SpeechMike Pro Barcode Reader Installation and User Manual
Cleaning the Trackball
1. Turn the retainer ring counterclockwise to remove the
2. Wipe the ball with a clean, lint-free cloth.
3. Blow carefully into the ball cage to dislodge dust and
4. Look for a build-up of dirt on the rubber rollers inside
the ball cage.
5. If dirty, clean the rollers using a cotton swab moistened
slightly with alcohol.
6. Make sure that fluff from the swab is not left on the
7. Replace the ball and retainer ring.