Blackberry 6720 - Manual (Page 230)

Customizing your handheld’s options
230 BlackBerry Wireless Handheld
Service Book
This screen shows the service books on your handheld.
SIM Card
On the SIM Card screen, you can view subscriber data, information about your
location and network, and your handheld’s SMS-compatible phone number.
You can also enable, disable, and change your PIN code. Refer to "Using SIM card
security" on page 222 for more information.
SMS
You can set the following options as the default options for every SMS message
that you send or receive.
Leave messages on SIM Card: Select whether you want incoming SMS messages
to be saved on your SIM card. By default, this option is set to Yes.
Note: The Lock screen shows your contact information (if you have typed it on the
Owner screen) or it prompts you to Press any key. Type the first letter of your password
to open the Enter Password dialog box. Type the remaining letters of your password
and click the trackwheel to resume using your handheld.
After you enable the password, you must type it again to open the Security screen, to
connect to the desktop software, and to use the Application Loader. Refer to the Getting
Started Guide for more information on your password and other handheld security
features.
If you are connected to a phone call at the time that the Security Timeout field is set to
lock the handheld, the handheld does not lock. After the phone call ends, the handheld
locks again after the amount of time passes that is set in the Security Timeout field.