System Maintenance
21-2
îš„ Cleaning the control panel, cover and bracket
1. Use dry soft cloth to clean the surface of the system. If the system is dirty, moisten
the soft cloth with a mild or neutral detergent and wipe off any stains.
2. Use dry soft cloth to remove any moisture and allow all hard surfaces to completely
air-dry.
îš„ Cleaning the trackball
1. Disassembling the trackball
Press the bulges on the clamping ring by both hands and turn the ring about 45°
clockwise until it lifts. Take out the ring and the rotary ball. Be careful not to drop the ball.
2. Cleaning the trackball mechanism and rotary ball
There can be a considerable buildup of finger oils and dirt on the internal trackball
mechanisms. Use a cotton swab or soft dry cloth to clean two long shafts and rotary
bearing and to remove any accumulation.
Use the soft dry cloth to clean the rotary ball.
Long shaft
Bearing
Long shaft
3. Installing the trackball
Put the rotary ball back in the trackball mechanism and align the clamping ring with the
top cover notches. Press the bulges on the ring with both hands and turn the ring about
45° counterclockwise until the ring clicks and locks. As the bulges are flush with the top
cover, the ring is secured.
Top cover
Rotary ball
Clamping ring
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