19 - 4 Operator’s Manual
19 System Maintenance
Use a clean soft cloth or dry paper tissue to clean the two main shafts inside the trackball,
bearings, plastic housing, and inner part of the pressure ring. Meanwhile, clean the ball.
3. Installing:
Put the ball in. Then, put the pressure ring in (the convex strip on the pressure ring is about 15
degrees from the horizontal), and rotate counterclockwise until the convex strip on the pressure
ring is horizontal. Then, the buckle is locked. At this time, the pressure ring can no longer be
rotated, indicating that the pressure ring has been installed in place.
Cleaning the Dust-proof cover
Please clean all dust-proof covers of the system periodically (1 time per month); otherwise, system
damage may result. Cleaning times can be increased when the system is used in the open air or
somewhere dust is more.
Tool: soft brush
Perform the following procedure:
1. Pull out the dust-proof cover.
2. Cleaning: with soft brush and then wipe off the dust.
3. Assemble dust-proof covers. Insert the dust-proof cover into the slot of the main unit.
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