Telex operating instructions BTR-500/600C Specifications, Auxiliary Jack

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9.& 10. Loop Thru I/C - 9 pin D-sub jack. Wired as shown.

11.See #8.

12.Auxiliary Jack - 6 pin RJ-11 telephone type jack. Com- patible with “RTS Matrix” type intercoms.

PIN 6 5 4 3 2 1

13.Power Jack - 12-15 VDC, 400mA minimum or 12-15 VAC rms, 400mA rms minimum. Accepts 5.5 mm x 2.1 mm plug.

14.Receive Channel Switch - Changes frequency of receiver (shown on Serial No. Tag). Must match transmit channel on beltpack.

13.Receive Antenna Jack - Color band on antenna must match color dot on base station. Female “TNC” Connec- tor.

NC

NC

AUDIO IN -

AUDIO IN +

AUDIO OUT -

AUDIO OUT +

Figure 6

Auxiliary Jack

BTR-500/600C

Specifications

RF Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mW maximum, 25mW typical Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4°F to 130°F (-20°C to 55°C) Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.25"W x 1.75"H x 11.25"D (21cm x 4.5cm x25.6cm) Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 lbs. (1.8kg) Modulation Type

BTR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NFSK BTR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM

Deviation

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

Frequency Response

BTR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300-4500 Hz BTR-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 and 614 to 760 MHz

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

BTR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 KHz at -3dB BTR-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

BTR-600C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal, 3.0 ￿V BTR-500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal, 1.5 ￿V FCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transmit, Part 74 Receive, Verification, Part 15 FCC ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B5DM503 (BTR-600C), B5DM505 (BTR-500)

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Contents Telex Table of Contents Customer Service Information FCC Information Introduction System FeaturesGeneral Description Front Panel Controls and Connections Base Station TransceiverControls and Connections Rear Panel BTR-600C Intercom 1 and 2 Jacks Switch set to TelexIntercom 1 and 2 Jacks Switch set to RTS Base StationAuxiliary Jack BTR-500/600C SpecificationsBeltpack Headset Jack WiringControls and Connections Beltpack Specifications Quantity Descripton Initial Equipment Set-UpUnpacking Antenna ConnectionAntenna Polarization Antenna PlacementDistance between Antennas Operating System Near Obstructions Distance Between base station BeltpackKeeping Site Clear to Antenna Improving Reception and Increasing Range Antenna PlacementRack Mounting RF Transmit/Receive Channel SwitchesBase Station Set-Up LocationIntercom Type Switch RF Transmit Mode SwitchDual Listen Switches Auxiliary Switch Audio Channel SwitchTelex IN/OUT Switch Auxiliary to I/C Switch Program AudioAuxiliary to I/C Switch Interconnection to a Hard-Wired Intercom SystemConnecting 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 PS15Auxiliary Audio Connection Power ConnectionDummy Load Beltpack Set-Up Code Switch TR-600C OnlyConnecting Headset RF Channel Switches and RF Transmit ModeBattery Installation Battery InstallationPre-Walk-Thru Checklist System Operation PowerPush-to-Talk/Lock-to-Talk Switch Local Headset VolumeSidetone Level Dual Listen LevelIntercom Level Auxiliary LevelPush-to-Talk/Lock-to-Talk Power/Local Headset VolumeBattery Check Beltpack OperationSidetone 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 SystemSingle Beltpack to Single Beltpack System Beltpack to Beltpack SystemExample of a TR-500 System used at a Publishing Firm System Walk-Thru Troubleshooting Tech Tips Codes Settings and the BTR600CFrequency Interaction Intercom Systems Specifications Battery InformationAccessories and Replacement Parts Customer Service Information FCC Information JAN Made in U.S.A