Blackberry 9620 User Manual page 234

User Guide
No application opens when I press a Convenience key
Try the following:
• If you haven't done so, assign an application to the key.
• Verify that you didn't delete the application that you assigned to the key.
Related information
Assign an application to a convenience
The screen turns off
When you don't use your BlackBerry smartphone for a period of time, the screen turns off to conserve battery power. You
can change the length of time that the backlight stays on when you aren't touching your smartphone.
To turn on the screen, click the trackpad or press a key.
Related information
Set options for backlighting,230
234
key,225
Screen display