Operating Instructions

Table Of Contents
FIGURE 32.
FIGURE 33.
TR-800 and TR-825 Rear Panel
BTR-800, TR-800, TR-825 Initial Equipment Setup 33
Antenna Connection
The beltpack comes with two detachable, screw-type, 1/4-wave
antennas. To attach the two antennas, screw into the receptacles
at the bottom of the beltpack. The color dot on the screw end of
the antenna must match the color dot on antenna receptacle. The
receive antenna screws into the left receptacle if the beltpack is
laying flat with the battery compartment face up and the antenna
receptacles facing you. The other antenna is the transmit
antenna. New antennas can be ordered if desired, see
“Accessories and Replacement Parts” on page 83.
Transmit Mode
The rear panel located transmit switch has the following two
modes:
Push-to-Talk (PT TALK) – Recom
m
ended position - The
transmitter is always on. No audio is sent unless the talk
switch, WTA or SA button is pressed.
Push-to-Transmit (PT TX) –The transmitter and audio
path
are
off except when the talk switch, WTA or SA button
is pressed.
Headset Connection
Insert the headset plug into the XLR connector. See the headset
pinout in the TR-800/TR-825 beltpack controls and connections
section if this is not a Telex headset. A dynamic or electret
headset microphone is automatically detected by the beltpack
and a bias voltage supplied, if needed.