bands F to E are always base transmit bands beltpack receive bands Bands 1 to 7 are always base receive bands beltpack transmit bands Thus an A2 base station would be comprised of an A band transmitter paired with a 2 band receiver Band Pairing for Systems All band pairs cannot be made into a system a single system is comprised of a base and beltpack Table 1 show the avail able band pairings Base TX Bands Base RX Bands F 1 2 3 4 5 6 7 1 2 3 4 5 6 7 2 3 4 5 6 7 3 4 5 6 7 4 5 6 7 5 6 7 6 7 m UO w gt Table 1 Available Band Pairings In Table 1 it can been seen that a C base station transmit band can be paired with 4 5 6 or 7 receive bands However a C3 unit cannot be made This is because a certain amount of fre quency separation between transmit and receive bands is re quired for good transmit and receive operation If they are too
3. Replace the two pan head screws and use a third pan head screw 2 supplied with base station to screw into the up per middle location of the rack mount middle bracket Place the dual bracket on the other sides of the base sta tions Make sure the bracket is flipped so the front bend is toward the front of the base station As you face the rack the right base station will have the middle bracket front bend high and left base station will have the bend low Replace the two pan head screws and the other pan head screw into the upper middle hole of each bracket Use the four flat head screws 2 supplied with base sta tion to secure the top and bottom of the middle brackets together Use rack mount screws not supplied to secure the unit to the rack SUPPLIEI SS 9 9 REMOVE SCREWS TYPICAL 4 SIDES Figure 5 3 Rack Mounting Two Base Units Side by Side Antenna Connection The base station is supplied with two 2 antennas One 1 2 wave antenna for Transmit and one 1 2 wave for Receive The antennas have TNC male connectors The frequency range of the antennas should match the receiver and transmitter of the base station Match the color code on the antenna with the color code on the base station Attach the transmit 1 2 wave antenna to the antenna input re ceptacle labeled TRAN on the right side of the rear panel The antenna should be vertically aligned Figure
4. SET UP DOWN for three seconds 7 10 Blank TR 1 Beltpack Screen Flowchart TX MENU MENU MENU 2 lu R 200 554 100 gt 00 Pct F Pot 3 programming set to ON and beltpack transmit power set to AUTO Default SET SET SET SET SET FTX R1 P Esa IA fosio ouo cts MISI SET SET A SET SET v Er 0 No Mic Gain m 15 Full Mic Gain ERE dEF FAC dEF m OFF 0 15 Steps 3 dB each If Factory Group If Factory Group SET SET Notes 1 Pressing MENU will bail out of editing without any changes 2 Groups Ol to 50 are factory groups 51u 64u are user defined groups A 3 A decimal point in all screen indicates the beltpack is in high transmit power No decimal point Y indicates low transmit power 4 Auto frequency programming via the base changing frequencies only will occur at the beltpack SET if the following is set Beltpack already in communications with the base beltpack auto Section TR 1 Menu Structure Software Ch Maps Talk Button Serial Number Set Hold Wr for 3 seconds Hold SET and hit Talk Hold SET and hit C Hold MENU SET Must be in Enerypt Set Screen 5 10 544 Defaul Eb LAE Hit Release y Hit Talk 4 Hit C th OFF Displayed for 2 seconds Hit C Hit Talk Hit
5. C Tr o Hz re rr 0001 Displayed for 2 seconds Then back to last menu screen Hit Talk E 4 co Hit C Hit C 8 1 c LA PEE for 3 seconds MENU A for 3 seconds Scan for A 4 wil SET m 5 ch After last number is set CH it defaults back to Encrypt Y i Sereen Band Figure 8 1 TR 1 Menu Structure Hold Y for 3 seconds to lock Hold A V for 3 seconds to unlock ACC ESS During Lock if SET hit Lac Dub Hold MENU as Powering up Unit Sets unit to Gp 01 Ch Al All user settings kept Hold MENU SET Hit A for 3 seconds A y for 3 seconds rut On Sets unit to Gp 01 Ch Al A All user settings erased v Set to factory defaults SET Default Start up Screen Status Screen Telex Communications BETELEX G Ho Bi A RadiaoCom GF IC s ri zb18B16 3 2 F nn Press and hold lt MENU gt for 3 seconds to toggle between Status or Alternate for the screen in this position 9 1 Section 9 BTR 1 Menu Structure UTE NAME ABCDEFGHI lt SET gt Security Code curity Code BATELEX a JKCMNOPUR FE28 SIL NUMBER B1 9123456759 i BASE NAME CO hl System Settings ERE SETS Bass Main Settings EE M ur a m gt FREGUENCY BASE HT MORE lt SET gt BTH A SELECT TALK BF OFF MODE Mut IC 1 C IM nun SET SIDETONE LEW AUX Y IC BTE
6. Telex Communications proprietary digitally encrypted wireless communication between the base station and beltpack AC or DC operation in the 12 to15 Volt range Backlit base station LCD allows the user to easily monitor the beltpack s status The frequencies of a beltpack may be changed at the beltpack or from the base station Beltpack units contained in a weather and shock resistant die cast magnesium case Six channels of 2 Wire intercom Compatible with Audiocom Telex RTS TW Clear Com RTS Matrix and other wired intercom types Relay contact closure on the base station that can be acti vated from the beltpack ClearScan function to automatically find the best chan nels on which to operate Base stations are table or rack mountable RTS and Audiocom are registered trademarks of Telex Communications Inc Clear Com is a registered trademark of Clear Com Intercom Systems Inc 1 1 1 2 Blank AUX HEADSET AUX HS V4 7 OUT LEVEL AUX LOW PASS PRE lt IN __ as AUX IN GLOBAL LOCAL EA ini gt Dm SQUARING BTR 1 BLOCK DIAGRAM LISTEN 1A d d d 7 7 7 7 7 7 7 7 7 7 7 7 d d 7 7 7 d 7 d 7 INPUT 1 LISTEN 1B LISTEN 2A INPUT 2 OUTPUT 2 LISTEN 2B LISTEN INPUT 3 OUTPUT 3 LISTEN 3B LISTEN 4A INPUT 4 OUTPUT 4 LISTEN 4B LISTEN 5A INPUT 5 OUTPUT 5 LISTEN 5B LISTEN 6A INPUT6 OUTPUT 6 LISTEN 6B AVAVAAVAYAAYAY ANY AS AA AS AA A A INTERCOM INTERCOM
7. CURSO A Pen 6 6 System Settings EE d Pu kN ee ie erben 6 6 Name and Number pica ener iudei lese un eed pau a RD PETRUS SR ENS E Ad 6 6 Base Main Settings ccce eR CLE RELATO ee ee 6 6 Intercom obe secet ee ye papa cia upaqa ade leu 6 7 Auxiliary Line nennen A CC RR e asc e e Eu a sis 6 7 Base FX POWER PC PITT 6 7 Sidetone Levels screen een an Re ta De 6 7 Frequency Settings veins Senne aes ewe Wea at eth rei VERAS 6 7 Intercom Settings cere nenne De Pa ee RIT PI EE 6 8 RE Meter 3 2 sana br TREES RETO ERES re QUA rb an DAP HR p ns ne 6 9 Clear Scan P PME 6 9 Special Button Funcion rss a eMe RM dE Uere RI e ERI b bi 6 10 Table of Contents continued Section 7 Operations ss ee I Basic Operational 2 4 7 1 System Quick Start ea exe dent ee reed 7 1 Battery Installation y RE ee Renee EA oad ee ee 7 2 Transmit Modes PT TALK PT TX end 7 3 Headset Connection u ul oe nn an ac ee een hehe a 7 3 RITE EO ee ee ed er 7 3 Antenna Connections 7 3 TR 1 Top Panel ceteros nee GORGE 7 4 On Off Volume Control aer ne nenne 7 4 BATOM Light ne en o ce
8. NOTE A decimal point in the display indicates the transmitter is at high power no dot means the unit is at low transmit power Auto Default The beltpack is transmitting at full power nominal 50 mW constant High The transmitter is at low power nominal 5 mW constant Low When the unit is set to auto the beltpack will set it s power set ting according to information being sent from the base station The base station information will tell the beltpack the appro priate power setting to use based upon received signal strength level at the base station from the beltpack By reducing the transmit power when possible the battery life of the beltpack can be slightly extended Also intermodulation products can be reduced Changing the Transmit Power Setting 1 Push lt SET gt at the transmit power screen The power setting will begin flashing 2 Select the power setting with the lt UP gt lt DOWN gt ar row buttons 3 Push lt SET gt to place the unit at the indicated setting Encryption Code The encryption code screen allows the setting of four hexadec imal digits Any combination of letters and or numbers may be selected The beltpack s code must match the base station s code for audio recovery This code along with the serial num ber encryption code discussed on the next page means there 1s over 4 billion possible code combinations MICROPHONE GAIN SCREEN MENU y TRANSM
9. 1 kHz and is heard for 0 5 seconds every 30 seconds The tone is only heard at the beltpack The alert tone function may be turned on or off at the beltpack Low Battery Alert Tone On Off 1 Press lt SET gt at the battery percentage screen The screen below will appear 2 The low battery tone option will also begin flashing 3 Use the lt UP gt lt DOWN gt arrow buttons to turn the op tion on or off 4 Push SET to accept the change The display will now return to the battery life screen RECEIVE FREQUENCY SCREEN BATTERY PERCENTAGE SCREEN MENU Figure 7 6 Receive Frequency Battery Percentage Screen Microphone Gain This screen displays the setting of the microphone gain of the beltpack There are 16 possible settings The number 0 indi cates no microphone gain the number 15 is maximum gain Each step is about 3 dB of audio Adjusting the Microphone Gain 1 Push lt SET gt at the microphone gain screen The num ber will begin flashing 2 Select the desired gain with the lt UP gt lt DOWN gt ar row buttons 3 Push lt SET gt to place the unit at the indicated micro phone gain Transmit Power The transmit power screen displays the current setting of the beltpack transmitter s output power level There are three set tings Transmit Power Settings The beltpack s transmitter adjusts it s output level according to information sent to the beltpack from the base station
10. 7 In factory defined groups after the RX channel is set press MENU once to go back to the status screen Press lt SET gt again to begin the editing of the screen again In user defined groups the editing continues with the Tx frequency then Rx frequency Once these are set press lt MENU gt once to go back to the status screen or press lt SET gt again to begin the editing of the screen again 6 8 Intercom Settings While the intercom type was set in the base main settings the other 2W intercom setting are done in this screen The assign ment of the three beltpack buttons A B and C to the inter com ports are done here The intercom input and output levels are also set here This screen also provides the ability to set the intercom to mute talk or listen and activate or deactivate auxiliary audio to an intercom channel The C button also has the added selectable options of QB on off and Relay on off Setting the A B and C TR 1 button intercom selections 1 From the status screen hit MENU once to arrive at the security code system settings intercom settings RF meter menu screen 2 Select the intercom settings menu with the lt UP lt DOWN gt arrow buttons and press lt SET gt to go to the intercom settings 3 The button selected will be flashing A B or C Select the desired button by using the lt UP gt lt DOWN gt arrow buttons then press SET The intercom port will now be flashing 4
11. close the RF performance of the system is reduced 10 1 Band TV Freq Start Freq End 16 482 488 F 17 488 494 18 494 500 19 500 506 H 20 506 512 21 512 518 22 518 524 A 23 523 530 24 530 536 25 536 542 B 26 542 548 27 548 554 28 554 560 C 29 560 566 30 566 572 31 572 578 D 32 578 584 33 584 590 34 590 596 E 35 596 602 36 602 608 Not Used 37 608 614 38 614 620 1 39 620 626 40 626 632 41 632 638 2 42 638 644 43 644 650 44 650 656 3 45 656 662 46 662 668 47 668 674 4 48 674 680 49 680 686 50 686 692 5 51 692 698 52 698 704 29 704 710 6 54 710 716 55 716 722 56 722 728 7 57 728 734 58 734 740 59 740 746 Table 2 Band Names and TV Channels Factory Group Plan There are 50 factory defined groups in a base station and beltpack These group are organized in different ways to provide flexibility to the user on selecting frequencies A group is com posed of intermodulation free frequencies but a group is also organized to be composed of frequencies in different combinations ofthe TV channels The user then can select a group that is clear of broadcast TV channels in the area by selecting a group s that doesn t use those channels Table 3 indicates how the factory defined groups use the three TV channels for transmit and 3 TV channels for receive A shaded TV channel indicates the group
12. lt MENU gt once to arrive at the security code system settings intercom settings RF meter menu screen 6 9 2 Select the RF meter menu with the lt UP gt lt DOWN gt arrow keys and press lt SET gt to go to the RF meter ClearScan Press and hold lt MENU gt lt SET gt for 3 seconds to enter the ClearScan menu There will be three option from with to choose from by using the lt UP gt lt DOWN gt arrow buttons and then press lt SET gt Those options and the results are explained below ClearScan Groups This option scans all the groups in the base station The group with the highest number of clear receive channels is listed at the top of the list lt UP gt arrow all the way to the top The next group down has the second highest number of clear receive channels and so forth Channels that clearly have RF interference on them are inverted A possible result of ClearScan Groups is shown below No frequency in that receive channel position It would be dashed lines if examined in the group channels screen EJ nterference found on the receive channel during the groups scan After a group is decided upon press lt SET gt to select that group A ClearScan Channels is now initialed See ClearScan M Channels description ClearScan Channels This option scans all the receive channels within the base station s currently set group This scan is also initialed after a ClearScan Groups i
13. pin 1 7 amp 8 GND GND GND GND 15 QB QB QB QB OB Quarter back mode See intercom setting section Figure 6 3 Intercom Assignments of XLR and D Sub Connetors 4W Intercom Ports The base station can connect to a 4 wire systems via the RJ 11 jack labeled 4 WIRE The pinout for this jack may be seen in figure 6 4 For a description of how to set up the 4 Wire Jack refer to intercom settings in this section The 4 Wire jack is for balance input and output signals VH 7 NC Not Connected PIN 654 321 NC NC AUDIO IN AUDIO IN AUDIO OUT AUDIO OUT Figure 6 4 Pinout of the 4 Wire Jack Auxiliary port This jack allows a balanced input auxiliary signal to be placed into the base station It also allows a balanced output signal to be brought out of the base station The input signal can be software selected to be local or global A local input signal is only heard at the base station s local headset and beltpack A global input signal is heard thoughout the intercom system s the base station is current connected to via the selection of the beltpack s A B or C button The pinout for this jack is in fig ure 6 5 PIN 654 321 NC Not Cnnected NC NC AUDIO IN AUDIO IN AUDIO OUT AUDIO OUT Figure 6 5 Pinout of the Auxiliary Jack CAN Bus The CAN bus allows the connection of multiple base stations to a Fr
14. 100 Base Station s 1 2 Wave Antennas Model No Part No Band Color Frequency CLA 1 870658 1 Blue 520 565 MHz CLA 2 870658 2 Yellow 565 615 MHz CLA 3 870658 3 Red 615 660 MHz CLA 4 870658 4 White 560 690 MHz CLA 5 870658 5 Green 690 725 MHz CLA 6 870658 6 Orange 725 760 MHz CLA 10 870658 10 Tan 470 518 MHz CLA 11 870658 11 Pink 515 548 MHz CLA 12 870658 12 Brown 542 575 MHz 16 1 Section 16 Accessories and Replacement Parts AB 2 Bracket for 1 2 wave Antenna with 10 ft of coax MICROPHONE STAND MOUNTING i PN 71138000 urmam 05 FEBR BTR Power Supply 12 VDC LAMP 3 usa 879963 BTR Power Cords WS Canadas iiec eO 600092 BTR XLR Intercom Dummy Load Telex type zinc anii i HO ERO 878935 CY Pe I 878990 LCD switch cover 2 2 450364 Loop Thru Patch Cable 690523 2 Pin Relay 2862046 BP 700 TR Battery pack alkaline batteries not included ne 71315 000 BP 700NM TR Nickel Metal Hydride Battery pack iuris 71315 001 BC 1NM4 Four Slot Smart Charger with Four Nickel Metal Hy dride Battery Packs US Canada arse 301778400 uuu teme Fe 301778401 BC INM Single Slot Smart Charger with Nickel Metal Hydrid
15. 5 4 Attaching Transmit 1 2 Wave Antenna Attach the receive 1 2 wave antenna to the antenna input re ceptacle labeled RCV on the left side of the rear panel The antenna should be vertically aligned Figure 5 5 Attaching Receive 1 2 Wave Antenna Antenna Polarization The Telex Wireless Intercom System is Vertically Polarized This means both the transmitting and receiving antennas should operate in the vertical position 5 3 SAM ANTENNAS SHOULD BE VERTICAL a Figure 5 6 Vertically Polarized Antennas Distance between Antennas The distance between the base station s receive and transmit antennas is not adjustable when the antennas are connected di rectly on the back of the unit The antennas can be remoted for better signal path A Telex coax assembly with remote antennas may be required See Accessory and Replacement Parts section for ordering infor mation NOTE If your base station is to be located in a shielded rack mount enclosure or other poor RF location you must remote the 1 2 wave antennas with coax assemblies See Accessories and Replacement Parts section for remote mounting hard ware Antenna Placement Proper antenna placement probably has the most effect on your TELEX Wireless Intercom System s overall perfor mance The following suggestions will result in optimum per formance Proper placement
16. INTERCOM INTERCOM INTERCOM INTERCOM PORT 1 PORT 2 PORT 3 PORT 4 PORT 5 PORT 6 Figure 1 1 BTR 1 Block Diagram 1 3 RX VOLUME SQUARING AMP LOW PASS FILTER RECEIVER NY TX PRE EMPHASIS ELECTRET DYNAMIC DETECT Figure 1 2 TR 1 Block Diagram Section 2 BTR 1 Base Station Controls and Connections Front Panel 1 2 3 U N E menu RadioCom 4 7 EN T E 2 CONTRAST ADJUST Figure 2 1 BTR 1 Front Panel 1 On Off Switch Turns the base station on off 11 Local Headset Connector Male XLR connector for Telex units Female XLR connector for RTS units A dy 2 Menu and Set buttons Used to select menus and set namic or electret headset microphone is automatically de options on the LCD tected Telex Units 3 Backlit LCD w Contrast Adjust Adjust the level of to the A ras dd en 1 Microphone d E Shield x ow msi d WEY 3 Headphone 2 Microph 7 a Z GJ High 4 Up and Down buttons Used to select menus and set options on the LCD 5 Peak Aux Level Light Will flash red when the auxiliary input level into the base station is too high RTS Units 6 Peak Intercom Level Light will flash red when the in pM O usn 1 Microphone tercom input levels into the base station are too high X zs Y Shield
17. Lit LL MENU y lt MENU gt Figure 7 5 Group Channel and Transmit Frequency Screen Receive Frequency This screen displays the frequency in MHz of the beltpack re ceiver The frequency is not changeable in factory defined groups The frequency is changeable in user groups Editing the RX Frequency User Groups Only 1 Set the unit to the desire user defined group and chan nels See Groups and Channels Instructions The menu structure at the right Figure 7 6 indicates how to get to the receive frequency screen 2 Push lt SET gt to edit the RX frequency The frequency will begin flashing 3 Select the desired frequency with the lt UP gt lt DOWN gt arrow buttons The frequency can be changed in 25 kHz steps 4 Push lt SET gt to place the unit on the new receive fre quency Battery Display The battery display screen indicates the current percentage of battery life based upon alkaline batteries being used in the unit NiMH battery packs will lose voltage nuch faster than al kaline batteries toward the end of life Battery Percentages 100 Pct Fresh Battery 75 Pct 75 Life Left 50 Pct 50 Life Left 25 Pct 25 Life Left 10 Pct 10 Life Left Low Battery Light Active 0 Pct Battery Dead Unit will lose communication at any time Setting the Low Battery Alert Tone The beltpack has an audio alert tone that is sent to the headphone if the battery life reaches 10 The tone is at
18. Select the intercom port to be set Intercoms 1 6 will be available 1 3 in 2W RTS XLR Set the intercom port by using the lt UP gt lt DOWN gt arrow buttons then press SET If in 2W RTS XLR mode an additional option will appear This is RTS Channel 1 or 2 Select Use the lt UP gt lt DOWN gt arrow buttons to set the RTS Channel then press lt SET gt The intercom mode will start to flash Select from Mute Talk or Listen MUTE The intercom port is off No audio is placed on or taken from that port TALK The intercom port is active Audio is passed to and from the beltpack and base station s local headset LISTEN The audio on the intercom port can be heard at the beltpack and base s local headset but no audio is passed to the intercom port from the beltpack or local headset If talk is selected the user will be asked to set the inter com in and out levels If Listen is selected the user will be asked to set the listen level Use the lt UP gt lt DOWN gt arrow buttons to adjust the levels then press lt SET gt to accept the levels NOTE Inverted character for the intercom listen levels indicates the option is off After levels are set the aux input selec tion is now active The aux input selection will now be flashing Use the lt UP gt lt DOWN gt arrow buttons to select aux audio Yes or No Press lt SET gt to accept the choice Aux in put is selectable by button only Setting the aux input for but
19. adjust via the pot above the Talk button A plastic screwdriver was provided with the base station for this purpose Adjust the gain for the overmodulation set ting as shown above Powering the Base Station The base station requires 12 15 Volts AC or DC at 1 Amp for power The power jack accepts a 5 5 mm x 2 1 mm screw on plug An inline 12 Volt DC power supply was provided with the base station Power the base station via the rocker switch located to the left as facing the base station Start up When the BTR 1 is powered up the Ist screen displayed is the start up splash screen It will be displayed for about 3 seconds This screen contains the software version and channel map versions that are loaded into the base station The following screen has software version sb10016 and channel map ver sions B0001 and 30001 This indicates it is a B3 unit erica tiara 4 After 3 seconds the status screen will appear See the BTR 1 Menu Structure section for a flowchart of the main BTR 1 screens Status Screen The status screen is the main information screen of the base station It displays a number of system items Name of Base Station Number of Base Station The Beltpack Button Currently Selected Group and Channels ntercoms Active The Bands of System A2 B3 E7 etc The Intercom Type Selected 2W or 4W Battery Life at the Beltpack El E B B 6 5 The status scr
20. and holding lt SET gt while hitting the talk button The current mode of the talk button will be displayed the first time the talk button is hit Hit the talk button again to change the mode of the button Release the lt SET gt button to accept the currently displayed setting 7 4 Push to Talk Push to Latch Off Selectable Modes TALK A B Selection Switch This rocker switch switches between A and B button base sta tion pre sets C Pushbutton The C button activates the base station C audio paths and spe cial functions Selectable Modes Button C Momentary Latching Quarterback OFF Push to Talk Latching Talk The mode of the C button may be selected by pressing and holding lt SET gt while hitting the C button The current mode of the C button will be displayed the first time the C button is hit Hit the C button again to change the mode of the button Release the lt SET gt button to accept the currently displayed setting Group and Channels The first LCD screen the beltpack displays after power up is the group channels screen This screen shows the currently selected group followed by the receive and transmit channels where the unit is set Editing Group Channels 1 Push SET to edit the group The group number will begin flashing 2 Select the desired group with the lt UP gt lt DOWN gt ar row buttons 3
21. beltpack are of the same fre quency bands 2 Attach antennas to base station 3 Ensure intercom ports 1 and 2 are loaded via a Telex AudioCom load 3000 between pins 2 and 3 or con nected to a power supply WARNING Failure to load the intercom ports could cause a loud feedback due to excessive gain when a headset is placed on the base or beltpack 4 Power up the base station 5 Press lt MENU gt SET UP lt DOWN gt on the base station once it is powered up 6 Press lt MENU gt as powering up the beltpack 7 Setthe encryption code on the base station 8 Set the encryption code on the beltpack to match the base station 9 Set the serial number of the base station in the beltpack 10 The base should now indicate a battery voltage indicat ing the base station and beltpack are communicating 1 ha Plug a headset into the base station and beltpack Ad just the microphone gain on both so the overmodulation light flashes only on the loudest ex pected speech level 7 1 Battery Installation Ensure that the On Off volume control knob is turned off Press down and hold down the battery release latch slide the battery pack about 1 8 inch back toward the latch until it stops Then lift battery pack out Replace batteries as follows 2 Pull battery strap to remove low or dead batteries 1 Open the battery pack by inserting fin ger nail and lifting 3 Load new batteries
22. e 3 Headphone fi 7 Talk Light Green when the talk button is active Will 3 Ke High Ss turn red when the microphone level into local headset is gh L lt Moa paene high 8 Talk Button Press to enable the audio path from the O eus 1 Microphone headset 5 4 Headphone A Low e 9 Headset Volume Used to adjust the volume level out to a Ne headphone 3 Headphone c 2 Microphone High Audio 10 Microphone Gain Adjusts the audio gain from the local Figure 2 2 headset microphone Local Headset Wiring 2 Controls and Connections Rear Panel 12 13 14 15 15 13 20 Telex TELEX COMMUNICATIONS INC BTR 1 MADE IN U S A PATENT NO 6 373 951 B1 3 2 WIRE INTERCOM Figure 2 3 BTR 1 Rear Panel Relay Contacts Normally Open When activated it will close Receive Antenna Connector TNC Female connector The color dot near the connector must match the color of the antenna Auxiliary Connector RJ 11 connector used to connect balanced auxiliary audio into and out of a base station CAN Bus RJ 45 connectors used to connect a base sta tion to a CAN type of communications bus 2 2 16 17 18 19 20 4 WIRE Connector RJ 11 connector used to connect balanced 4 W audio into and out of the base station Intercom Loop Thru T
23. following the polarity as shown in battery case 5 Be sure strap goes under batteries 6 Tuck end of strap under door when placing the battery cover back on the case 4 Start loading at the end of the case where the strap is attached to the case Figure 7 2 Battery Installation WARNING Do not place an alkaline TR battery pack in any battery charger Severe charger and batter pack damage may results 7 2 TR 1 MENU AND SET BUTTONS HEADSET CONNECTION ANTENNAS UP AND DOWN BUTTONS PUSH TO TALK PUSH TO TRANSMIT SWITCH Figure 7 3 TR 1 Controls Transmit Modes PT TALK PT TX The rear panel has a slide switch that can be set to the follow ing two modes PT TALK Push to Talk The transmitter is always on No audio is sent unless the talk button is active Recom mended position PT TX Push to Transmit The transmitter and audio path are off except when the talk button is active Headset Connection The headset connector is a XLR type connector Four or five pin Telex or RTS headset connectors may be installed in the unit See the TR 1 Controls and Connections section for in formation on the pinouts A dynamic or electret headset micro phone is automatically detected by the beltpack and a bias voltage supplied if needed 7 3 Sidetone Sidetone is the amount of the users voice that is feedback to their headphone The sidetone level in the beltpac
24. has frequencies in that channel The white TV channel indicates the group has no frequencies in that TV chan nel Group 1 uses at least one frequency from each of the three TV channels for TX and RX However group 50 uses only the third TV chan nel for TX and RX Base TX Freg Base RX Freq Group TV1 TV2 TV4 TV5 TV6 N 10 2 Table 3 Groups and TV Channel Used Shaded TV used Not Shaded TV not used Reread the sections of this manual to make sure you have completed system set up properly Section 11 Troubleshooting If you are unable to solve the problem contact the dealer from whom you purchased the system for assistance PROBLEM SOLUTION DISTORTION System s audio quality seems distorted at medium to high input levels Reduce microphone gain by adjusting microphone gain con trol HISS System seems to produce a hiss which is undesir able Check the gain setting on all beltpacks and the base station They may be too low or too high Check to make sure you are still well within range of the base station LOW OUTPUT System produces a low output level Check the gain setting on both the beltpacks and the base station They may
25. 100 mVrms Power Voltage 28 0 VDC nominal AudioCom Telex Input Impedance ae 30002 Output Level aueh 1 0 Vrms nominal Bridging Impedance uoces ia rues Call Signaling Sende iR NEM 20kHz 100 Hz 05 mVrms RECEIVES nasse 20kHz 800 Hz 100 mVrms Power Voltage 24 0 VDC nominal Clear Com 12 3 VDC Receiver iii UN AREE 4 VDC Minimum Power Voltage iere emet eds 30 0 VDC nominal 13 1 Section 13 2 Wire Systems Specifications COMMON AUDIO 1 PLUS POWER AUDIO 2 COMMON AUDIO PLUS POWER AUDIO PLUS POWER COMMON POWER 13 2 Blank Section 14 FCC Information FCC LICENSING The Telex BTR 1 and the TR 1 Transmitter Receiver are Type Accepted under United States Federal Communi cations Commission Part 74 Licensing of Telex equipment is the User s responsibility and licensibility depends on the user s classification users application and frequency selected Telex strongly urges the user to contact the appropriate telecommunications authority for any desired clarification This device complies with part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference CAUTION Changes or modifications made by the user could void the user s authority to operate the equipment 14 1 14 2 Blank Section 15 Software License End User License Agreement for Telex Software IMPORTANT Please
26. COM JACKS CONNECTOR Figure 6 2 BTR 1 Rear Connectors Interfacing to the BTR 1 TX RX Antennas The TNC jack marked RCV is for the receive antenna The TNC jack marked TRAN is for the transmit antenna The base station will come with two wave antennas Always match the color dot on the base station with the colored band on the antenna 2W Intercom Ports The base station has the ability to interface with up to six lines of 2 wire intercom Intercoms 1 to 4 are available in two loca tions the XLR ports and the D sub loop thru connectors In tercoms 5 and 6 are available only at the D sub See Figure 6 3 for the intercom assignments of the XLR and D sub con nectors The female and male connectors are paralleled to gether For a description of how to set up the 2W port refer to Intercom Settings in this Section Physical Connections Possible Connections when BTR 1 in Indicated Mod uc DB 15 RTS XLR Mode E 2 XLR 1 pin 2 1 IC 1 XLR 1 pin 3 9 IC1 CH2 IC 1 IC 1 FEMALE XLR 2 pin 2 2 1C 2 IC 2 IC 2 XLR 2 pin 3 10 IC2 CH2 IC 2 IC2 2 XLR 3 pin 2 3 OR IC3 IC 3 IC 3 XLR 3 pin 3 11 IC3 CH2 IC 3 IC 3 XLR 4 pin 2 4 IC 4 IC 4 4 3 12 4 IC 4 5 IC 5 IC 5 9 13 IC 5 IC 5 6 IC 6 IC 6 14 IC 6 IC 6 XLRs 1 2 3 4
27. ER NES al El BE an E BE e ee ej oe eje 0 e oe ele 06 e e 5 6 Blank Basic Operational Description The BTR 1 is a full duplex simultaneous talk and listen base station that works in conjunction with a TR 1 beltpack The base station via the beltpack allows communication with other wireless or wired users The A B and C buttons on beltpack are assigned their functions at the base station The base station also has the ability to program the frequencies of the beltpack over the air The sidetone for the base station s lo cal headset and the beltpack are also adjusted at the base sta tion If base stations are being used stand alone no 2 wire power supply but interconnected via the 2W interconnect cables all used intercom channels must be loaded or a loud squeal may result 6 1 Section BTR 1 Operation System Quick Start The following is a list to quickly get a base station and beltpack operating Ensure the base station and beltpack are of the same frequency bands 2 Attach antennas to base station 3 Power up the base station 4 Press lt MENU gt SET lt UP gt lt DOWN gt on the base station once it Is powered up 5 Load the base sta
28. IT POWER P ALE SCREEN po Pu MENU y ENCRYPTION CODE EMT E SCREEN Ent LI lt MENU gt Figure 7 7 Microphone Gain Screen and Transmit Power Screen Changing the Encryption Code 1 2 Push lt SET gt at the encryption code screen The first code location will begin flashing Select the desired number letter with the lt UP gt lt DOWN gt arrow buttons Push lt SET gt to set the code Now the next code loca tion will begin flashing Set the next three code locations in the same manner Serial Number Code The base serial number is required to be input to the beltpack to allow communication with that base station The number like the encryption code is composed of four hexidecimal dig its This extra security along with the encryption code means there is over 4 billion possible code combinations Changing the Serial Number Code 1 Press and hold MENU lt UP gt buttons at the en cryption code screen for about 3 seconds The serial number set screen will appear E AJ I 2 Push SET to start the first number flashing Select the desired number with the UP lt DOWN gt arrow buttons 3 Push lt SET gt to set the code Now the next code loca tion will begin flashing 4 Setthe next three code locations in the same manner Auto Programming This function allows the base station to change the beltpack s frequencies over the air Thus whenever the base station s
29. Push SET to accept the group The receive channel letter will now begin flashing 4 Select the desired channel with arrows buttons 5 Push lt SET gt to accept the receive channel The trans mit channel number will now begin flashing 6 Select the desired channel with the arrow buttons 7 Push SET once more to accept the transmit channel 8 The new group containing the selected channels is now set NOTE Pressing lt MENU gt during the group channels editing will bail out of the editing without any changes Factory group s frequencies are not changeable User group s Group 51u to 64u frequencies are changeable Transmit Frequency This screen displays the frequency in MHz of the beltpack transmitter The frequency is not changeable in factory defined groups The frequency is changeable in user groups Editing the TX Frequency User Groups Only 1 Set the unit to the desire user defined group and chan nels See Groups and Channels Instructions The menu structure at the right Figure 7 5 indicates how to get to the transmit frequency screen 2 Push lt SET gt to edit the TX frequency The frequency will begin flashing 3 Select the desired frequency with the lt UP gt lt DOWN gt arrow buttons The frequency can be changed in 25 kHz steps 4 Push lt SET gt to place the unit on the new transmit fre quency 7 5 GROUP CHANNEL SCREEN MENU y TX t TRANSMIT FREQUENCY SCREEN
30. TION A X X or1 Y Y B BELTPACK POSITION B or 2 Jaag gt e DEEP S e x X AUDIO CHANNEL 1 MAIN OFFENSE TU Y FTT Y E AUDIO CHANNEL 4 PRIVATE DEFENSE X Y X Y E y E KI y E I era RX ANTENNA TX ANTENNA COAXIALCABLE HEAD COACH 2 COACH 3 COACH 4 COACH 5 COACH 6 COACH 7 COACH 8 COACH 9 COACH 10 COACH OFFENSE OFFENSE OFFENSE DEFENSE DEFENSE DEFENSE DEFENSE EXTRA EXTRA BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK BELTPACK A MAIN OFF MAIN OFF HA MAIN OFF MAIN OFF MAIN DEF x MAIN DEF x MAIN DEF x MAIN DEF x PRIVATE OFF x PRIVATE OFF B B B MAIN DEF g PRIVATE OFF PRIVATE OFF PRIVATE orr B PRIVATE DEF PRIVATE DEF B PRIVATE DEF PRIVATE DEF PRIVATE DEF PRIVATE DEF Figure 6 1 Example of a BTR 1 Ten Pack System Being Used by a Football Team 6 2 RECEIVE ANTENNA CONNECTOR CAN BUS INTERCOM LOOP THRU TRANSMIT ANTENNA CONNECTOR Telex xx dw TELEX COMMUNICATIONS INC 777 NEM BTR 1 MADE IN U S A PATENT NO 6 373 951 B1 N fF AUX 4wiRE GAO 4 WIRE CONNECTOR AUXILIARY CONNECTOR RELAY CONTACTS POWER INTER
31. Telex Operating Instructions RadioCom BTR 1 TR 1 Professional Wireless Intercom System TELEX Table of Contents Section 1 1 1 General Descriptions so y sau Deren vete seek oed d dotato dare si pa 1 1 SMS UB UIS RFT 1 1 BIR Block Di gratiz ohio hu bU BL UE bU Su eee surdus diuo Benq 1 3 TRI Block Diagramm z a 1 4 Section 2 Base Station 2 1 Controls and Connections Front 2 1 Controls and Connections Rear 1 2 2 Section TR 1 sxussxkhsa kh y s aa o E e erac Controls and Connections Top Panel dew bebida ie qug ed 3 1 Controls and Connections Rear 1 2 3 2 Section 4 Specifications 4 1 BIR 1 SpecihHc tions gam oe ee Gilded Stat a Oa did sasa an d apes 4 1 TRI Specie ations A 4 2 Section 5 Initial Equipment Set Up 5 1 Unpacking uo nes nee er ee ne d eb ya p es dia 5 1 Rack Et RC ECL COE Ee e
32. a cute doa ae uus diete tern 7 4 Talk button da ee 7 4 A B Selection Switch bose de dd ie a ea ie al 7 4 C Pushbutton cs it dt ls ls ll ute tu s 7 4 Group And Channels 23 oi ee ea ee ee een 7 5 Transmit Bregueney ug Reset ee 7 3 Receiver Frequency o peti pied pied beue e eee ee re iubes Sepa dede 7 6 Battery Display ct ME xL MC RE daa 7 6 Microphone Mi daw hee be ee A 7 7 Transmit 7 7 Encryption Code 4 4 5 jc td re ee pe ee 7 7 Serial Number Code i a 7 8 Auto Programming ae id a 7 8 Software Channel Map 1 40 2 74 1 4 7 8 Clear Scans sense ee ee en 7 8 7 9 DSC MISS 7 9 Factory P AR 7 9 Section 8 TR 1 Menu Structure saa s 8 1 Section 9 BTR 1 Menu Structure errr ree 9 1 Section 10 Frequency Bands 10 1 Section 11 Trouble Shooting ieee ews 11 1 Section 12 Battery Information 12 1 Section 13 2 Wire Intercom Specifications 13 1 Section 14 FCC Information 14 1 Section 15 Software License 15 1 Section 16 Accessor
33. appear Scan within a Group Scan Band Scan Groups lt DOWN gt lt DOWN gt lt DOWN gt Figure 7 8 ClearScan Menus Use the lt DOWN gt arrow button to select the type of ClearScan desired 4 Push SET to start the ClearScan Scan Groups a After the scan is done the group icon will be flash ing The left side of the screen will display the group The right side of the screen will display the number of receive channels clear in that group Use the lt UP gt lt DOWN gt arrows buttons to select a group then push lt SET gt to set the group and start the channel scan within that group After the scan within a group use the lt UP gt lt DOWN gt to select a channel Hit SET to set the channel The unit will now be set to the group selected earlier and the receive channel just selected NOTE The transmit channel will be the one in that group that the unit was already set to The ClearScan of the base station would select the best beltpack transmit channels to use 5 Scan with in a Group a After the scan is done the channel icon will be flashing The right side of the screen will display the best channel in the group Use the lt UP gt lt DOWN gt arrows buttons to select a chan nel then push SET to set the channel 7 9 6 Scan Band a Push lt SET gt to stop the scan band searching The unit will sort the result and display the top 20 clear frequencies
34. are including portions thereof or the written materials is expressly forbidden c You understand that the Company may update or revise the Software and in so doing incurs no obliga tion to furnish such updates to you Limited Warranty The company does not warrant that the operation of the Software will meet your re quirements or operate free from error The company DISCLAIMS ALL OTHER WARRANTIES AND CONDITIONS EITHER EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MER CHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT OR THIRD PARTY RIGHTS Limited Liability The liability of the company for any claims arising out of this License based upon the Software regardless of the form of action shall not exceed the greater of the license fee for the Software or 50 15 1 15 2 Blank ALP 600 480 800 MHz Bi Directional Log Periodic Antenna In cludes mounting hardware and 10 feet 3 meters of coaxial cable with TNC Connectors y ALP 450 450 900 MHz Log Periodic Antenna Includes mounting hardware and 10 feet 3 meters coaxial cable with TNC con nectors Order No 71147000 Antenna Cables Special low loss antenna cables with TNC Connectors Model No Length Order No CXU 2 2 Ft 7 meter 691459 8 CXU 10 10 Ft 3 meter 690419 CXU 25 25 Ft 7 6 meter 71151 025 CXU 50 50 Ft 15 meter 71151 050 CXU 75 75 Ft 23 meter 71151 075 CXU 100 100 Ft 30 meter 71151
35. ation then two software menu functions in the beltpack determines if that beltpack will follow the base to the new frequencies or staty where it is currently One option is called Auto Programming the other option is Transmit Power The beltpack auto programming must be set to ON and the Transmit Power set to Auto for automatic frequency pro gramming of the beltpack to occur More detail on these two options may be found in the TR 1 Operation section ofthe manual Changing Groups Channels Frequeneies 1 From the status screen hit MENU once to arrive at the security code system settings intercom settings RF meter menu screen 2 Select the system settings menu with the lt UP gt lt DOWN gt arrow buttons and press lt SET gt to go to the base station settings sub menu 3 Select the Frequency settings menu with the lt UP gt lt DOWN gt arrow buttons and press lt SET gt to go the Groups Channels Frequencies set screen 4 The group will be flashing Set desired groups by us ing the lt UP gt lt DOWN gt arrow buttons then press lt SET gt to go to the transmit channel 5 The transmit channel will be flashing Set the channel by using the lt UP gt lt DOWN gt arrow buttons then press lt SET gt to go to the receive channel 6 The receive channel will be flashing Set the channel by using the lt UP gt lt DOWN gt arrow buttons then pressing SET to end editing in factory defined groups
36. ations Receiver jo ce Ic uL E Dual Conversion Superheterodyne Synthesized 720 channels RE Setslivilys2 odes ite edi dais 0 8 for 12 dB SINAD IF Selecttvityzs ca suis abe ease ah RD nd buna oma D CUP qbus 3 dB at 230 kHz Image Rejecti n ec oe heheh ee een 70 dB or better RF Frequency Stability een 0 005 fc yas e MEME lt 1 at peak level S N Ratio in From wired Intercom 80 dB 30kHz Low Pass Filtered 4 2 Unpacking Section 3 Initial Equipment Set Up Unpack your RadioCom system Below are the items that should come with your base station and each belt pack Con tact the shipper or your dealer immediately if anything is dam aged or missing BTR 1 Quantity Description 1 BTR 1 Base Station 1 Operating Instructions 1 In Line Power Supply 2 Antennas one Transmit one Receive 1 Limited Warranty Sheet 4 Rubber Feet 1 Gain Adjust Plastic Screwdriver 1 Two Terminal Plug for Relay 2 Large Phillips Pan head Screw for Rack Mounting 2 Small Phillips Flathead Screw for rack Mounting Single Unit Rack Mount Bracket 1 Dual Units Side by Side Middle Rack Mount Bracket 1 Rack Mount Side Bracket 1 Interconnect Cable 15 pin to 15 pin TR 1 Quantity Description 1 TR 1 Beltpack with Antennas 1 Instruction Card 1 Batte
37. b Use the lt UP gt lt DOWN gt arrows to select a fre quency then push SET c The receive frequency is placed in user group 63u NOTE The transmit frequency will not be in group 63u The frequency to enter for transmit would be the result a base station scan band Lock Out This function allows the user to lock the top panel and menu options The talk button and A B and C presets button will still work but the C and talk button mode can not be changed Likewise the values and screen in the beltpack can be viewed but not changed Enabling Disabling Lock Out 1 Press and hold the lt UP gt and DOWN buttons for three seconds The word SECURE will appear on the screen when lock out is active 2 Press and hold the and button for three seconds again to disable lock out The work ACCESS will appear Ist Use This function sets the beltpack to Group 1 channels A and 1 and leaves any user defined groups in memory It will set unit to factory defined menu settings It will also set the Talk and C button to their default modes Activating 1 Use 1 Press and hold the MENU button as powering up the beltpack Factory Reset This function sets the beltpack to Group 1 channels A and 1 and ERASES any user defined groups in memory It will set unit to factory defined menu settings It will also set the Talk and C button to their default modes Activating 1 Use 1 Press and hold the MENU
38. be too low FEEDBACK Moving around area of use produces squeal or howl in various locations using ext speakers Reduce the gain settings on both the beltpacks and the base station They may be too high If in the 2W Mode the inter com channel you are on maybe unloaded DROPOUTS When moving around the area of use there seems to be locations where the signal swooshes or com pletely disappears Make sure both antennas on the base station and beltpack are connected and follow the location suggestions Change the location of the base station and antennas or avoid the bad areas with the beltpacks NO AUDIO from BASE STATION or BELTPACK head sets Check talk LED to make sure is is on Make sure beltpack batteries are OK Make sure the base station and the beltpack serial number and encryption codes all match 11 2 Blank Improper battery selection use installation and care are the cause of numerous wireless system failures Alkaline Batteries Alkaline batteries such as Mallory s DURACELL or Eveready s ENERGIZER provide the most reliable operation in wireless transceivers The use of low cost carbon zinc batteries is NOT recom mended Nickel Metal Hydride Batteries These batteries can save you money in the long run as they can be recharged Typical battery life is about 90 of the length of time alkaline batter les last Cold Temperatures and Batteries The batte
39. e Battery Pack A A au 301778100 301778101 Beltpack s 1 4 wave antenna Part No Color Dot Frequency 879220 1 Violet 425 485 MHz 879220 2 Black 485 556 MHz 879220 3 Yellow 556 636 MHz 879220 4 Green 636 726 MHz 879220 5 Red 726 826 MHz 16 2 Blank TELEX TELEX COMMUNICATIONS INC e 12000 Portland Ave South Burnsville MN 55337 PN 803959 REV B March 2005 Made in U S A
40. een may be changed to an alternate display by The number of the base station can also be set from 1 to pressing lt MENU gt for 3 seconds The alternate display shows 10 In a system of base stations managed by a frequency the base name and number in double wide and double tall manager the base number must be set to a unique number characters It also indicates the system s band and frequencies because this is how the frequency manager identifies the in normal characters Pressing MENU for 3 seconds again base station will revert back to the main status screen BEERS MA SP g mY LE u Der Changing the Base Name and Number Encryption Code 1 From the status screen hit lt MENU gt once to arrive at the security code system settings intercom set The base station has a four digit hexadecimal encryption tings RF meter menu screen code that can be set by the user It must match the code at the beltpack in order for communication between the beltpack and base station to occur 2 Select the system settings menu with the lt UP gt lt DOWN gt arrow buttons and press SET to go to base setting sub menu m S 3 Select the base name and number menu with the Security Code lt UP gt lt DOWN gt arrow buttons and press SET to go to the base name and number set screen 4 The first name position will be flashing Set the alpha numeric character by using the lt UP gt lt DOWN gt arrow buttons then pr
41. equency Manager The Frequency Manager then can be use to set all the base stations to a frequency plan plus set a variety of other options on the base station The base stations then can program their beltpacks via an over the air link Thus a whole system can be set up with only a few button presses at the frequency manager Each frequency manager can control up to 10 base station The CAN bus cable starts at the Frequency Manager and then proceeds to the first base station From the first base station the CAN bus daily chains though all the base stations stop ping finally at the Frequency Manager Both base station RJ 45 CAN bus connectors are wired in parallel so it does not matter which jack is used for the input or output cable See Figure 6 6 below for a sample routing of the CAN bus cable NOTE For clarity the power interconnect and TX RX ca bles are not shown in the figure Figure 6 6 CAN Bus Cables Relay A software selectable relay closure is available at the base sta tion The relay is normally open However the base station software options can be set so the relay closes when the beltpack s C button is pushed The relay schematic is shown in Figure 6 7 PIN 1 Aly pina Figure 6 7 Relay Schematic A Phoenix type c
42. essing lt SET gt to go to the next posi tion Up to 10 characters may be set Changing the Encryption Code 5 After the alphanumeric characters are set the screen proceeds to the number selection Select the number menu with the lt UP gt lt DOWN gt arrow buttons and press lt SET gt to set it 1 From the status screen hit lt MENU gt once to arrive at the security code system settings intercom set tings RF meter menu screen 2 Select the security code menu with the lt UP gt lt DOWN gt arrow buttons and press SET to go to the security code screen 6 After the number is set press MENU to go back to the status screen or press lt SET gt again to begin the process over again 3 The first code position will be flashing Set the digit by using the lt UP gt lt DOWN gt arrow buttons then press ing lt SET gt to go to the next code position Base Main Settings 4 After the last code position is set press lt MENU gt to go This important screen enables the user to set the wired in back to the status screen or press lt SET gt to begin edit tercom type connected to the system the auxiliary input ing again type the transmitter power BP Off Mode and the base station and beltpack side tone levels System Settings The systems settings allows a number of base station charac teristics to be set This includes base name base number in tercom type aux type base TX power BP off mode sidetone and
43. for 3 seconds to lock or unlock the base station A padlock will appear on the status and alternate screens if the base is locked This function locks out a user from changing any options at the base station Copy Press and hold the lt SET gt DOWN buttons for 3 seconds and the following screen will appear m mm EN 4 m Special Button Functions Factory Defaults Press and hold MENU SET lt DOWN gt for 3 Sec onds A screen displaying Factory Defaults will then ap pear This function sets the base station to Groupl channels A and 1 and ERASES any user defined groups in memory It will also set the unit to factory defined parameters 1st Use Defaults Press and hold lt MENU gt while turning on the base station A screen displaying Factory Defaults will then appear This function sets the base station to Group 1 channels A and 1 and RETAINS any user defined groups in memory It will also set the unit to factory defined parameters Alternate Screen Press and hold lt MENU gt for 3 seconds to toggle between the alternate screen and the status screen The alternate screen is shown below 6 10 This allows the user to select a user group to copy the current group to Now the user could edit that group slightly if de sired Display Start up Screen Press and hold lt DOWN gt lt TALK gt for 3 seconds This function allows the user to check the software and chan nel ma
44. frequencies Name and Number The name of the base station may be set to any 10 digit al phanumeric character For example in a football situation the name of the coach may be entered This provides an easy identifier to the user as to who s base station it is 6 6 Intercom Type The base station has the ability to interface to a variety of wired intercom systems These include Telex AudioCom RTS 2W ClearCom Four Wire Systems and others Auxiliary Line The auxiliary line may be set to local or global Local Any audio placed into the auxiliary input port is routed only to the base station s local headset and beltpack Global Any audio placed into the auxiliary input port is routed not only to the base station s local headset and beltpack but also to any wired system connected to the base station Base TX Power The base station transmit power can be set to two posi tions NORM The transmit power is about 10 dB below maximum power This is 5 mW typically HI The transmit power is at full power This is 50 mW typically BP Off Mode This option sets the base station s wired connectivity when the beltpack is off out of communications range or in Push to Tx mode with the talk button OFF MUTE ICs The base station drops connectivity to any wired intercom connected to it after 1 second of no communications from a beltpack LAST IC The base station maintains connectivity to the wired interc
45. groups channels are changed the beltpack will automatically follow If the beltpack s frequencies are changed over the air the beltpack will place those frequencies in group 64u and go to group 64u Auto frequency programming via the base station changing frequencies only will occur at the beltpack if the following is set Beltpack already in communication with the base station beltpack auto programming set to on and beltpack transmit power set to auto Enabling Disabling Auto Programming 1 In any of the beltpack main screens press and hold UP the button for 3 seconds The following screen will appear 2 The auto programming option will also begin flashing 3 Use the lt UP gt lt DOWN gt arrow buttons to turn the op tion on or off 4 Push lt SET gt to accept the change The display will now return to the main screen Software Channel Map Version The software and channel maps of the beltpack may be dis played from any of the main beltpack screens 7 8 Viewing the Software and Channel Maps Ver sion 1 In any of the beltpack main screens press and hold the DOWN button for 3 seconds The following screen containing the software version will appear 2 As long as the DOWN button is pressed the soft ware version in the beltpack will be displayed 3 When the button is released the following two channel map screens will be displayed for a second each 4 The first screen indicates the recei
46. h can result in noise or loss of RF signal at the base station Keeping the distance from the base station and beltpack as short and unobstructed as possible will produce the most reli able performance The base station is supplied with two antennas This should provide satisfactory system performance in most applications System range can be enhanced by remoting the 1 2 wave an tennas 2 Placing the BTR on top ofa shelf or equipment rack un obstructed without remoting the antennas is OK 1 Placing BTRs in a shelf or equipment rack and using re mote antennas is OK d HH MEL HH 39 9 9 S9 S 6660 606060 60 Radiocom 9 101 BE a BC BE EE eje eje ele e Figure 5 11 Antenna Placement 5 5 Placing BTRs in a shelf or equipment rack with the an tennas mounted on the back of the BTR or the side of the rack is BAD nnn 58
47. hbutton Press to enable the base station C presets Momentary Latching Selectable Modes Quarterback Button C Off Push to Talk Latching Talk 8 C Button Light C light is on if C pushbutton ac tive Controls and Connections Rear Panel Figure 3 2 TR 1 Rear Panel Connector Antennas Telex Units 4 Headphone 1 Microphone Shield X X Low 9 MENU and SET buttons Used to select menus and o set options on the LCD N Headphone 2 Microphone Audio High 10 LCD Liquid Crystal Display 11 UP and DOWN buttons Used to select beltpack op 1 Microphone RTS Units tions on the LCD Shield 2 Microphone Audio 12 Push to Talk Push to Transmit Switch Push to Talk PT TALK The transmitter is always e on No audio is sent unless the talk button is active SL 4 Headphone 3 Headphone Recommended position Low High Push to Transmit PT TX The transmitter and au dio paths are off except when the talk button is active 1 Microphone Shield 2 Microphone 13 Headset Connector Male XLR connector for Telex X Audio units Female XLR connector for RTS units ee N 3 Headphone e 9 y High 14 Battery Latch Press down to enable the battery pack to be released While the latch is held down slide the battery pack about 1 8 inch back toward the latch u
48. iary Input peka A uoluit ei un Level Adjustable 2 Vrms typical Auxiliary Output e ERR Rete anna Level Adjustable 2 Vrms typical into 600 2 Microphone sita id as ber kb 10mV 200Q Source Local Headset 21 200mW output into 150Q 1 Distortion Mute of Wire Income 100 dB 30kHz Low Pass Filtered Transmitter db Er Synthesized Transmitter 720 channels Ttansmit Power eek abor eredi 50mW typical High 5 mW typical Normal Modulation Type I i A ea lr e ua De lin Dis hielt bes GMSK D viationis zx A A Dass ee yaway waya Complies with FCC 74 861 RE Frequency Stability A A ERREUR a aa 0 005 Radiated Harmonics amp Spurious 1 Exceeds FCC specifications Receiver arene medie ge er ia ech dus Dual Conversion Superheterodyne 720 channels each RE Sensitivity iu tog ee ei lt 0 8 uV for 12 dB SINAD IF Selectivity 4 0 0 2 Sacre a ee 3 dB at 230 kHz Image Rejection vhs Mose aides pur erased ee ee 70 dB or better RE Frequency Stability oct ep need ne ende be Seb e 0 005 o ea see Soule Baik me Eae Rest lt 1 at peak level S N Ratio out to wired Intercom Ports
49. ies and Replacement Parts 16 1 li Section 1 Introduction General Description The Telex RadioCom BTR 1 UHF wireless intercom sys tems 1s the ultimate in reliable high performance encrypted full duplex communications The BTR 1 system includes the BTR 1 frequency agile base station and a TR 1 frequency agile beltpack The BTR 1 system provides full duplex encrypted digital communication The base station provides the beltpack with access to a six in tercom port matrix of 2 wire systems or communication to a 4 wire intercom system The system can interface with Audiocom Telex RTS amp TW Clear Com 2 wire inter com systems as well as 4 wire communication systems In addition to the 2 and 4 wire intercom systems the base sta tion provides connections for auxiliary balanced audio input and output as well as relay closure and the ability for using one of the six intercom lines as a wireless only communication intercom The system is also perfectly suited for stand alone operation The BTR 1 has been designed for reliable efficient operation Operating in the 482 to 746 MHz range The unit has ex pansion ability to add dozens of base stations to create a sys tem The high efficiency beltpack provides up to 9 hours of uninterrupted operation using standard alkaline batteries System Features Frequency agile base station and beltpacks No external computer device required to select frequen cies
50. ine type will be flashing Set local or global by using the lt UP gt lt DOWN gt arrow buttons then press lt SET gt to go to the base station Tx options The Tx option will be flashing Set Norm or High by using the lt UP gt lt DOWN gt arrow buttons then press lt SET gt to go to the beltpack off mode option The beltpack OFF mode will be flashing Set the de sired mode by using the lt UP gt lt DOWN gt arrow but tons then press lt SET gt to go to the set sidetone levels option The screen will change to a BTR and TR side level op tions screen Set the BTR side level by using the lt UP gt lt DOWN gt arrow buttons then press lt SET gt to go on to the TR sidetone level After the TR sidetone is set press lt MENU gt twice to go back to the status screen or press lt SET gt again to begin the editing of the base main setting again Frequency Settings The group and channels of factory defined groups may be changed in this screen However factory defined fre quencies cannot be changed User defined groups and channels may be defined in this screen too The user de fined frequencies can be changed by the user E P En 1 Whenever the group channels or frequencies are changed at the base it will display the following screen This will occur regardless of a beltpack communication to the base station or not It is a broadcast type of message If a beltpack is communication with the base st
51. k is set at the base station Please see BTR 1 Operation section for how to set this level Antenna Connection The beltpack comes with two detachable screw type wave antennas Attach the two antennas by screwing the antennas into the receptacles at the bottom of the beltpack The color dot on the screw end of the antenna must match the color dot on the antenna receptacle TR 1 Top Panel BATT O M LIGHT ON OFF amp VOLUME CONTROL TALK LIGHT C PUSHBUTTON C BUTTON LIGHT A AND B LIGHTS TALK BUTTON SELECTION SWITCH Figure 7 4 TR 1 Top Panel Controls On Off Volume Control Turn control clockwise to turn the beltpack on and adjust the headphone volume BAT O M Light This light has two functions It indicates over modulation too strong of input audio and low battery Battery Light flashes on power up Battery OK Light on continuously Battery Low Light does not flash or come on Battery Dead Over modulation Light flashes on loudest speech Gain OK Light flashes on all speech Gain to high Light never flashes on loudest speech Gain to Low Talk Button Press to enable audio path from the headset microphone The talk light will activate when the talk button is active It has three software selectable modes that can be seen via the LCD display of the beltpack The mode of the talk button may be selected by pressing
52. n order to find the clear receive chan nels within that group The receive channel with the least amount of RF noise on it is listed at the far left lt UP gt ar row all the way to the left The next channel to the right has the next least amount of RF noise on it and so forth Channel that clearly have RF interference on them are in verted A possible result of a ClearScan Channels is shown be low a Interference found on the receive channel during the scan or no receive frequency in that receive channel posi tion After a channel is decided upon press lt SET gt to select that channel ClearScan Band This option continuously scans the whole receive band un til user intervention The scan starts at the beginning of the band then checks and records every 200kHz for the RF re ceived signal strength level Press lt SET gt to store the re sults in user group 63u Press lt MENU gt to bail out of the band scan without saving any results The results of the six clearest RF frequency areas are listed in the receive side of user group 63u Channel 1 is the best clearest frequency found channel 2 is the next best and so forth to channel 6 The alternate screen displays the base name and number in double wide double tall characters Up to ten character in the name can be displayed It also shows the bands of the unit and the currently set frequencies Lockout Press and hold the lt UP gt lt DOWN gt buttons
53. ntil it stops 5 4 Headphone then lift out Low 15 Receive and Transmit Antennas The antennas are screw Figure 3 3 type wave replaceable antennas The color dot on the Headset Jack Wiring screw end of the antenna must match color dot on antenna receptacle 3 2 Section 4 Specifications BTR 1 Specifications Overall RE Frequency Range u 482 608 MHz 614 746 MHz in 18 MHz TX and RX bands Power Requirements yu ne ne eg ane pisos 12 15 Volts AC DC 1 Amp Temperature Range ior epo ege Pe IK PEIPER eed wawaq duces was 4 F to 130 F 20 C to 55 C Dimensi ns ere CREER Fed pa RR 8 25 W x 1 72 H x 9 00 D 20 9 cm x 4 4 cm x 22 9 cm bor UULTUS 3 Ibs 8 oz 1 59 kg dan COMES Y Wave supplied TNC Male Connector RX ANtEnNa il used neuere Wave supplied TNC Male Connector PCC 19 Her PROPER C PED B5DM519 Frequency RESPONSE PER 100Hz 4 0kHz Four Wire Input esse pacer d or decet won kit Level Adjustable 2 Vrms typical Four Wire Output r ayu ps ae een Level Adjustable 2 Vrms typical Telex Intercom en ptem xcd ducet e Re ERES dats Input Output Level Adjustable 1 Vrms typical Line impedance 300 2 RES tro iii ettet dn Input Output Level Adjustable 0 775 Vrms typical Line Impedance 200 ClearComQ Intercom ciur onua eese Input Output Level Adjustable 1 Vrms typical Line Impedance 2002 Auxil
54. of the beltpack can be critical The antennas should be in the open Bending the antennas up and placing the beltpack in a pocket etc will reduce system distance It is suggested that the unit be worn on the belt or pocket with both antenna s vertical for best operating range and perfor mm nos Telex G RadioConr TRA Figure 5 7 Proper Dressing of the Antennas Keep the distance between the base station and the beltpacks as short as possible The greater the distance the weaker the signal Make sure the signal paths between the base station and beltpacks are unobstructed You should be able to visibly locate the base station antennas at all times for best perfor mance Figure 5 8 Distance Between base station and beltpack Figure 5 9 Keeping Site Clear to Antennas Attempting to operate the wireless intercom system through or around walls ceilings metal objects etc will reduce system range and performance Figure 5 10 Operating System Near Obstructions DO NOT mount the base station 1 2 wave antennas on or next to metal such as beams walls with metal studs equip ment racks etc This also applies to the antennas when assem bled directly to the Base Station This will detune the antennas whic
55. om s The base station remains on the last intercom channel s selected when not receiving communications from a beltpack BTN A The base station connect to the A button defined wired intercom s when not receiving commu nications from a beltpack BTN B The base station connects to the B button defined wired intercom s when not receiving commu nications from a beltpack BTN C The base station connects to the C button defined wired intercom and activates the C button options QB and or relay if active when not receiving communications from a beltpack 6 7 Sidetone Levels The sidetone is the amount of a user s own voice that is feed back to their headphones Both the beltpack and base station sidetone may be adjusted in the base main settings Changing the Intercom and Auxiliary types TX power and Sidetone l From the status screen hit lt MENU gt once to arrive at the security code system settings intercom set tings RF meter menu screen Select the system settings menu with the lt UP gt lt DOWN gt arrow buttons and press lt SET gt to go to the base station settings sub menu Select the base main settings menu with the lt UP gt lt DOWN gt arrow buttons and press lt SET gt to go the base station main settings set screen The intercom type will be flashing Set the type by us ing the lt UP gt lt DOWN gt arrow buttons then pressing lt SET gt to go to aux line options The aux l
56. onnector supplied plugs into the relay contact port on the base station This connector provides a screw type closure for an easy connection to wires PHOENIX lt TYPE d bo CONNECTOR rr Figure 6 8 Relay Contact Jack Adapter ON OFF SWITCH LCD DISPLAY PEAK INTERCOM TACK LIGHT LEVEL LIGHT HEADSET VOLUME ADJUST RadioCom BTR 1 ClearScan HEADSET CONNECTOR ser COPY a N MICROPHONE GAIN TALK BUTTON PEAK AUX LEVEL LIGHT Figure 6 9 Front Controls and Connector MENU AND SET UP AND DOWN BUTTONS BUTTONS CONTRAST ADJUST Local Headset The local base station headset always following the audio se lection of the beltpack It cannot be set to independently select intercom channels Volume Control Turn control clockwise to increase the headphone volume Talk Button Press to enable audio path from the headset microphone The talk light will activate when the talk button is active This light has two functions Green indicates activation of the talk button Red or flashing red on most speech indi cates overmodulation too strong of input audio Overmodulation Light flashes on loudest speech Gain OK Light flashes on all speech Gain too High Light never flashes on loud speech Gain too Low Microphone Gain The microphone gain of the base station s headset micro phone maybe
57. p version of the base station without rebooting the base On Off amp Volume Control BAT O M Light Talk Light Talk Button AandB Lights Selection Switch C Pushbutton C Button Light Section TR 1 Operation 9 MENU and SET Buttons 10 LCD Display 11 UP and DOWN Buttons 12 Push to Talk Push to Transmit Switch 13 Headset Connector 14 Battery Latch 15 Receive and Transmitter Antennas Figure 7 1 Controls and Connections Basic Operational Description The TR 1 is a full duplex simultaneous talk and listen beltpack that works in conjunction with a BTR 1 base station The beltpack allows a user via a headset attached to the beltpack to communicate with other wireless or wired users Other base stations and or wired intercom systems connect to the beltpack s base station The base station is what allows the audio path interconnecting for the beltpack audio The talk button on the beltpack turns the microphone input of the beltpack on or off The A B rocker switch and the C but ton select preset audio paths that are set up via the base sta tion For example the base station may be set up for A to route beltpack audio to and from wired intercom 1 B routes beltpack audio to and from wired intercom 2 and C to route audio to and from wired intercoms 1 and 2 plus active a relay System Quick Start 1 Ensure the base staton and
58. red this document carefully before using this product THIS DOCUMENT STATES THE TERMS AND CONDITIONS UPON WHICH TELEX COMMUNICA TIONS INC the COMPANY OFFERS TO LICENSE THE INSTALLED SOFTWARE OR PROGRAM the SOFTWARE FOR USE WITH THE PRODUCT IN WHICH IT WAS INSTALLED YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT DO NOT USE THIS PRODUCT PROMPTLY RETURN THE PRODUCT TO THE PLACE WHERE YOU OBTAINED IT FOR A FULL REFUND The installed software as supplied by the Company is licensed not sold to you for use only under the terms of this license and the Company reserves all rights not expressly granted to you You own the product or other media on or in which the Software is originally or subsequently recorded or fixed but the Company re tains ownership of all copies of the Software itself License This license allows you to use the Software for internal purposes only on a single product in which it was installed Restrictions a You may not market distribute or transfer copies of the Software to others or electroni cally transfer or duplicate the software YOU MAY NOT REVERSE ENGINEER DECOMPILE DIS ASSEMBLE MODIFY ADAPT TRANSLATE RENT LEASE OR LOAN THE SOFTWARE OR CREATE DERIVATIVE WORKS BASED ON THE SOFTWARE OR ANY ACCOMPANYING WRIT TEN MATERIALS b The Software and the accompanying written materials are copyrighted Unautho rized copying of the Softw
59. ry Pack 1 Limited Warranty Sheet 5 1 Rack Mounting The rack mounting brackets come with each BTR 1 These brackets may be used to mount a single base station in a 19 wide rack or mount two base stations side by side in a rack Figure 5 1 shows the three brackets that come with a base sta tion RACK MOUNT MIDDLE BRACKET SINGLE UNIT RACK MOUNT BRACKET Figure 5 1 Rack Mount Brackets Rack Mounting a Single Base Station l Remove the four pan head screws two on each side clos est to the front panel Place the double unit side bracket on the side of the base station you wish closest to the edge of the rack Replace the two pan head screws and use a third pan head screw 2 supplied with base station to screw into the up per middle location of the bracket Place the single unit rack mount bracket on the other side of the base station Replace the two pan head screws and the other pan head screw that came with the base to secure the bracket Screw the third screw into the upper middle hole of the bracket Use the rack mount screws not supplied to secure the unit to the rack NOT SUPPLIED Figure 5 2 Rack Mounting of a Single Unit 5 2 Rack Mounting Two Base Stations Side by Side k Remove the four pan head screws two on each side closes to the front panel Place the double unit side brackets on the sides of the base stations you wish closest to the edge of the rack
60. ry life times listed in this section are at room temper ature Alkaline and Nickel Metal Hydride batteries service hours falls off significantly at low temperatures due to battery chemistry Alkaline batteries typically have less than half their room temperature service life if used at freezing 32 F 0 C Due to the service hours reduction of Alkaline and Nickel Metal Hydride batteries at low temperature the user will need to change batteries more often Another solution is using Lithium AA cells if beltpacks are to be used in very cold temperatures Lithium batteries like the Energizer amp E Lithium AA cells are excellent batteries at cold temperatures At the temperatures of 15 F 9 C Lith ium AA cells will last about 7 times longer than Alkaline bat teries that equates to 2 hours for Alkaline vs 14 hours for Lithiums However the tradeoff is Lithiums cost more and are less friendly to the environment than alkalines 12 1 Section 12 Battery Information Battery Life TR 1 Alkaline 8 10 hours typical Nickel Metal Hydride 7 9 Hours typical WARNING Do not place an alkaline TR battery pack in any battery charger Severe charger and battery pack damage may result Energizer is a registered trademark of Union Carbide Corporation Duracell is a registered trademark of Duracell Inc 12 2 Blank RTS Call Signaling Send oen 20kHz 100 Hz 240 mVrms RECEIVES 20kHz 800 Hz
61. s 5 2 Rack Mo nting a Single Base Statio ors su sense EEG RI ULP RA ERA isn Pa an 5 2 Rack Mounting Two Base Stations Side by Side 5 2 Antenna Conneclon ccelis pon een ne ae 5 3 Antenna Polarization u u stab ec DRE a a hei 5 3 Distance Between Antennas uuu sen le bess a Dep be aac er de be de shew 5 3 Antenna Placement en nenne CP E REX ee ede acie ep receta 5 3 Section 6 BTR 1 Basic Operational Description Re RR ek een ne PL usa 6 1 System Quick St tte corset es ee Debut being mu etas 6 1 Interfacing to the BTR 1 uuu a en nE A RETE ipa Ce DECEDERE ed c Yu 6 3 TX RX Antennas L l uu rese mtem V RUD ERI IHESU EV qd ee E ute ER Eae opea 6 3 2W Intercom Ports dicen EEUU Rp RE E uA RR ARE ata b xus Ede RS 6 3 ZW Intercom Port us vestit yes endet pietate Deut oie To a o re 6 4 Auxiliary Port nee aueh bp eI REPE PPP Ra deber REPE Deren 6 4 CAN np De a pasya kuna gi et 6 4 A ec ke EA ce ee ee ee E 6 4 Local Headsets yuqa diene ehe Brennen bs E sas 6 5 Powering the Base Station ici eeii ne DER a CRI CC REN ea CH RECEN E e E 6 5 SCAM AUD ME 6 5 AUS SCHOEN ee LE 6 5 Encryption Code ee aep er
62. tion with a AudioCom power supply on intercoms 1 and 2 or place a load on intercoms 1 and 2 6 Press lt MENU gt as powering up the beltpack 7 Setthe encryption code on the base station 8 Set the encryption code on the beltpack to match the base station 9 Set the serial number of the base station in the beltpack 10 The base should now indicate a battery voltage indicat ing the base station and beltpack are communicating 11 Plug a headset into the base station and beltpack Ad just the microphone gain on both so the overmodulation light flashes only on the loudest ex pected speech level K A A 7 f O O A O ug 90 U U UD U UD 9 Q Q SPOTTER POSITION COACH DEFENSIVE COACH EXTRA 1 MAIN DEF 1 MAIN DEF 1 MAIN DEF 1 PRIVATE OF 2 PRIVATE DEF 2 PRIVATE DEF PRIVATE DEF PRIVATE DE AUDIOCOM POWER SUPPLY AUDIO CH 3 PRESS BOX INTERCOM ASSIGNMENT DISTRIBUTION PANEL ISR IAS 4 IL WA O i f Sch AUDIO CH 1 X 20 AUDIO AUDIOCH2 p gt CABLE SPOTTER POSITION COACH OFFENSIVE COACH x MAIN OFF MAIN OFF x MAIN OFF 2 PRIVATE OFF 2 PRIVATE OFF 2 PRIVATE OFF AUDIO CH 4 X X Y X X Y BTR 1 e Gier A BELTPACK POSI
63. ton A to yes sets all intercoms active for that button to yes setting it to no sets all intercom ports for no If aux input was set to Y then the user will be asked to set the auxiliary input and output levels Use the lt UP gt lt DOWN gt arrow buttons to adjust the input and output levels then press lt SET gt to accept the levels Press lt MENU gt once to go back to the status screen or press SET again to begin the editing of the screen again On the C button there are two more selectable op tions QB and RELAY If active these options are in normal characters if off the options are in inverted characters Use the lt UP gt lt DOWN gt arrow buttons to select the option then press SET to accept the op tion QB If active when the button C on the beltpack is pressed a 1000 Ohm path to ground is activated at pin 15 of the male and female D sub connector in the rear of the unit This can be used to active a PTT on some external radio systems Audio from the beltpack and local base station s headset is also available at pin 15 only when QB is active Relay If active when button C on the beltpack is pressed a relay closure is activated on the rear of the base station RF Meter This screen displays a larger version of the 5 bars of received signal strength displayed on the status screen It also displays the receive frequency Changing to the RF Meter Screen 1 From the status screen hit
64. ve channel map in the beltpack The second screen indicates the transmit channel map The above screens indicate that it is a A4 band beltpack 5 The screen will now revert back to the main screen ClearScan ClearScan allows the selection of RF clear channels in an area The beltpack ClearScan has three modes 1 Scan Groups The beltpack s receiver scans all the factory defined groups and any user defined groups that have been set The result is a list of the top 20 groups ranked in order of the most clear receive chan nels in that group The lt UP gt arrow all the way to the top is the group with the most clear channels 2 Scan within a Group The beltpack s receiver scans all the receive channels within a group The result is a list of the channels in that group ranked in order of best to worst channels The lt UP gt arrow all the way to the top is the channel that is the best 3 Scan Band The beltpack s receiver scans the entire band of frequencies continuously It starts at the begin ning of the receive band and checks the frequency ev ery 100 kHz until the end of the receive band then starts over The user must push lt SET gt to stop the scanning The 100 kHz step size is as close as is needed because the narrowest receive filters are 230 KHz wide This is why every 25 KHz is not scanned Entering ClearScan 1 Press and hold lt MENU gt lt SET gt for 3 seconds The following screen will
65. wo DB15 connectors used to loop 6 channels of intercom audio thru a base station Intercom Jacks XLR intercom jacks to allow interfacing to the first four intercom ports via XLR connectors in ad dition to them being available at the DB15 connectors Power Connector Input power jack that requires 12 to 15 Volts AC or DC at 1000 mA Transmit Antenna Connector TNC Female connector The color dot near the connector must match the color of the antenna Section 3 TR 1 Beltpack Controls and Connections Top Panel 1 On Off amp Volume Control Turns the beltpack power on and controls headset volume 2 BAT O M Light Figure 3 1 TR 1 Top Panel Battery Light flashes on power up Battery OK Light on continuously Battery Low Light does not flash or come on Battery Dead Overmodulation Light flashes on loudest speech Gain OK Light flashes on all speech Gain too high Light never flashes on loudest speech Gain too Low 3 Talk Light LED is on when the talk button is active 4 Talk button Press to enable the audio path from the headset Selectable Modes Push to Talk TALK Push to Latch Off 3 1 5 Aand B Lights A light is on if selection switch in A position B light is on if selection switch in B position 6 Selection Switch Switches between base station presets A or B 7 C Pus

Telex RADIOCOM TR-1 User's Manual

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