D680C
Adjusting volume........................................................................................................ 34
Enable the mute mode.............................................................................................. 35
Intrusion........................................................................................................................ 36
Create an entry ........................................................................................................... 37
Changing an entry ..................................................................................................... 38
Deleting an entry........................................................................................................ 38
Search for an entry.................................................................................................... 38
Delete all the entries ................................................................................................. 39
Speed dialing .............................................................................................................. 39
Changing the ringtone.............................................................................................. 41
Setting up.........................................................43
The phone ........................................................................... 43
Adjust the brightness................................................................................................ 45
The handset ........................................................................ 46
9
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