Panasonic EB-X300 - Manual (Page 23)

20 Basic Operations
Menu Display
The menu system allows you to access functions which do not have their own
dedicated buttons on the keypad.
In idle mode
1.
A (Menu)
The main menu display has 9 menu options
(see “Exploring the Menus” on page 21)
2. 4 required menu A (Select)
To go back to the Menu display:
D or @ repeatedly until the Menu display returns.
NOTE: Menu display contents are dependent on your SIM.