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-8-
PUSH
PUSH
Transmit
Antenna
Auxiliary
Audio Output
Auxiliary
Audio Input
Headset Mic
Dyn
Elt
Off
Remote
Cont
Loop Thru
Intercom
Intercom
Loop-Thru
Speaker
Power
AC/DC 12V
700 mA
Transmit
AUXILIARY OUTPUT CONNECTOR
AUXILIARY INPUT CONNECTOR
INTERCOM CONNECTORS
Receive
Antenna
Intercom
Loop-Thru
RECEIVE
ANTENNA CONNECTOR
POWER JACK
SPEAKER VOLUME CONTROL
SPEAKER / LOCAL MONITOR ( 8 MIN.)
TRANSMITTER SWITCH
HEADSET MIC SELECT SWITCH
TRANSMIT ANTENNA
CONNECTOR
ANTENNA
COLOR DOT
ANTENNA
COLOR DOT
Telex Communications Inc.
BTR-300
MADE IN U.S.A.
Volume
8
Figure 4
Rear Panel BTR-300