Nokia 1600 - Manual (Page 14)

G e t s t a r t e d
13
■ Lock the keypad
The keypad lock helps to prevent keys from being
pressed accidentally.
To lock the keypad, in the standby mode, select Menu , and
press * quickly; to unlock, select Unlock , and press * quickly.
To automatically turn on the keylock, see
"Phone settings," p. 26.
When the keypad lock is on, calls may be possible to the official emergency
number programmed into your device.