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Additional Information
PTT
Push-To-Talk - the PTT switch engages the transmitter
and puts the radio in transmit (send) operation when
pressed
Radio-To-Landline
Communicating from a portable/mobile radio through
the telephone system.
Repeater
A conventional radio feature, where you talk through a
receive/transmit facility (repeater), that re-transmits
received signals in order to improve communications
range and coverage
RF
Radio Frequency
Softkeys
Features shown on the display with a key-like outline -
selection of these features is controlled by
buttons
Squelch
The muting of audio circuits when received signal levels
fall below a pre-determined threshold
Standby
An operating condition whereby the radio’s speaker is
muted but still continues to receive data
Talkgroup
An organization of radio users who communicate with
each other
Trunking
The automatic sharing of communications paths
between a large number of users (See Conventional)
Zone
A grouping of channels
Additional Information Page 66 Tuesday, April 9, 1996 4:37 PM
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