Telex TR-825 dimensions BTR-800 Specifications, Overall

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BTR-800

Specifications

Overall

RF Frequency Range . . . . . . . . . . . . . . . . . . . . . . 470 - 608 MHz, 614 - 740 MHz in 18 MHz TX and RX bands Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100-240 VAC, 50-60 Hz, IEC receptacle Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4° F to 130° F (-20° C to 55° C) Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19.00” W x 1.72” H x 14.00” D (48.3 cm x 4.4 cm x 35.6 cm) Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 lbs 2 oz (3.24 kg) TX Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 Wave (supplied), TNC Male Connector RX Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 Wave (supplied), TNC Male Connector FCC ID: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B5DM514 Frequency Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300Hz-8kHz Four Wire Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level Adjustable (2 Vrms typical) Four Wire Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level Adjustable (2 Vrms typical) Telex Intercom. . . . . . . . . . . . . . . . . . . . Input/Output Level Adjustable (1 Vrms typical), Line impedance 300W RTS Intercom . . . . . . . . . . . . . . . . . Input/Output Level Adjustable (0.775 Vrms typical), Line Impedance 200W Clear-Com® Intercom . . . . . . . . . . . . . Input/Output Level Adjustable (1 Vrms typical), Line Impedance 200W Auxiliary Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjustable (2 Vrms typical) Auxiliary Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjustable (2 Vrms typical into 600W) Stage Announce Output . . . . . . . . . . . . . . . . Internally Adjustable (2 Vrms typical at rated deviation into 600W) Stage Announce Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dry contact, rated at 1 Amp, 24V Max Microphone input sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9mV Local Headset Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mW output into 600W (1% Distortion)

Transmitter

Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Two Synthesized Transmitters, 712 channels each Transmit Power (each transmitter). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW Max. (High), 10 mW (Normal) Modulation Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM Deviation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 kHz (35 kHz Europe) RF Frequency Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.005% Modulation Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peak-Responding Compressor Radiated Harmonics & Spurious . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exceeds FCC specifications

Receiver

Type. . . . . . . . . . Dual Conversion Superheterodyne, four Independent Synthesized IFs, FM, 712 channels each RF Sensitivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.8 µV for 12 dB SINAD Squelch Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dB SINAD IF Selectivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 dB at 230 kHz Image Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 dB or better Squelch Quieting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB RF Frequency Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.005% Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <1% at full deviation

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Contents JTN Telex Thank you for choosing RadioComTM Table of Contents Tech Tips Introduction System FeaturesGeneral Description BTR-800 Block Diagram WTA aControls and Connections Front Panel Local Headset WiringBTR-800 Base Station BTR-800 Front PanelControls and Connections Rear Panel BTR-800 Rear PanelBTR-800 Specifications OverallBlank Controls and Connections Top Panel TR-800 BeltpackTR-800 Top Panel Headset Jack Wiring TR-800 Rear Panel/Connector/AntennasPush-to-Talk/Push-to-Transmit Switch LCD Liquid Crystal DisplayTR-800 Specifications Blank TR-825 Beltpack Telex RAAudio + Audio a Switched Headphone Ground TR-825 Rear Panel/Connector/AntennasTR-825 Specifications Blank BTR-800 Initial Equipment Set-UpUnpacking TR-800, TR-825Antenna Polarization Antenna PlacementAntenna Connection Distance between AntennasOperating System Near Obstructions Distance Between base station and beltpackKeeping Site Clear to Antenna Antenna Placement Improving Reception and Increasing RangeBase Station Set-up Power ConnectionTransmit Switches LocationInternal Transmit Switches Internal Transmit SwitchesIntercom Switch RJ-11 Type/ Four-wire PinoutRTS Distribution Panel TW5W Example Interface to an RTS TW SystemDual Listen Functionality Parts to be Removed by User to Enable Dual ListenAudio Board Part Number and Dual Listen Component Locations Auxiliary Input Routing Switch Internal Auxiliary Input Routing SwitchAuxiliary Input/Output Relay Contact Jack Adapter Screw Terminal Adapter Relay Output SchematicStage Announce / Relay Contacts Internal Stage Announce Level ControlTwo Stand Alone Base Stations Connected Together Base Station LinkBase Station Link Cable Battery Installation Beltpack Set-up Battery InstallationCharger and battery pack damage May resultTR-800 and TR-825 Rear Panel Transmit modeHeadset Connection Push-to-Talk PT Talk Recommended positionBlank Pre-Walk-Thru Checklist Blank System Quick Start System OperationFrequency Plan Overview Factory-Defined GroupsLocal Headset PowerBase Station Operation Intercom a and BDisplay Contrast LCD ContrastBTR-800 Menu Structure Main Screen Flowchart Operating Screen Power-Up ScreenBeltpack Activity Code Definitions UP / Down Group / Channel SelectSET Last Rx Changed Group / Frequency Select Frequency Edit User-Programmed Groups OnlyClearScanTM ClearScanSpecial Key Sequences Lockout 1st Use DefaultFactory Default CopyBeltpack Operation TR-800 and TR-825 Top and Rear PanelBeltpack Feature Enable/Disable Menus TR-800 Menu Structure Beltpack Menu StructureTR-800 Menu Structure Power-Up Screens Power-Up ScreensTR-800 Menu Structure Group / Channel Screen Group / Channel ScreenTR-800 Menu Structure Transmit Screen Transmit ScreenTR-800 Menu Structure Receive 1 Screen Receive 1 ScreenTR-800 Menu Structure Receive 2 Screen Receive 2 ScreenTR-800 Menu Structure ClearScan ClearScanTR-800 Menu Structure Stage Announce Enable/Disable Wireless Talk Around Enable/DisableTR-800 Menu Structure Audio Channel a or B Disable/Enable Talk Button Latch on/Latch offTR-800 Menu Structure Special Key Sequences Lockout 04A Scn TR-825 Menu Structure Beltpack Menu StructureTR-825 Menu Structure Power-Up Screens TR-825 Menu Structure Group / Channel Screen 704.700 TR-825 Menu Structure Transmit ScreenTR-825 Menu Structure Receive 1 Screen TR-825 Menu Structure Receive 2 Screen Ab SEP TR-825 Menu Structure Audio Output04b TR-825 Menu Structure ClearScanTMTR-825 Menu Structure Stage Announce Enable/Disable SA onTR-825 Menu Structure Wireless Talk Around TA bTR-825 Menu Structure Audio Channel a Options Audio Channel a OptionsTR-825 Menu Structure Audio Channel B Options Hold SET and Press B Continue to Hold SET Press B AgainTR-825 Menu Structure Special Key Sequences Lockout System Walk-Thru Blank Troubleshooting Problem SolutionBlank Tech Tips Microphone Gain AdjustmentFrequency Interaction Blank Battery Life TR-800 Battery InformationTR-825 Blank Intercom Systems Specifications CommonBlank Accessories and Replacement Parts Blank Software License End-User License Agreement for Telex SoftwareBlank Certification Information FCC LicensingEU Declaration of Conformity PN 803257-1 Rev. H March Made in U.S.A