Telex BTR-300 operating instructions Antenna Information, Antenna Connections

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ANTENNA INFORMATION

ANTENNA CONNECTIONS

The BTR-300 is supplied with two (2) anten- nas. One 5/8-wave antenna for Transmit and one 5/8-wave antenna for Transmit and one 5/8-wave for Receive.

Assemble the 5/8-wave antenna by screwing the two sections together as shown in Figure

10.Both sections of the BTR-300 5/8-wave an- tennas must be used. Leaving off the top sec- tion will result in reduced range.

To insure that the frequency of the antennas match the receiver and transmitter of the BTR-300, match the color dot on the antenna with the color dot on the BTR-300

Attach the antennas to the antenna input re- ceptacles unless the BTR is rack mounted. Tighten the connector securely.

DO

DON’T

COLOR DOTS

Figure 10

Figure 11

Attaching 5/8-wave Antenna

5/8-wave Antenna Assembly

-16-

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Contents Telex Table of Contents Block Diagram of System IntroductionGeneral Description Page Technical Information Specifications BTR-300 BTR-300 Base Station TransceiverFeatures ReceivePlug for Telex Unit Portable Enable Switches and IndicatorsFront Panel Refer to Figure Crophone GainPage Front Panel BTR-300 Rear Panel BTR-300 Technical Information Specifications TR-300 TR-300 BELT-PACK TransceiverJack for RTS Units Headset XLR Connector Wiring Controls and ConnectionsPlug 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 MountingAttaching 5/8-wave Antenna Wave Antenna Assembly Antenna InformationAntenna Connections Remoting Antennas when Rack Mounted FT 60cm Minimum distance FT 2m Or more Is bestVertically Polarized Antennas Antenna PlacementAntenna Polarization Proper Dressing of the AntennasBTR-300 Antenna Placement Operating System Near ObstructionsHeadset Microphone Select Switch Transmit SwitchLocal Headset Connection Interconnection to a HARD-WIRED Intercom System Typical Interface to Wired SystemConnecting Auxiliary Audio SYS- TEM Power ConnectionDummy Load TR-300 SET-UP DYNAMIC/ELECTRET SwitchBattery Installation Headset ConnectionPRE-WALK-THRU Checklist Push to TALK/LOCK-TO-TALK Switch PowerLocal Headset Volume System OperationHeadset Volume Battery CheckLow Battery/ Overmodulation Talk Indicator Lights TR-300 OperationEnabling Audio Intercom SwitchEnable Switches Portable TransceiversBTR-300 Base Station Setting System Gain LevelsAdjusting Gain TR-300 PortableAuxiliary Gain controls System WALK-THRUIntercom Gain Auxiliary GainTroubleshooting Problem SolutionBC-300NM1 Battery Charger Battery InformationBC-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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