User's Manual
First InterCommâ„¢ system VCA100 user manual A29798 September 2008 i
List of illustrations i
List of tables i
Warnings and precautions ii
Welcome to First InterComm system 1
First InterComm system overview 1
The First InterComm system in action 2
Operating the First InterComm system 5
Start-up 5
Vehicle location 5
Signal relay (hopping) 7
Troubleshooting 8
First InterComm system component descriptions 8
The VCA100 unit 8
Power-on-built-in test (PBIT) 9
Mobile radio antennas 9
Wireless antenna 9
Appendix A VCA100 specifications 10
Appendix B Acronyms and abbreviations 11
BAE Systems contact information 12
Companion documentation 12
Table of contents
Figure 1 The First InterComm system in action 2
Figure 2 The incident area network (IAN) expands or contracts as needed 3
Figure 3 The First InterComm system enhanced by the optional
Talk Group software 4
Figure 4 Area geometry or physical features can affect talk range 6
Figure 5 LOS obstructions prevent communications 7
Figure 6 First InterComm system range is extended by "hopping" 7
Figure 7 VCA100 front panel connectors 9
Table 1 VCA100 troubleshooting procedures 8
List of illustrations
List of tables