Tait TB7100, Installation And Operation Manual

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TB7100 Installation and Operation Manual Glossary 137
© Tait Electronics Limited December 2005
T
TB7100 Base Station
A TB7100 base station consists of the equipment necessary to receive and
transmit on one channel. Generally, this means receiver, transmitter and
system interface modules. Often abbreviated to TB7100 or base station.
TCXO
Temperature compensated crystal oscillator (voltage controlled). The
frequency reference for the RF part of the radio.
Talk Through
Repeater
A TB7100 is a talk through repeater when its audio path is configured to
pass the audio it receives on to the transmitter, and its receiver gate signal is
configured to key the transmitter.
THSD
Tait High Speed Data (THSD) is a proprietary data protocol. THSD uses a
four level frequency shift keying modulation scheme.
toggle The term toggle is used to describe the switching between two states.
TOI Tone On Idle (TOI) is an audio tone used on the receiver output to indicate
when the base station is idle.
transmit (Tx)
frequency
The transmit frequency is the frequency that all outgoing transmissions are
made on.
transmit inhibit
The transmit inhibit feature determines under what conditions a
transmission request does not result in the radio transmitting.
transmit lockout The transmit lockout feature prevents the base station from transmitting for
a time once the transmit timer has expired.
Tx
Tx is an abbreviation for transmit or transmitter.