MediSono P25 EXP, Руководство пользователя

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15 System Maintenance
184 Basic User Manual
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To avoid electrical shock and damage to the system, power off and unplug the system
from the AC power outlet before cleaning.
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To maintain the safety and functionality of the system, maintenance must be
performed at least once every year. Electrical safety tests must also be performed at
regular intervals as specified by local safety regulations.
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1 Cleaning the System
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1 To clean the system surface
1. Power off and unplug the system from the AC power outlet.
2. Dampen a lint-free soft cloth with 75% ethanol.
3. Use this lint-free soft cloth to clean the surfaces of the monitor screen, the touch
screen, the control panel, the keyboard and the main unit. Take special care and avoid
to scratch the screens.
4. Use a cotton swab to remove solids from between keys and controls.
5. In case of blood or any infectious fluids or materials, use a lint-free soft cloth
dampened with 70% isopropyl alcohol.
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2 To clean the dust filter
The dust filter must be cleaned at least every 3 months for ventilation.
1. Power off and unplug the system from the AC power outlet.
2. Pinch the dust filter with fingers as the figure shown above.
3. Rinse the taken out sponge with refresh running water, and use a brush to rinse the
dust filter with refresh running water.
4. Place the sponge and dust filter back to the system after a thorough airing.
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3 To clean the trackball
1. Power off and unplug the system from the AC power outlet.
2. Press the bulges in the ring with both hands.
3. Turn the ring anticlockwise until the ring lifts.