Telex BTR-300 operating instructions BC-300NM2 Battery Charger

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BC-300NM2 BATTERY CHARGER

NOTE: The BC-300NM2 is not supplied with the TR-300. See “Accessory” Section for or- dering information.

Remove the battery holder from the TR-300.

CAUTION

DO NOT ATTEMPT TO CHARGE ANY ALKALINE BATTERIES WITH THIS CHARGER.

Snap the terminal connector onto the battery holder and plug the charger into a 110 Volt outlet.

Full charge of the battery pack is obtained af- ter 12 to 14 hours. A full charge will last 15 -17 hours with nickel-metal hydride batteries.

Extensive over-charging may damage or de- stroy the batteries. Please ensure the charging time does not exceed 24 hours.

Unplug the charger when not in use.

Figure 38

BC-300NM2 Battery Charger

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Image 34

Contents Telex Table of Contents Introduction Block Diagram of SystemGeneral 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 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 bestVertically Polarized Antennas Antenna PlacementAntenna Polarization 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 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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