Tait TM9100 Series P25 User Manual page 6

Changing the encryption keyset ............................... 112
Removing encryption keys from the radio .................... 113
Deleting an encryption key ....................................... 113
Deleting all encryption keys ..................................... 113
Updating encryption keys over-the-air.......................... 114
Using an encryption demonstration key ....................... 114
Activating the demo key ........................................... 114
Making an encrypted call using the demo key ......... 115
Receiving an encrypted call using the demo key ..... 115
11 Customizing radio settings ...............................116
Reducing power consumption ...................................... 117
Turning low power transmit on or off ........................ 117
Changing the volume of all audible indicators.............. 118
Changing the volume of keypress tones ...................... 118
Changing to quiet operation ......................................... 119
Changing to silent operation......................................... 119
Changing the external alert option ............................... 120
Turning on backlighting ................................................ 120
Turning backlighting on momentarily ....................... 121
Adjusting the backlighting level ................................ 121
Adjusting the display contrast....................................... 122
12 Troubleshooting .................................................123
About troubleshooting .................................................. 124
System error message ................................................. 124
When your radio won't turn on ..................................... 124
Identifying the radio's audible tones ............................. 124
Viewing radio information ............................................. 125
Changing the radio ID .................................................. 125
Running diagnostics tests ............................................ 126
Removing the microphone ........................................... 128
General care................................................................. 128
13 Glossary ..............................................................129
Index .....................................................................133
Directive 1999/5/CE Declaration of Conformity 137
Tait Software Licence Agreement......................138
6 Contents