CONVENTIONAL MODE FEATURES
31
Complete -
This mode transfers all conventional
programming information from the master radio.
This includes information on the Global, Radio
Wide, and By System screens. Simply highlight
“Complete” and press the F2 key to begin the data
transfer.
5.15 SINGLE TONE ENCODER
This feature allows the user to transmit a single
tone by pressing the Single Tone Encoder option
switch or selecting that menu parameter. Each conven-
tional system can be programmed for a tone of 500-
2500 Hz in 1 Hz steps with a duration of 0.5-2.5
seconds in 0.1 second steps. This feature is available
only with Flash code 1.7.0 or later.
5.16 PROJECT 25 MODE FEATURES
5.16.1 UNIT ID CODE
Each transceiver that operates on Project 25
(digital) channels is programmed with an eight-digit
unit ID. This ID is unique for each transceiver and can
be any number from 1-16,777,216. When power is
turned on with a Project 25 channel selected, this ID is
briefly displayed.
5.16.2 GROUP ID CODE
Each Project 25 channel is programmed with a
group ID that determines which group of mobiles will
receive the call. A call is received on a channel if a
selected or scanned channel is programmed with that
ID and the correct NAC is detected (see following).
Group IDs can be any number from 0-65,535. Group
ID detect can be disabled by the Normal/Selective
squelch function described in Section 5.5.2 or the
monitor mode described in Section 5.3
5.16.3 NETWORK ACCESS CODE
Project 25 conventional channels also use a NAC
(Network Access Code) to control which calls are
received on a channel. The NAC can be 0-4095, and
each transmit and receive channel can be programmed
for a different code. Other operation, such as moni-
toring before transmitting, is similar to that of analog
channels. NAC (and group ID) detect can be disabled
by the monitor mode described in Section 5.3.
5.16.4 P25 GROUP CALLS
P25 group calls are placed by simply selecting the
channel programmed for the desired group, monitoring
the channel if required, and transmitting.
Changing a Channel Talk Group
If the Digital Talk Group Select option switch or
Select TG menu parameter is programmed, the talk
group assigned to a channel can be changed by the
user. The new talk group continues to be assigned to
the channel until it is manually changed again (cycling
radio power or selecting another channel does not
reselect a default talk group). Change the talk group
assigned to a channel as follows:
1. Select the channel to be changed and then press the
Talk Group Select option switch or select the Select
TG menu parameter.
2. Press the Up/Down switch until the alias (alphatag)
of the desired talk group is displayed.
3. To select that talk group and return to normal oper-
ation, press the Talk Group Select option switch
again or the F2 switch. If talk group selection has
been disabled on the channel by programming, “NO
LIST” is displayed, a tone sounds, and no change
occurs.
5.16.5 P25 UNIT CALLS
Unit Calls (also called Individual Calls) can be
placed to a specific radio on a Project 25 channel if the
Unit Call option switch or menu parameter is
programmed. Only the individual ID of the target
radio is sent (a talk group ID is not sent). The mobiles
that can be called are preprogrammed in the unit call
list.
To receive a Unit Call, the RF channel of the call
must be selected or scanned and the correct NAC and
unit ID must be detected. The ID of the calling mobile
is then transmitted back. To respond to the call, the
transceiver must be programmed with the Unit ID
option switch or menu parameter, and have a Unit Call
programmed for the ID of the calling mobile.
*
This feature requires 51xx operating (Flash) software
1.9.0 or later and PCConfigure 1.20 or later.
Summary of Contents for 5100 SERIES
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