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GENERAL OPERATION
24
Conventional Operation
This is a non-trunked operation mode which accesses independent
radio channels (there is no automatic access to several channels as with
trunked operation). Monitoring before transmitting may not occur auto-
matically in this mode, so you may have to manually monitor the channel
before transmitting to make sure that it is not being used by anyone else
(see page 25). Selecting a conventional channel selects a transmit and
receive frequency and other parameters such as Call Guard squelch
coding.
SMARTNET/SmartZone Operation
This is a trunked operating mode that uses ID codes to select which
mobiles are being called and which calls are received. Monitoring is
performed automatically and special messages and tones indicate busy
and out-of-range conditions. Enhanced features include roaming (Smart-
Zone only), telephone, private, and emergency calls, Call Alert, and
messaging. Operating features unique to SMARTNET/SmartZone chan-
nels are described starting on page 34.
This radio supports only the SMARTNET II trunking protocol. It
does not support the SMARTNET I (also referred to as Type I) protocol.
When a SMARTNET or SmartZone channel is selected or the radio is
powered up on one of those channels, it searches for a control channel
and attempts to register on the radio system. Once a control channel is
found, the alias (name) of the selected channel is displayed. If a control
channel could not be found (because of an out of range condition or the
system ID is not correct, for example), “NO SYS” is displayed and the
radio continues to search for a control channel.
The control channel transmits and receives system information to
and from all radios registered on the system. Therefore, once a control
channel is found, it is continuously monitored for incoming call informa-
tion and is used to make call requests. The radio automatically changes to
a traffic channel to place and receive calls and then returns to the control
channel when the call is complete.