User's Manual

SMARTNET/SMARTZONE/P25 TRUNKED FEATURES
33
Revised August 2002
Part No. 001-5300-007CD-NR
Emergency Alarms
An emergency alarm is a special data transmis-
sion on the selected talk group that alerts a dispatcher
of an emergency situation. It is transmitted on the
currently selected talk group. Proceed as follows to
activate an emergency alarm:
1. Select a SMARTNET/SmartZone or P25 Trunked
channel that has this feature enabled and then press
the Emergency option switch. The radio then begins
automatically transmitting an emergency alarm data
message and “EMERGNCY” is indicated in the
display for 3 seconds.
2. When the emergency alarm is acknowledged by the
system, “ACK RCVD” is briefly displayed and the
emergency acknowledge tone (two beeps) sounds.
Silent operation may also be programmed in which
case no tone sounds and there is no indication that
an acknowledgment occurred.
3. The radio continues to transmit this message until an
acknowledgment is received or the programmed
number of attempts have been made. To exit this
mode, power must be turned off.
Emergency Calls
An emergency call urgently requests access to a
voice channel. It is transmitted on the preprogrammed
emergency talk group. To place this call, proceed as
follows:
1. Select a SMARTNET/SmartZone channel that has
this feature enabled and press the Emergency option
switch. The emergency mode is indicated when
“ACK RCVD” is briefly displayed and then
“EMERGNCY” and the emergency talk group are
alternately displayed.
2. To place the emergency call, manually press the
PTT switch and begin speaking as with a standard
call. All group calls which follow are then emer-
gency calls (private/unit and call alert calls are not
allowed). If the channel is changed, the call is made
on the emergency talk group programmed for the
new channel.
3. To exit this mode, power must be turned off.
5.10 FAILSOFT OPERATION
If a failure occurs in the SMARTNET/Smart-
Zone or P25 Trunked system so that it cannot be used,
the transceiver automatically enters the failsoft mode.
When in this mode, “FAILSOFT” and the tag (alias) of
the selected channel are alternately displayed.
When in the failsoft mode, operation is in the
conventional mode on a preprogrammed failsoft
channel. A different failsoft channel can be
programmed for each talk group. If a transmission is
attempted before a failsoft channel is located, a contin-
uous tone sounds until the PTT switch is released.
When the radio system returns to normal operation,
this condition is automatically detected and normal
operation resumes.
5.11 SMARTNET/SMARTZONE/P25 TRUNKED
SCANNING FEATURES
5.11.1 GENERAL
Scanning on a SMARTNET/Smartzone or P25
Trunked system is called Priority Monitor Scan. The
following are unique features of this type of scanning.
For general scanning information applicable to all oper-
ating modes, refer to Sections 3.16 and 3.17
• Scanning is turned on and off by the SCAN option
switch. Talk groups (channels) can be programmed
so that scanning automatically starts whenever the
talk group is selected (Autoscan).
• When responding to calls in the scan mode, the
programming of the Talkback Scan parameter deter-
mines if a response always occurs on the talk group
of the call (Active Group) or the Selected Group if
they are different. Transmissions at other times
always occur on the selected talk group.
• Up to 256 scan lists or the number that fit in avail-
able memory can be programmed. Each list can
include up to 256 talk groups from the same system,
one of which can be a priority group as described in
the next section.