Rear Panel - Telex RadioCom BTR-200 II Operating Instructions Manual

Ext Intercom Switch, Level Control, and In-
dicator: This switch enables the wired inter-
com interface when "IN", and disables it when
"OUT". For RTS intercoms, the "IN" position
is channel A and the "OUT" position is chan-
nel B. A screwdriver adjustable control is pro-
vided to control the input level of the wired
intercom.
Auxiliary Audio Enable Switch, Level Con-
trol, and Indicator: The switch enables and
disables the Auxiliary interface when "IN" and
"OUT", respectively. The function of the level
control here is the same as that described for
the intercom.
REAR PANEL (Refer to Figure 4)
Transmit Antenna Connector: Connect
5/8-wave antenna (supplied) to this connector.
Antenna color should match connector dot on
BTR-200.
Receive Antenna Connector: Connect
5/8-wave antenna (supplied) to this connector.
Antenna color should match connector dot on
BTR-200. See "Antenna Information" section
for assembly information.
Transmit Switch: Slide switch that allows the
operator to select one of three transmit modes.
In the "OFF" position, the transmitter is always
off. This mode may be used if the base if func-
tioning solely as a monitor. In the "CONT" po-
sition, the transmitter is always on. This
continuous mode is recommended over the
"REMOTE" mode. In the "REMOTE" posi-
tion, the transmitter is enabled only when one
or more portables are active.
Headset Microphone Select Switch: This
switch allows the user to select either an
Electret or Dynamic microphone. This switch
is factory preset to DYN Position.
NOTE: All Telex headsets that are used with
this intercom are dynamic type microphones.
Intercom Connectors: Connections to inter-
face the BTR-200 with a wired intercom sys-
tem.
Auxiliary Output/Input Connectors: Can be
used for 2-way (four wire) input and output to
the BTR-200 or as a simplex input or output.
Typical uses are 4 wire low level intercom's,
tape recorders, public address inputs or out-
puts, or when operating two BTR-200 units si-
multaneously.
Power Jack: For external AC wall supply
adaptor (supplied) or any filtered 12 to 14
VDC/300 mA source, or 13.0 VAC RMS/300
mA source.
Speaker Jack: Allows the user to connect an
external speaker (8 ohms minimum) to the
unit.
Speaker Gain Control: Screwdriver adjust-
able. Adjust the gain control clockwise to in-
crease speaker gain or counterclockwise to
decrease speaker gain.
NOTE: Leave setting counterclockwise if no
speaker is attached.
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