4 ContentsUsing a wireless headset ............................................... 51Wearing the headset .................................................. 51Pairing a wireless headset with the radio ................... 52Managing your headsets ............................................ 53Selecting a zone............................................................. 56Selecting a channel ........................................................ 57Limiting call time............................................................. 58Checking recent calls ..................................................... 58Setting and viewing the radio’s time and date................ 59Updating the radio over the air ....................................... 605 Operating in conventional mode ........................61Making a call .................................................................. 62Making an individual call ................................................ 62Understanding talkgroups .............................................. 63Making a local call .......................................................... 65Connecting to a telephone network................................ 66Making an emergency call.............................................. 68Sending a status message ............................................. 68Receiving calls ............................................................... 69Identifying the talking party or caller........................... 69Receiving a two-tone call ........................................... 70Communicating directly with other radios....................... 71Checking that the channel is clear ................................. 72Turning monitor on and off ......................................... 72Using the radio in different repeater areas ..................... 72Selecting a voting group............................................. 73Suspending a channel from a voting group................ 73Hearing faint and noisy signals ...................................... 74Turning squelch override on and off........................... 746 Operating in P25 trunking mode .........................75About P25 trunking......................................................... 76Checking that the system is available ............................ 76Making a talkgroup call................................................... 78Receiving a talkgroup call .............................................. 80Making an individual call ................................................ 80Receiving an individual call ............................................ 81Emergency calls ............................................................. 82Making a phone call ....................................................... 83Unconnected calls .......................................................... 84Failsoft mode operation.................................................. 85Radio-based failsoft ................................................... 85Infrastructure failsoft................................................... 85Dynamic regrouping ....................................................... 867 Scanning ...............................................................87