Emergency In Digital Mode - Futurecom Mobexcom P25 Installation & Programming Manual

interfaced to a DVR will toggle the DVR mode and may potentially cause loss of vital
communications.
If the DVR is programmed with the ID of the dispatcher console then only Pages from
this specific ID (or IDs) will cause DVRS mode change. If "Trunking Status Send"
(System Setup 1 screen in Tweaker) is enabled, the DVRS will send back a mode
change status to indicate its current mode (OFF, SYSTEM, LOCAL). Only the
Dispatcher Console can interpret those status messages if correctly programmed:
Status 1 = OFF mode
Status 2 = LOCAL mode
Status 3 = SYSTEM
The MSU should have the same unit ID in all DVRS Enabled Systems in order to ensure
reliable mode change operation.
Dispatcher can not force a Non-Primary DVR to become a Primary and can not activate
a DVR when a 'VR Disabled' mode is selected on the control head.

Emergency in Digital Mode

When an affiliated Local PSU issues an emergency Alarm, the active Primary DVR will
process the emergency to the system as follows:
If the 'Portable ID Display'
Local PSU Unit ID will be displayed on the O5 / O3 / M5 of the current Primary DVRS.
The PSU Unit ID will also appear on the display of the other Local PSUs if they are
programmed accordingly.
During Emergency Call, the Unit ID of the Local PSU, which has initiated the Emergency
Call, may be displayed on the System PSUs / MSUs if those are programmed
accordingly.
The Local PSU ID during Emergency may also be displayed on the Dispatcher Console.
The DVR sends back an Emergency ACK to prevent the PSU from re-sending the
Emergency either right after the DVR decodes the Emergency request (if the
Acknowledge Type'
or after a System ACK has been received (if the
Mobile Radio Channel Settings
All Secondary DVRS in the area are monitoring the number of emergencies issued by
Local PSUs according to the
programmed in the DVRs
serviced Emergency Attempts exceeds the counter, the Secondary DVRs will go through
Primary / Secondary voting to select a new Primary to pass the emergency to the
System.
If a DVRS is in the OFF Mode when it receives an Emergency from a Local PSU, the
DVR will switch to System Mode after the
PSU and pass the Emergency to the System.
Digital Vehicular Repeater Interfaced to XTL
April 2014
DVRS Installation & Programming Guide – PART II
box (in the DVR
on the Mobile Radio Channel Settings
menu is set to
'Attempts Timeout'
Emergency Mode
'Attempts Counter'
TM
5000 (O3 or O5) or XTL
Emergency Mode Setup) is checked, the
menu is set to
'System Acknowledge Type'
'Site Ack' or 'Console Ack'
and 'Attempts Counter'
Setup. If the number of detected not
is exceeded, affiliate the
TM
2500 (M5)
8M083X01 Rev. 16
6881013Y39
'System
"VR Ack")
on the
).
settings
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