View here the free Etna VV549WIT manual. Have you read the manual but does it answer your question? Then ask your question on this page to other Etna VV549WIT owners.
Ask the question you have about the Etna VV549WIT here simply to other product owners.
Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Etna VV549WIT owners to provide you with a good answer.