Panasonic KX-TGB110AL Operating Instructions Manual page 26

Programming
Note:
Once reset the handset will prompt
you to reset the date and time, see
page 22.
Default settings by reset
Key tone
Auto answer
Ringer melody
Ringer volume
Receiver volume 3
Language
Phonebook
Calls list
Redial list
PIN code
Eco mode
Zero Emit
Handset name
Auto Prefix
Recall Time
26
ON
OFF
5
5
ENGLISH
Unchanged
Empty
Empty
0000
OFF
OFF
HANDSET
EMPTY
MEDIUM