Telex BTR-500/600C operating instructions Beltpack Specifications

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Beltpack

Specifications

RF Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mW typical Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4°F to 130°F (-20°C to 55°C) Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4"W x 5 7/8"H x 1 5/8"D (120mm x 149mm x 41mm) Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 lb. 6 oz. (625g) with batteries Modulation Type

TR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NFSK TR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM

Deviation

TR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Complies with FCC 74.861e6 TR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±40 KHz

Frequency Response

TR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300-4500 Hz TR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300-8000 Hz RF Frequency Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.005% crystal controlled

Modulation Limiter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal Compressor Microphone input sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0-25 mV Radiated Harmonic and Spurious. . . . . . . . . . . . . . . . . . . . . . . . . Meets or exceeds FCC specifications Typically -45 dBC or better RF Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520 to 608 MHz and 614 to 760 MHz

Receiver sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Less than 0.5 uV for 12 dB SINAD. I.F. Bandwidth

TR-600C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 KHz at -3dB TR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 KHz at -3dB Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single Conversion Superhet, 10.7 MHz I.F. Image Rejection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 dB or better Audio Output, Headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 mW into 600 Ohms

Squelch

TR-600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal, 3.0 µV TR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal, 1.5 µV FCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmit, Part 74 Receive, Verification, Part 15 FCC ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B5DM506 (TR-500), B5DM504 (TR-600C)

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Contents Telex Table of Contents Customer Service Information FCC Information System Features IntroductionGeneral Description Front Panel Controls and Connections Base Station TransceiverIntercom 1 and 2 Jacks Switch set to RTS Intercom 1 and 2 Jacks Switch set to TelexBase Station Controls and Connections Rear Panel BTR-600CAuxiliary Jack BTR-500/600C SpecificationsHeadset Jack Wiring BeltpackControls and Connections Beltpack Specifications Unpacking Initial Equipment Set-UpAntenna Connection Quantity DescriptonAntenna Placement Antenna PolarizationDistance between Antennas Distance Between base station Beltpack Operating System Near ObstructionsKeeping Site Clear to Antenna Improving Reception and Increasing Range Antenna PlacementBase Station Set-Up RF Transmit/Receive Channel SwitchesLocation Rack MountingRF Transmit Mode Switch Intercom Type SwitchDual Listen Switches Telex IN/OUT Switch Audio Channel SwitchAuxiliary to I/C Switch Program Audio Auxiliary SwitchInterconnection to a Hard-Wired Intercom System Auxiliary to I/C SwitchConnecting Base Stations Together Intercom User Station US-2000A Program Speakers Example Interface to an Audiocom Telex Intercom SystemExample Interface to an RTS Intercom System Intercom Power Supply PS15Power Connection Auxiliary Audio ConnectionDummy Load Connecting Headset Code Switch TR-600C OnlyRF Channel Switches and RF Transmit Mode Beltpack Set-UpBattery Installation Battery InstallationPre-Walk-Thru Checklist Push-to-Talk/Lock-to-Talk Switch PowerLocal Headset Volume System OperationIntercom Level Dual Listen LevelAuxiliary Level Sidetone LevelBattery Check Power/Local Headset VolumeBeltpack Operation Push-to-Talk/Lock-to-TalkSidetone Level Control Microphone GainSingle Base Station Audiocom Telex System Example System ConfigurationsSingle Base Station RTS System Curtain Director RTS Power SupplyExample of Six BTR-500 RTS Systems used by a Production Unit Six Base Station RTS System= Beltpack Position 1 *2 = Beltpack Position Eight Base Station Telex SystemBeltpack to Beltpack System Single Beltpack to Single Beltpack SystemExample of a TR-500 System used at a Publishing Firm System Walk-Thru Troubleshooting Codes Settings and the BTR600C Tech TipsFrequency Interaction Intercom Systems Specifications Battery InformationAccessories and Replacement Parts Customer Service Information FCC Information JAN Made in U.S.A