Updated:08/11/2020

These are the most viewed FAQs, ranked by popularity.

1. 1.How do I adjust the sensitivity of the operation keys?
2. 2.When the thread became tangled under the bobbin winder seat
3. 3.How to use the Multi-purpose Screwdriver. [ Position “3” ]
4. 4.How to use the Multi-purpose Screwdriver.
5. 5.How do I wind the bobbin?