Telex BTR-300 operating instructions

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The system operates on selected frequencies within the 150-216 MHz band.

The BTR-300 system is fully compatible with a number of other wired intercom manufactur- ers units. See the BTR-300 Setup Section for additional information.

The TR-300 Transceiver operates in the con- tinuous transmit mode with the audio acti- vated by a switch. As many as four TR-300 belt-pack transceivers can operate in a fully duplex network with one RadioCom Model BTR-300 Base Station.

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Contents Telex Table of Contents Introduction Block Diagram of SystemGeneral Description Page Technical Information Specifications BTR-300 BTR-300 Base Station TransceiverFeatures ReceivePortable Enable Switches and Indicators Front Panel Refer to FigurePlug for Telex Unit Crophone GainPage Front Panel BTR-300 Rear Panel BTR-300 Technical Information Specifications TR-300 TR-300 BELT-PACK TransceiverControls and Connections Jack for RTS Units Headset XLR Connector WiringPlug for Telex Units External Controls, TR-300 Dynamic / Electret Equipment SET-UP BTR-300 SET-UPPin Wiring for Rear Panel Jacks Internal Intercom SwitchesRack Mounting Attaching Brackets for Rack MountingAntenna Information Attaching 5/8-wave Antenna Wave Antenna AssemblyAntenna Connections Remoting Antennas when Rack Mounted FT 60cm Minimum distance FT 2m Or more Is bestAntenna Placement Antenna PolarizationVertically Polarized Antennas Proper Dressing of the AntennasBTR-300 Antenna Placement Operating System Near ObstructionsTransmit Switch Headset Microphone Select SwitchLocal Headset Connection Interconnection to a HARD-WIRED Intercom System Typical Interface to Wired SystemPower Connection Connecting Auxiliary Audio SYS- TEMDummy Load DYNAMIC/ELECTRET Switch Battery InstallationTR-300 SET-UP Headset ConnectionPRE-WALK-THRU Checklist Power Local Headset VolumePush to TALK/LOCK-TO-TALK Switch System OperationBattery Check Low Battery/ Overmodulation Talk Indicator LightsHeadset Volume TR-300 OperationIntercom Switch Enable SwitchesEnabling Audio Portable TransceiversSetting System Gain Levels Adjusting GainBTR-300 Base Station TR-300 PortableSystem WALK-THRU Intercom GainAuxiliary Gain controls Auxiliary GainTroubleshooting Problem SolutionBattery Information BC-300NM1 Battery ChargerBC-300NM1 Battery Charger GeneralBC-300NM2 Battery Charger BC-300NM2 Battery ChargerAccessories Customer Service Information FCC Information JAN Made in U.S.A
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