Telex BTR-300 Connecting Auxiliary Audio SYS- TEM, Dummy Load, Power Connection

Page 24

Transmit

Antenna

Auxiliary

Audio Output

PUSH

 

 

 

PUSH

Auxiliary

 

Telex Communications Inc. Intercom

Audio Input

 

 

BTR-300

Loop Thru

 

 

 

Transmit

 

Headset Mic

 

 

 

Dyn

Elt

Cont

Off Remote

MADE IN U.S.A.

Intercom Loop-Thru

Receive

Antenna

 

Power

Volume

 

Speaker

AC/DC 12V

8

700 mA

DUMMY LOAD

(IF USED)

Transmit

Antenna

Auxiliary

Audio Output

PUSH

 

 

 

PUSH

Auxiliary

 

Telex Communications Inc. Intercom

Audio Input

 

 

BTR-300

Loop Thru

 

 

 

 

 

 

Transmit

 

Headset Mic

 

 

 

Dyn

Elt

Cont

Off Remote

MADE IN U.S.A.

Intercom Loop-Thru

Receive

Antenna

 

Power

Volume

 

Speaker

AC/DC 12V

8

700 mA

Figure 22

Connecting Two BTR-300’s

CONNECTING AUXILIARY AUDIO SYS- TEM

Connect the BTR-300 to your auxiliary audio via the Auxiliary input/output receptacles on the rear of the unit.

CONNECTING BTR-300’s

Connect the first BTR-300 to other BTR-300s by using short XLR type cables (not supplied) plugged into either of the intercom jacks. See Figure 22.

DUMMY LOAD

In the case where a wired intercom will not be used with the BTR-300, it is important that the dummy load (supplied) be installed. The dummy load should be plugged into the “In- tercom Loop-Thru” connector. See Figure 22.

NOTE: If the dummy load is not used an an- noying squeal may result that may cause dam- age to the ears.

Note that the stations need to be on different frequencies.

POWER CONNECTION

Insure the Power ON/OFF Switch on the front of the BTR-300 is in the “OFF” position. Con- nect the AC power supply cord to the BTR at the socket labeled “POWER”. Plug the power supply unit into an AC outlet.

-22-

BTR 300

POWER

AC/DC 12 OV 700mA

U

Figure 23

Connecting the Power Supply

Image 24
Contents Telex Table of Contents Block Diagram of System IntroductionGeneral 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 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 bestAntenna Placement Antenna PolarizationVertically Polarized Antennas 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 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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