Table of Contents
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Group Calls ......................................................................................................................... 118
PSU Affiliation ..................................................................................................................... 118
Emergency in Analog Mode ................................................................................................ 118
Emergency Alarm .........................................................................................................................119
Emergency Call .............................................................................................................................119
Emergency Revert through DVR ..................................................................................................119
Analog Audio Buffering ....................................................................................................... 120
Tactical Public Safety (TPS) ............................................................................................... 120
Fireground (FG) Signaling .................................................................................................. 120
Remote DVRS Activation via DTMF ................................................................................... 120
P25 Encryption in Analog Mode ......................................................................................... 121
Leading & Trailing Tones .................................................................................................... 121
Mobile Mode Steering via PL/DPL ...................................................................................... 121
Steering and Emergency................................................................................................................122
MSU Operating on TDMA (P25, Phase 2) .......................................................................... 122
Mixed DVR Mode .................................................................................................... 123
Using the Tweaker's RSSI Setup Application .......................................................... 124
Setting up the RSSI ON range ............................................................................................ 124
Setting up the Voting Parameters (Primary / Secondary Range) ....................................... 125
Using the Tweaker Monitoring Screen ..................................................................... 126
BER Test Setup .................................................................................................................. 127
Troubleshooting ........................................................................................................ 128
Software / Programming Related Problems ....................................................................... 128
Firmware Upgrade .............................................................................................................. 129
Appendix 1 - DVR Specifications ............................................................................ 130
Appendix 2 - DVR Status Display ............................................................................ 131
Appendix 3 - DVRS Features vs PSU Type ............................................................. 132
Infrastructure ............................................................................................................. 134
Mobile Mode .............................................................................................................. 137
(Analog or Digital) Mobile Mode ............................................................................... 138
January 2019
DVRS Installation & Programming Guide - PART I
8M083X25 R14
APX Series P25 Interface
Page 16 of 153
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