User's Manual Part 1

22
Basic Operations
Erasing text
If you have entered a wrong character or number, press Clear to
erase. Pressing and holding Clear will clear a whole line.
Press or to move the cursor backward/forward.
Using key lock
The key lock helps to prevent unwanted key operations when you
carry your phone.
To enable key lock:
In standby mode, press Menu, then key.
To unlock:
Press Unlock, and then press key.