MP309 User manual
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Idle display setting: Set Idle display.
Contrast: Set the backlight brightness.
Keypad backlight time: Set the Keypad backlight time
Auto keypad lock : Keypad lock prevents the unneccessary phone usage.
9.4 Security
The phone provides several security options to protect your phone from
misuse.
1. PIN
Open: Requires PIN code every time the phone is opened.
Update: Requires you to type the PIN code before you can modify.
Close: enter the correct PIN code.
Warning: Be
careful in using this function. Forgetting of set password
may result to permanent SIM damages. Please consult your network
operator. Typing of wrong password for 3 times will require for PUK and
typing of PUK for 10 times PUK will result to SIM permanent damage.
2. Modify PIN2:
PIN2 (Personal Identification Number2) is for some special functions
(such as setting of fixed number, setting calls billing, etc). You will be
required to enter personal identification number.
Warning: Please be careful in using this function. Mistyping of Pin
will result to SIM card permanent blocking.
3. Phone locked
If the phone lock is activated, the phone lock password is required when
switching ON the phone. The default password is "1234". If the phone is
