9. Care and Cleaning
To guarantee optimum performance as well as a long service life of the product, follow the tips below.
9.1 Product Care
Do not pierce or scrape the product.
Keep the product away from substances that can corrode the circuitry.
9.2 Product Cleaning
Clean up the dust and fine particles on the product surface with a clean and dry lint-free cloth or a brush regularly.
Use neutral cleanser and a non-woven fabric with neutral cleanser to clean the keys, knobs, display, and connectors
after long-time use. Do not use chemical preparations such as stain removers, alcohol, sprays or oil preparations,
so as to avoid surface case damage.
Make sure the product is completely dry before use.