■
General
4-1-10 APCO P25 Mode Operation
(IC-F9510 series)
■
General
APCO Project-25 (P25) is designed for public safety
digital radio, and allows you to make a call to a
specific station (Individual call) or to a particular
group (Talk-group call or Announcement
call*) in the Conventional and Trunking mode.
Other P25 transceivers on the channel will not listen
in on a call that does not match their Individual/Talk-
group/announcement
group ID or NAC (Network Access Code).
Moreover, the following functions and calls are
available: Pager function, Radio Inhibit/Uninhibit
function, Radio Monitor function, Radio Check
function, Status Message, Short Message, Status
Query, Phone Call, Emergency Call and
Encryption function.
NAC matching is not necessary for the above
functions and calls.
Each transceiver has a unique ID, and it allows it to
be substituted with an alphanumeric name, if
programmed. You can use this ID (or name) to
select a target station to call, and the ID (or name) of
■
Control Channel Hunt
function (P25 Trunking mode only)
the target station is displayed after receiving a call.
*Trunking mode only
▒
✔
IMPORTANT for Trunking mode operation:
▒
• The public Trunking transceiver should be
▒
registered and group affiliated with the control
▒
channel in a current repeater system, to be
▒
operated in the Trunking mode. After the
▒
i t ti d
ffili ti
f l
function (P25 Trunking mode only)
The P25 Trunking mode allows the transceiver to
automatically hunt for a control channel in a
repeater system, according to the pre-programmed
hunt list* when;
• Turning the power ON.
• The P25 Trunking mode is selected.
• The transceiver goes out of the range and does not
▒
registration and group affiliation are successful,
▒
the Trunking operation can be performed.
▒
• When the Full Off Air Call SetUp (FOACSU)
▒
function is turned ON, beeps sound after
▒
receiving an Individual call on the Trunking mode,
▒
which is a request for the user’s permission to
▒
accept the call.
• The transceiver goes out of the range and does not
receive the downlink signal from the current
registered control channel.
-“OUT OF RANGE” is displayed.
-S-meter icon is displayed according to the received
signal strength level.
“ ” is NOT displayed in the indicated location.
*The valid control channels (up to 64) are listed on
the hunt list.
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