How to turn off the trackball sounds on a BlackBerry Pearl 8100, 8110, 8120 or 8130.

1. From the Home screen, press Menu.

2. Click Options.

3. Click Screen/Keyboard.

4. Set Audible Roll to Mute.

5. Press Menu.

6. Click Save.

Now you won’t be annoyed with the sounds of the trackball anymore.