Index 133IndexAalert tones 30see also audible tonesalias 101see also digital radio IDantennasafe distance, fromantenna 10audible tones 30meaning of 124Bbackground scanactivating 68changing groupmembership 65bypassing repeater 49Ccall alert page 82callsbypassing repeater 49checking missed calls 42making 44permitted length of 41priority call 97receiving 47to talkgroup (conventional)46two-tone 48care, of radio 128channelchecking that clear(monitor) 50home channel 51removing from scan group71voting 51channel (conventional)priority 66cleaning radio 128compliance information 9concealed microphone 100control channelregistration 55, 64conventional operationindividual calls 44talkgroups 45Ddeleting nuisance channelsfrom groups 71demo key 114digital alias 101dispatcher operationradio uninhibit 85status request 84 , 85displaycontrast 122icons 28distress beacons, frequencyband reserved for 14documentation, related 22dynamic regrouping 64Eemergency callending 100types of 96using concealedmicrophone 100what happens during 99emergency modefalse powerdown 98keep alive 98phases of 99radio is silent during 98stealth and non-stealthmodes 98turning off 100understanding 98encryptionchange keyset 112