Appendix 3 Bubble Maintenance
The dome bubble is a transparent plastic. Dust, oil and finger prints, etc. will cause scratches or
image blur. Please refer to the following method to clean the bubble.
Handling dust
Use oil free soft brush or blowing dust ball to clean the dust.
Handling oil
Steps:
1. Wipe off water-drops or oil using a soft cloth.
2. Use oil free cotton cloth to wipe the bubble with alcohol or detergent.
3. Change the cloth to wipe the bubble until the bubble is clean.
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