On BlackBerry® devices with a trackball or trackpad, the trackball or trackpad is the primary control for user navigation. Users can perform the following actions:

• Roll the trackball or slide a finger on the trackpad to move the cursor.
• Click the trackball or trackpad to perform default actions or open a context menu.
• Click the trackball or trackpad while pressing the Shift key to highlight text or highlight messages in a message list.

BlackBerry devices with a trackball or trackpad also include a Menu key that is located to the left of the trackball or trackpad. Users can press the Menu key to open a full menu of available actions.

• Trackball sensitivity
  
• Trackball movement