User Manual

PIN
Personal Identification Number.
Preprogrammed
Refers to a software feature that has been activated by
a qualified radio technician.
Private (Conversation) Call
A feature that lets you have a private conversation with
another radio user in the talkgroup.
Private Line (PL)
A sub-audible tone that is transmitted such that only
receivers decoding the tone receives it.
Programmable
Refers to a radio control that can have a radio feature
assigned to it.
PTT
Push-To-Talk. The PTT button engages the transmitter
and puts the radio in transmit (send) operation when
pressed.
Radio Frequency (RF)
The part of the general frequency spectrum between
the audio and infrared light regions (about 10 kHz to
10,000,000 MHz).
Repeater
A conventional radio feature, where you talk through a
receive/transmit facility that re-transmits received
signals, in order to improve communications range and
coverage.
Selective Call
A feature that allows you to call a selected individual,
intended to provide privacy and to eliminate the
annoyance of having to listen to conversations of no
interest to you.
Selective Switch
Any digital P25 traffic having the correct Network
Access Code and the correct talkgroup.
Squelch
Special electronic circuitry, added to the receiver of a
radio, that reduces, or cuts off, unwanted signals before
they are heard in the speaker.
SSI
Synchronous Serial Interface.
Standby
An operating condition whereby the radio’s speaker is
muted but still continues to receive data.
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