Telex
BTR-300
operating instructions
JAN Made in U.S.A
Troubleshooting
Install
Block Diagram of System
Accessories
Battery Check
Adjusting Gain
Checklist
Antenna Placement
Local Headset Volume
Power Connection
Page 38
R
TELEX COMMUNICATIONS, INC. 12000 Portland Ave. South, Burnsville, MN 55337, U.S.A.
PN
803008-2
JAN 2001
Made in U.S.A
Page 37
Page 38
Image 38
Page 37
Page 38
Contents
Telex
Table of Contents
General Description
Block Diagram of System
Introduction
Page
Technical Information Specifications BTR-300
BTR-300 Base Station Transceiver
Features
Receive
Plug for Telex Unit
Portable Enable Switches and Indicators
Front Panel Refer to Figure
Crophone Gain
Page
Front Panel BTR-300
Rear Panel BTR-300
Technical Information Specifications TR-300
TR-300 BELT-PACK Transceiver
Plug for Telex Units
Jack for RTS Units Headset XLR Connector Wiring
Controls and Connections
External Controls, TR-300
Dynamic / Electret
Equipment SET-UP
BTR-300 SET-UP
Pin Wiring for Rear Panel Jacks
Internal Intercom Switches
Rack Mounting
Attaching Brackets for Rack Mounting
Antenna Connections
Attaching 5/8-wave Antenna Wave Antenna Assembly
Antenna Information
Remoting Antennas when Rack Mounted
FT 60cm Minimum distance FT 2m Or more Is best
Vertically Polarized Antennas
Antenna Placement
Antenna Polarization
Proper Dressing of the Antennas
BTR-300 Antenna Placement
Operating System Near Obstructions
Local Headset Connection
Headset Microphone Select Switch
Transmit Switch
Interconnection to a HARD-WIRED Intercom System
Typical Interface to Wired System
Dummy Load
Connecting Auxiliary Audio SYS- TEM
Power Connection
TR-300 SET-UP
DYNAMIC/ELECTRET Switch
Battery Installation
Headset Connection
PRE-WALK-THRU Checklist
Push to TALK/LOCK-TO-TALK Switch
Power
Local Headset Volume
System Operation
Headset Volume
Battery Check
Low Battery/ Overmodulation Talk Indicator Lights
TR-300 Operation
Enabling Audio
Intercom Switch
Enable Switches
Portable Transceivers
BTR-300 Base Station
Setting System Gain Levels
Adjusting Gain
TR-300 Portable
Auxiliary Gain controls
System WALK-THRU
Intercom Gain
Auxiliary Gain
Troubleshooting
Problem Solution
BC-300NM1 Battery Charger
Battery Information
BC-300NM1 Battery Charger
General
BC-300NM2 Battery Charger
BC-300NM2 Battery Charger
Accessories
Customer Service Information
FCC Information
JAN Made in U.S.A
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