PRELIMINARYTD 92474EN05 October 2012 / Ver. PH1User ManualAastra DT69x DECT Telephones47Activate the Phone LockThe handset can be protected for unauthorized use. If this function is activated, a PIN codehas to be entered for example to switch on the handset, to answer an incoming call etc.The default phone lock code (0000) can be changed to any 4 - 8 digit personalized code.Note: If configured in the handset, it is possible to call a pre-defined emergency numberwhile the handset is locked. See Configuration Manual, Aastra DT390/DT69x DECTTelephones, TD 92503EN. If the DT692 is used, it is also possible to use the Alarm button.1 Select “Locks”.2 Select “Auto phone lock”.3 Select “On”,"On in charger", or "Off".4 Enter PIN code.5 Press "OK".If the PIN code is forgotten it can be removed by your distributor.Deactivate the Phone Lock1 Select “Locks”.2 Select “Auto phone lock”.3 Select “Off”.4 Enter PIN code5 Press "OK".Change PIN Code1 Select "Change PIN code".2 Enter the old PIN code.3 Press "OK".4 Enter the new PIN code.5 Press "OK" and enter the new PIN code again.6 Press "Save".7.9.3 Display SettingsBrightness1 Select “Display”.2 Select “Brightness”.3 Select “Normal” or “Power save”.4 Press "Back".Screen Saver1 Select “Display”.2 Select “Screen saver”.