TB7100 Installation and Operation Manual Glossary 129
© Tait Electronics Limited December 2005
Glossary
This glossary contains an alphabetical list of terms and abbreviations related
to the TB7100 base station. For information about trunking, mobile, or
portable terms, consult the glossary provided with the relevant
documentation.
A
accessory An accessory is an ancillary device fitted externally to a base station, such as
an external microphone.
active Digital outputs are active when the base station pulls their voltage low and
current is flowing. Digital inputs are active when external equipment is
pulling them to ground. All base station digital outputs are open collector.
ADC Analog-to-Digital Converter. A device for converting an analog signal to a
digital signal that represents the same information.
air intake
temperature
The temperature of the air as measured at the transmitter’s air intake.
anti-kerchunking Anti-kerchunking is a base station feature that discourages users from
“pinging” (kerchunking) the repeater with short bursts of RF.
audible indicators The radio’s audible indicators are used in combination with visual indicators
to provide feedback to the radio user. Types of audible indicators are
incoming call tones, warning tones, confirmation tones, keypress
confidence tones and signalling sidetones.
B
backlighting The radio’s display or keypad lights up when there is activity on the radio,
such as when a key is pressed or when a call is received. The value of the
backlighting timer and how backlighting was activated determine how long
backlighting remains on.
backlighting timer The backlighting timer determines how long backlighting remains on once
it is activated.
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