iiContentsOptions List 22Select a language ................................................................................ 23Change a Feature Key label (M3902) .................................................... 23Change a Feature Key label (M3903 and M3904) ................................. 25Adjust Screen contrast .......................................................................... 27Adjust volume ...................................................................................... 27Choose Ring type ................................................................................. 28Select Call Log options .......................................................................... 28Use Live dial pad ................................................................................. 29Select Preferred name match ................................................................. 29Set up area code ................................................................................. 29Enable Call timer ................................................................................. 30Select Date/time format ........................................................................ 30Enable Key click ................................................................................... 30Use Headset port on call ....................................................................... 31Activate Headset port external alerter .................................................... 31Use Call indicator light ......................................................................... 31Set On hook default path ...................................................................... 32Display diagnostics .............................................................................. 33Activate Group Listening ....................................................................... 33Call Log/Personal Directory display and controls 34Identify specialized keys ....................................................................... 34Use Directory password protection ........................................................ 35Manage Call Log 37Access and use the Callers List (M3903) ................................................ 37Access and use the Callers List (M3904) ................................................ 38Access and use the Redial List (M3903) ................................................. 40Access and use the Redial List (M3904) ................................................. 41