Authentication......................................................................................................................................... 33
Air Interface Encryption..........................................................................................................................33
Clear Radios (Class 1).................................................................................................................34
Static Cipher Key Encryption (Class 2)...................................................................................... 34
Derived Cipher Key and Common Cipher Keys Encryption (Class 3).......................................35
Group Cipher Keys Encryption (Class 3G).................................................................................35
End-to-End Encryption............................................................................................................................35
Radio Disable/Enable..............................................................................................................................36
Radio Permanent Disable........................................................................................................................ 37
High Assurance Boot...............................................................................................................................37
Mobility Services................................................................................................................................................ 37
Main Control Channel Frequencies.........................................................................................................37
Control Channel Selection.......................................................................................................................38
Multi-System Operation..........................................................................................................................38
Registration............................................................................................................................................. 39
Call Roaming...........................................................................................................................................39
Seamless Handover................................................................................................................................. 40
Air Interface Migration........................................................................................................................... 40
Dynamic Air Interface Migration............................................................................................................41
Any Networks..........................................................................................................................................41
Congested Cell Handling.........................................................................................................................41
Subscriber Class...................................................................................................................................... 42
Subscriber Class by Talkgroup................................................................................................................42
Local Site Trunking.................................................................................................................................42
Supplementary Services...................................................................................................................................... 43
Dynamic Group Number Assignment.....................................................................................................43
Ambience Listening................................................................................................................................ 44
Preemptive Priority Call..........................................................................................................................44
Transmit Inhibit Mode.............................................................................................................................44
DMO Gateway and Repeater Communication....................................................................................................45
Communication through Repeaters.........................................................................................................45
Communication through Gateways.........................................................................................................46
Hibernation..........................................................................................................................................................46
Chapter 3: Man-Machine Interface..................................................................... 49
Controls, Indicators and Related Features...........................................................................................................49
LED Indications...................................................................................................................................... 49
Controls and Indicators........................................................................................................................... 50
Audio...................................................................................................................................................................52
Tones....................................................................................................................................................... 52
Whisper Mode......................................................................................................................................... 55
Audio Features........................................................................................................................................ 55
Audio Templates Names and Availability.................................................................................. 55
Appendix A: Glossary............................................................................................57
4 | Contents