Blackberry 6750 Getting Started Manual page 62

Getting started
you have typed information in the Options application, on the
Owner screen, this information appears on the Lock screen. You
should include your contact information in case your handheld is
lost.
To use keyboard lock
You can lock your handheld keyboard to avoid accidentally typing
characters.
1. On the Home screen, click the Keyboard Lock icon. The Lock
screen appears.
2. To use your handheld again, double-click the trackwheel.
To use password protection
Set a password on your handheld to obtain greater security. If your
handheld is left idle for a specified amount of time, you must type
your password to use the handheld again. You can also activate the
Lock screen manually by clicking the Lock icon on the Home screen.
You should lock your handheld with a password if you leave it
unattended. Refer to the "Customizing your handheld's options"
chapter in the Handheld User Guide for more information on setting
your handheld password.
62 BlackBerry Wireless Handheld