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Hello! I'm your chat assistant and I've reviewed the SIRUBA Electronic Control Parameter Manual for BT430Q, BT438Q, BT530Q, and BT630Q sewing machines. I understand the document covers aspects like machine operation, pattern management, parameter settings, and troubleshooting. I am ready to assist you with any questions you have about using and configuring these sewing machines.
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What type of motor does this sewing machine use?
Can the sewing machine software be updated?
What are the available pattern operation modes?
How many patterns can be registered?
Can I adjust the sewing speed?