Locking Your Handheld - Blackberry Nextel 6510 Getting Started Manual

The Options screen appears. The information that you set in the
Time, Time Format, and Date fields determines how the date and
time appear in the handheld status section of the screen. It also
determines how the date and time appear on the Calendar and Lock
screens.
Date/Time fields
The Date/Time screen contains the following fields:
Time Zone: Select your time zone. Your handheld adjusts the time
automatically, according to the time zone.
Time: Set the current time.
Time Format: Select a 12-hour or 24-hour clock.
Date: Set the current date.
Note: The date and time are only some of many options that you can
configure on your handheld. Refer to the "Customizing your handheld's
options" chapter in the online Handheld User Guide for more
information.

Locking your handheld

You can lock your handheld's keyboard or, for greater security, you
can set a password on your handheld. When you lock your
handheld using either of these methods, the Lock screen appears. If
you type information in the Options application, on the Owner
screen, this information appears on the Lock screen. You should
include your contact information in the event that your handheld is
lost.
To lock the keyboard
You can lock your handheld's keyboard to avoid typing characters
accidentally.
Getting Started Guide
Locking your handheld
59