18.1.5Numeric keys
By customising your keys, you can access any function directly from the main screen.
18.1.6Auto lock
Your keypad will be locked automatically or you may lock it manually with a short press of the 
key.
Unlock the keypad
•Short press 
when locked.
•Drag the key on the screen to the lock icon.
•Open the slider
The keypad will be unlocked automatically on receiving a call or plugging in the charger.
18.1.7Screen lock during call
Select “On”/“Off” to activate/deactivate screen lock during call.
18.1.8Input mode (1)
Please see chapter “Latin input mode”, page 81. In addition to the specific characters table for Cyrillic, Chinese, other data input modes are also available in your telephone.This feature allows you to write short messages and add names with special characters to your directory.
18.1.9Vocabulary
You have a vocabulary to which you can add your own words in addition to those suggested by the predictive input system.When you consult your vocabulary, you can add, modify or erase words by using the “Options” softkey.
(1)Depending on your network operator.
18.2Call settings
See page 43.
18.3Security
Activate PIN | The SIM card protection code is requested each |
| time the phone is powered on if this code is |
| activated. |
Change PIN | Change PIN code. |
Change PIN2 | A protection code for certain SIM card features |
| (Billing/Cost/FDN, etc.) will be requested if you |
| attempt to access it, if the code is activated. |
| Select to update it with a new one (between 4 |
| and 8 digits). |
Activate phone | Code is requested each time the phone is |
code | powered on. |
Change phone code Change phone password, its initial one is 1234.
Fixed dialed | Allows the phone to be “locked” so that it can |
number | only dial certain numbers, or numbers with |
| certain prefixes.To activate this function, PIN2 |
| code is mandatory. |
77 | 78 |