User`s guide
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READ The means by which a radio’s codeplug information is transferred
from the radio’s EEPROM to the workspace via the RIB.
Receive Frequency The center of the receive channel (usually represented in MHz).
Recent User Priority The ability of the Motorola Central Controller to ensure uninterrupted
communications to a recent user of the Trunked system. Recent User
Priority ensures that a group engaged in a conversation will get
priority access even if there is a significant delay between
transmissions.
Registers Short-term data-storage circuits within the microcontrol unit or
programmable logic IC.
Remote Monitor This feature enables the dispatcher to monitor voice transmission
from the radio unit and is of value during emergency situations when
the radio operator is unable to press the PTT button.
Repeater Remote transmit/receive facility that re-transmits received signals in
order to improve communications coverage. A repeater will re-
transmit information at 125, 70, or 35 Watts of power. A Trunked
repeater used in 800 MHz Trunking systems will typically have
transmit and receive frequencies separated by 45 MHz depending
upon the original communications system configuration.
Repeater Access A feature that enables radios equipped with it to selectively access
multiple repeaters channels automatically. This provides for selective
repeater usage on the same channel. This helps maximize wide area
systems.
SECURENET™ A method of communication that enables encryption (scrambling) of
voice messages transmitted by radios that have this capability. Under
this system, the radio operator may elect to transmit in “Clear” (non-
encrypted) or “Coded” modes to suit his or her needs.
Scan A process by which the radio checks a list of stored receive frequencies
for activity. If activity is found, the radio will be locked onto that
frequency until the frequency is no longer active.
Selective Radio Inhibit A feature that enables the dispatcher to remotely disable a radio unit,
thus causing it to appear inoperable to the radio operator. Radios
inhibited in this manner can usually be revived using a single
command from the terminal. This feature will come in handy if a radio
unit is lost or stolen, for instance.
Serial Port See “Port”.
Sidetones Sidetones are tones generated by the radio, which are heard in the
loudspeaker when the radio is in transmit. They are typically used to
alert the operator that the microphone is muted.
Signaling Squelch When Signaling Squelch is active, the loudspeaker will open for
channel traffic only if the ID of the radio is detected.
Signaling Systems Systems used to alert radio operators or perform specific functions
using the radio.